{"id":14004,"date":"2023-09-04T01:34:02","date_gmt":"2023-09-04T01:34:02","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=14004"},"modified":"2023-12-26T08:42:56","modified_gmt":"2023-12-26T08:42:56","slug":"what-is-tm-21","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/it\/glossario\/cose-il-tm-21","title":{"rendered":"Che cos'\u00e8 il TM-21"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-tm-21\">Che cos'\u00e8 il TM-21<\/h2><p>TM-21 \u00e8 un termine utilizzato nel settore dell'illuminazione per indicare le linee guida \"Lumen degradation lifetime estimation method for LED light sources\" pubblicate dalla Illuminating Engineering Society (IES). Queste linee guida forniscono un metodo raccomandato per proiettare il deprezzamento dei lumen di pacchetti, array o moduli LED sulla base dei dati raccolti in base ai test LM-80.<\/p><p>Il rapporto di prova TM-21 viene utilizzato per stimare la vita utile di un prodotto di illuminazione a LED a temperature di esercizio realistiche. Utilizza i dati ottenuti dai test LM-80 per proiettare il mantenimento dei lumen di una sorgente LED. Queste informazioni di proiezione vengono poi utilizzate per stimare il degrado previsto dei lumen della sorgente luminosa all'interno di un sistema o di un apparecchio completo.<\/p><div class=\"insert_product_cards_outer_wrapper\"><h3>Forse siete interessati a<\/h3><div class=\"swiper insert_product_cards_wrapper\"><div class=\"swiper-wrapper\"><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dry\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dry\">RZ037-DRY Ceiling Mount PIR Occupancy Sensor with Dry Contact Relay<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted PIR occupancy sensor with dry-contact relay output<\/li><li>12\/24VDC or 12\/24VAC low-voltage supply<\/li><li>COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dry\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-12v-24v\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 recessed ceiling microwave motion sensor product image\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-12v-24v\">RZ048 12V\/24V 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC recessed ceiling-mounted microwave motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>10A max work current with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-12v-24v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-10a\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 recessed ceiling microwave motion sensor product image\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-10a\">RZ048-10A 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load recessed ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-10a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-5a\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 recessed ceiling microwave motion sensor product image\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-5a\">RZ048-5A 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Recessed ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz048-5a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-220v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-220v\">RZ037-DIM 220V Ceiling Mount PIR Occupancy Sensor Dimmer<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power<\/li><li>3A maximum working current with 660W rated load<\/li><li>LUX button controls light-sensor ON\/OFF and user-set dimming brightness<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-220v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-110v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-110v\">RZ037-DIM 110V Ceiling Mount PIR Occupancy Sensor Dimmer<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power<\/li><li>3A maximum working current with 330W rated load<\/li><li>LUX button controls light-sensor ON\/OFF and user-set dimming brightness<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-dim-110v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-12v-24v\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 ceiling mounted microwave motion sensor switch\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-12v-24v\">RZ047 12V\/24V 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC ceiling-mounted microwave motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>10A max work current with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-12v-24v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-10a\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 ceiling mounted microwave motion sensor switch\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-10a\">RZ047-10A 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-10a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-5a\"><div class = \"insert_product_card_image\"><img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 ceiling mounted microwave motion sensor switch\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-5a\">RZ047-5A 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz047-5a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-12v-24v\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 recessed ceiling PIR motion sensor top and side view\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side.png 1600w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-300x300.png 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1024x1024.png 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-150x150.png 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-768x768.png 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1536x1536.png 1536w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-12x12.png 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1200x1200.png 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-100x100.png 100w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-12v-24v\">RZ038 12V\/24V 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC recessed ceiling mount PIR motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>Max work current 10A with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-12v-24v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-10a\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 recessed ceiling PIR motion sensor front view\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png 1600w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-300x300.png 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1024x1024.png 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-150x150.png 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-768x768.png 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1536x1536.png 1536w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-12x12.png 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1200x1200.png 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-10a\">RZ038-10A 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load