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REED R8120 Lux Light Meter with Detachable Sensor, 20,000 Lux

Model: R8120

REED R8120 Lux Light Meter with Detachable Sensor, 20,000 Lux-

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Digital dual filter light meter designed to measure a wide range of lighting types.

REED R8120 Offers

This light meter measures up to 20,000 lux and has a large 4-digit LCD display. The R8120 features a tripod screw mount and tethered sensor allowing for flexible operation in the field.


  • Easy to use, intuitive design
  • Large, 4-digit LCD display
  • Data hold function
  • Zero adjustment screw
  • Tripod mountable
  • Kick stand
  • Over range and low battery indicators

REED R8120 Specifications

Measuring Range Lux: 0 to 20,000  
Accuracy ±(5% rdg.+ 4 dgt)
Resolution 1, 10 lux
Response Time <1 sec.
Sensor Type Photo diode & color correction filter
Autoranging No (Manual)
Display 4-digit LCD
Data Hold Yes
Auto Zero Yes
Overrange Indicator Yes
Sampling Rate 2 times/sec.
Kick Stand Yes
Tripod Mountable Yes
Low Battery Indicator Yes
Power Supply 9V battery
Product Certifications CE
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-80%
Dimensions 7.9 x 2.7 x 1.2" (200 x 68 x 30mm)
Weight 9.8 oz (280g)

What's included with the REED R8120

  • Light Meter
  • Detachable Sensor
  • Sensor Cover
  • Battery

Ideal Applications for the REED R8120

  • OSHA work environment compliance
  • Cinematography and photography applications
  • Museum exhibits
  • Lighting system installation
  • Environmental monitoring
  • Interior design projects
  • Industrial applications

Click on a category to view a selection of compatible accessories with the REED R8120 Lux Light Meter with Detachable Sensor, 20,000 Lux.

REED CA-05A Soft Carrying Case, 10 x 4.3 x 1.7"

Model: CA-05A

Features a main instrument compartment and a side pouch for accessories.

REED R1500 Lightweight Tripod with Instrument Adapter

Model: R1500

This lightweight tripod is expandable up to 56" and features an add-on adapter capable of mounting instruments without a tripod mount. The R1500 is a convenient accessory for any data logging instrument setup for long-term continuous monitoring.