BLOG

What is CIE

Horace He

Last Updated: December 26, 2023

What is CIE

CIE, also known as the International Commission on Illumination (CIE), is an organization dedicated to worldwide cooperation and the exchange of information in the field of light and lighting. Established in 1900 as the International Commission on Photometry, it was restructured as the CIE in 1913 and has since become the leading authority on light and lighting.

The CIE’s primary objectives include facilitating international discussions on matters related to light and lighting, developing standards and procedures for metrology in these fields, providing guidance on the application of principles and procedures for international and national standards, and publishing reports and publications on various aspects of light and lighting.

Get Inspired by Rayzeek Motion Sensor Portfolios.

Doesn't find what you want? Don't worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.

The scope of the CIE’s work encompasses a wide range of subjects, including vision, photometry, colorimetry, and the production and control of light and radiation. It covers both natural and artificial light sources and their applications in indoor and outdoor environments.

The CIE collaborates with other international organizations involved in science, technology, standardization, and art in the fields of light and lighting. It also publishes various publications that serve as important resources for researchers, professionals, and practitioners in the lighting industry.

Maybe You Are Interested In

  • 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
RZ048 recessed ceiling microwave motion sensor product image
  • 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
RZ048 recessed ceiling microwave motion sensor product image
  • 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
RZ048 recessed ceiling microwave motion sensor product image
  • 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
RZ047 ceiling mounted microwave motion sensor switch
  • 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
RZ047 ceiling mounted microwave motion sensor switch
  • 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
RZ047 ceiling mounted microwave motion sensor switch
  • 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
RZ038 recessed ceiling PIR motion sensor top and side view
  • 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
RZ038 recessed ceiling PIR motion sensor front view
  • 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
RZ038 recessed ceiling PIR motion sensor front view
  • 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
RZ040 wireless switch and receiver kit
  • 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
  • Occupancy (Auto-ON/Auto-OFF)
  • 12–24V DC (10–30VDC), up to 10A
  • 360° coverage, 8–12 m diameter
  • Time delay 15 s–30 min
  • Light sensor Off/15/25/35 Lux
  • High/Low sensitivity
  • Auto-ON/Auto-OFF occupancy mode
  • 100–265V AC, 10A (neutral required)
  • 360° coverage; 8–12 m detection diameter
  • Time delay 15 s–30 min; Lux OFF/15/25/35; Sensitivity High/Low
  • Auto-ON/Auto-OFF occupancy mode
  • 100–265V AC, 5A (neutral required)
  • 360° coverage; 8–12 m detection diameter
  • Time delay 15 s–30 min; Lux OFF/15/25/35; Sensitivity High/Low
  • 100V-230VAC
  • Transmission Distance: up to 20m
  • Wireless motion sensor
  • Hardwired control
  • Voltage: 2x AAA Batteries / 5V DC (Micro USB)
  • Day/Night Mode
  • Time delay: 15min, 30min, 1h(default), 2h

Leave a Comment

English