recessed ceiling mount PIR motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>360-degree detection with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-10a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-5a\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 recessed ceiling PIR motion sensor front view\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png 1600w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-300x300.png 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1024x1024.png 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-150x150.png 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-768x768.png 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1536x1536.png 1536w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-12x12.png 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1200x1200.png 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-5a\">RZ038-5A 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Recessed ceiling mount PIR motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>360-degree detection with adjustable time delay, Lux threshold, and sensitivity<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz038-5a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz040\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ040 wireless switch and receiver kit\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-100x100.jpg 100w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz040\">RZ040 Wireless Switch and Receiver Kit<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Wireless switch and receiver kit for indoor ON\/OFF lighting control<\/li><li>100-230VAC, 50\/60Hz receiver with 5A rated current<\/li><li>CR2032-powered wireless switch with 2.4GHz communication<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz040\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-12v-24v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-12v-24v\">Sensore di movimento PIR da incasso RZ037 12V\/24V DC<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Occupazione (Auto-ON\/Auto-OFF)<\/li><li>12\u201324V DC (10\u201330VDC), fino a 10A<\/li><li>Copertura a 360\u00b0, diametro 8\u201312 m<\/li><li>Ritardo temporale 15 s\u201330 min<\/li><li>Sensore di luce Spento\/15\/25\/35 Lux<\/li><li>Sensibilit\u00e0 Alta\/Bassa<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-12v-24v\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-10a\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-10a\">Sensore di movimento di occupazione a soffitto con alimentazione lineare (RZ037-10A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Modalit\u00e0 di occupazione Auto-ON\/Auto-OFF<\/li><li>100\u2013265V CA, 10A (neutro richiesto)<\/li><li>Copertura di 360\u00b0; diametro di rilevamento 8\u201312 m<\/li><li>Ritardo temporale 15 s\u201330 min; Lux SPENTO\/15\/25\/35; Sensibilit\u00e0 Alta\/Bassa<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-10a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-5a\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-5a\">Sensore di movimento di presenza a montaggio a soffitto a tensione di linea (RZ037-5A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Modalit\u00e0 di occupazione Auto-ON\/Auto-OFF<\/li><li>100\u2013265V AC, 5A (fase neutra richiesta)<\/li><li>Copertura di 360\u00b0; diametro di rilevamento 8\u201312 m<\/li><li>Ritardo temporale 15 s\u201330 min; Lux SPENTO\/15\/25\/35; Sensibilit\u00e0 Alta\/Bassa<\/li><\/ul>\r\n <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz037-5a\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz039\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039.jpg 1600w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1536x1536.jpg 1536w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1200x1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-100x100.jpg 100w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz039\">Kit sensore di movimento wireless<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>100V-230VAC<\/li><li>Distanza di trasmissione: fino a 20m<\/li><li>Sensore di movimento wireless<\/li><li>Controllo cablato<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz039\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz050-dp\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp.jpg 1600w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-300x300.jpg 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1024x1024.jpg 1024w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-150x150.jpg 150w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-768x768.jpg 768w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1536x1536.jpg 1536w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-12x12.jpg 12w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1200x1200.jpg 1200w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-100x100.jpg 100w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz050-dp\">Sensore di movimento per condizionatore d'aria a doppia alimentazione RZ050-DP<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Voltaggio: 2 batterie AAA \/ 5 V CC (Micro USB)<\/li><li>Modalit\u00e0 giorno\/notte<\/li><li>Ritardo: 15min, 30min, 1h (default), 2h<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/rz050-dp\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz050-dp\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-eu\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"491\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor.png 605w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor-300x243.png 300w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor-15x12.png 15w\" sizes=\"(max-width: 605px) 100vw, 605px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-eu\">Adattatore di alimentazione USB EU<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Adattatore di alimentazione con spina EU<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-eu\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/usb-power-adapter\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-uk\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"632\" src=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor.png 605w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-287x300.png 287w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-11x12.png 11w, https:\/\/www.