什么是频率
在照明领域，频率是光波的振荡速率或每秒周期。它是一个基本特征，用于描述不同类型的光。 電磁頻譜.频率以赫兹（Hz）为单位，表示在给定时间段内发生的波的重复次数。频率和波长之间的关系是相反的，即波长越小，频率越高，而波长越大，频率越低。这种关系对于理解光的行为和特性至关重要。
也许您感兴趣的是
- Ceiling-mounted PIR occupancy sensor with dry-contact relay output
- 12/24VDC or 12/24VAC low-voltage supply
- COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs
- Low-voltage DC recessed ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power
- 3A maximum working current with 660W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power
- 3A maximum working current with 330W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Low-voltage DC ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Low-voltage DC recessed ceiling mount PIR motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- Max work current 10A with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Wireless switch and receiver kit for indoor ON/OFF lighting control
- 100-230VAC, 50/60Hz receiver with 5A rated current
- CR2032-powered wireless switch with 2.4GHz communication
- 占用（自動開/自動關）
- 12–24V 直流（10–30VDC），最大 10A
- 360° 覆蓋範圍，直徑 8–12 米
- 延遲時間 15 秒–30 分鐘
- 光感測器關/15/25/35 Lux
- 高/低感度
- 自动开启/自动关闭占用模式
- 100–265V交流，10A（需要中性線）
- 360° 覆蓋範圍；8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘；Lux OFF/15/25/35；感度 高/低
- 自动开启/自动关闭占用模式
- 100–265V AC，5A（需要中性線）
- 360° 覆蓋範圍；8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘；Lux OFF/15/25/35；感度 高/低
- 100V-230VAC
- 傳輸距離：最多20米
- 無線運動感應器
- 有線控制
- 電壓：2x AAA 電池 / 5V DC (Micro USB)
- 日/夜模式
- 时间延迟：15分钟、30分钟、1小时（默认）、2小时
- 歐盟插頭電源轉接器
- 英國插頭電源轉接器
频率与光的能量直接相关。频率越高，能量越高；频率越低，能量越低。这种关系与波长较短（频率较高）的光具有较高能量的理解相一致，例如 紫外线 或 X 射线，而波长较长（频率较低）的光则能量较低，如红外线或无线电波。