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-300x313.png 300w\" sizes=\"(max-width: 605px) 100vw, 605px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-uk\">Adattatore di alimentazione USB UK<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Adattatore di alimentazione con spina UK<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/www.rayzeek.com\/it\/prodotti\/adattatore-di-alimentazione-usb-uk\">Dettagli del prodotto <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/usb-power-adapter\">Acquista ora <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><p>Lo sviluppo del TM-21 ha richiesto un processo di tre anni da parte del gruppo di lavoro (WG) TM-21 all'interno dell'IES. Il gruppo di lavoro ha esplorato varie opzioni e ha valutato modelli matematici e ingegneristici per fornire una misura di ammortamento efficace e un metodo di proiezione utile. Dall'analisi \u00e8 emerso che le tendenze di deprezzamento dei LED cambiano spesso dopo 6.000 ore e che non esiste un approccio affidabile e coerente per prevedere tali tendenze a partire da 6.000 ore di dati. Anche un flusso di dati di 10.000 ore \u00e8 spesso insufficiente per fornire una sicurezza statistica nell'estrapolazione di una curva di decadimento a numeri elevati, come 35.000 ore.<\/p><div class=\"insert_inquiry_outer_wrapper\"><h3>Cercate soluzioni per il risparmio energetico attivate dal movimento?<\/h3><p>Contattateci per avere sensori di movimento PIR completi, prodotti per il risparmio energetico attivati dal movimento, interruttori per sensori di movimento e soluzioni commerciali Occupancy\/Vacancy.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Inviare un'e-mail<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/contatto\"><p>Modulo di contatto<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Conversare in linea<\/p><\/a><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>TM-21 \u00e8 un termine utilizzato nel settore dell'illuminazione per indicare le linee guida \"Lumen degradation lifetime estimation method for LED light sources\" pubblicate dalla Illuminating Engineering Society (IES).<\/p>","protected":false},"author":4,"featured_media":12862,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"lumen maintenance\", \"idxall\": 0, \"keywordtitlesimi\": 0.9395859241485596, \"keywordslugsimi\": 0.9395859241485596, \"paratitlesimi\": 0.6738469004631042, \"paraslugsimi\": 0.6738469004631042, \"slug\": \"what-is-lumen-maintenance\", \"title\": \"What is Lumen Maintenance\", \"id\": 13579}, {\"keyword\": \"light source\", \"idxall\": 0, \"keywordtitlesimi\": 0.8968895673751831, \"keywordslugsimi\": 0.8968895673751831, \"paratitlesimi\": 0.5800267457962036, \"paraslugsimi\": 0.5800267457962036, \"slug\": \"what-is-light-source\", \"title\": \"What is Light Source\", \"id\": 13922}, {\"keyword\": \"IES\", \"idxall\": 0, \"keywordtitlesimi\": 0.864478588104248, \"keywordslugsimi\": 0.8632986545562744, \"paratitlesimi\": 0.5109081864356995, \"paraslugsimi\": 0.4953732490539551, \"slug\": \"what-is-ies-files\", \"title\": \"What are IES Files\", \"id\": 13891}, {\"keyword\": \"IES\", \"idxall\": 1, \"keywordtitlesimi\": 0.864478588104248, \"keywordslugsimi\": 0.8632986545562744, \"paratitlesimi\": 0.48024317622184753, \"paraslugsimi\": 0.45951589941978455, \"slug\": \"what-is-ies-files\", \"title\": \"What are IES Files\", \"id\": 13891}, {\"keyword\": \"LED packages\", \"idxall\": 0, \"keywordtitlesimi\": 0.8601404428482056, \"keywordslugsimi\": 0.8272783756256104, \"paratitlesimi\": 0.5795471668243408, \"paraslugsimi\": 0.5676557421684265, 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lumen depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.7575985193252563, \"keywordslugsimi\": 0.7777462005615234, \"paratitlesimi\": 0.6681432723999023, \"paraslugsimi\": 0.6801021099090576, \"slug\": \"what-is-lamp-lumen-depreciation-lld\", \"title\": \"What is Lamp Lumen Depreciation (LLD)\", \"id\": 14228}, {\"keyword\": \"LED lumen depreciation trends\", \"idxall\": 0, \"keywordtitlesimi\": 0.7764742970466614, \"keywordslugsimi\": 0.7764742970466614, \"paratitlesimi\": 0.7275819778442383, \"paraslugsimi\": 0.7275819778442383, \"slug\": \"what-is-lumen-depreciation\", \"title\": \"What is Lumen Depreciation\", \"id\": 14058}, {\"keyword\": \"LED packages\", \"idxall\": 0, \"keywordtitlesimi\": 0.7673704624176025, \"keywordslugsimi\": 0.7673704624176025, \"paratitlesimi\": 0.6061202883720398, \"paraslugsimi\": 0.6061202883720398, \"slug\": \"what-is-led-module\", \"title\": \"What is LED Module\", \"id\": 14237}, {\"keyword\": \"LED lumen depreciation trends\", \"idxall\": 0, 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0.7534468173980713, \"paratitlesimi\": 0.7200314998626709, \"paraslugsimi\": 0.6277210712432861, \"slug\": \"what-are-lumens\", \"title\": \"What are Lumens (lm)\", \"id\": 13053}, {\"keyword\": \"light source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7531707286834717, \"keywordslugsimi\": 0.7531707286834717, \"paratitlesimi\": 0.5349830389022827, \"paraslugsimi\": 0.5349830389022827, \"slug\": \"what-is-light\", \"title\": \"What is Light\", \"id\": 14080}, {\"keyword\": \"light source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7528084516525269, \"keywordslugsimi\": 0.7528084516525269, \"paratitlesimi\": 0.5392281413078308, \"paraslugsimi\": 0.5392281413078308, \"slug\": \"what-is-visible-light\", \"title\": \"What is Visible Light\", \"id\": 14198}, {\"keyword\": \"LED source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7509328126907349, \"keywordslugsimi\": 0.7509328126907349, \"paratitlesimi\": 0.5886820554733276, \"paraslugsimi\": 0.5886820554733276, \"slug\": \"what-is-led-driver\", \"title\": \"What is LED Driver\", \"id\": 14182}, {\"keyword\": \"LED packages\", \"idxall\": 0, \"keywordtitlesimi\": 0.7508479952812195, \"keywordslugsimi\": 0.7508479952812195, \"paratitlesimi\": 0.5574061870574951, \"paraslugsimi\": 0.5574061870574951, \"slug\": \"what-is-discrete-led-module\", \"title\": \"What is Discrete LED Module\", \"id\": 13284}, {\"keyword\": \"light source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7508388161659241, \"keywordslugsimi\": 0.7508388161659241, \"paratitlesimi\": 0.5683965682983398, \"paraslugsimi\": 0.5683965682983398, \"slug\": \"what-is-can-light\", \"title\": \"What is Can Light\", \"id\": 12929}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"TM-21","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-14004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is TM-21 - Rayzeek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rayzeek.com\/it\/glossario\/cose-il-tm-21\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is TM-21 - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"TM-21 is a term used in the lighting industry to refer to the &#8220;Lumen degradation lifetime estimation method for LED light sources&#8221; guidelines published by the Illuminating Engineering Society (IES).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rayzeek.com\/it\/glossario\/cose-il-tm-21\" \/>\n<meta property=\"og:site_name\" content=\"Rayzeek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-04T01:34:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-26T08:42:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta 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