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REED R1930 Compact Light Meter

Measuring Ranges Lux: 0 to 199999
Fc: 0 to 18580
Accuracy 0 to 9999 Lux (0 to 929 Fc): ±(4% rdg.+ 8 dgt)
≥10000 Lux (≥1000 Fc): ±(5% rdg.+ 10 dgt)
≥100000 Lux (≥9999 Fc): ±(5% rdg.+ 10 dgt)
0 to 9999 Fc: Fc = Lux/10.76
≥10000 Fc: Fc = Lux/10.76
Resolution Lux: 1, 10, 100
Fc: 1, 10
Sensor Type Silicon photocell
Display 4-digit LCD
Backlit Display Yes
Data Hold Yes
Min Yes
Max Yes
Overange Indicator Yes
Sampling Rate 2 times/second
Auto Shut-Off Yes (after 5 minutes, off)
Low Battery Indicator Yes
Power Supply 3 “AAA” Batteries
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 to 80%
Dimensions 6.3 x 1.9 x 1.1″ (160 x 50 x 28mm)
Weight 4.2oz (118g)


REED R1930 Offers

This compact light meter is capable of taking Lux and Footcandle (Fc) measurements. The R1930 features a backlit LCD display, data hold and min/max functions, low battery indicator and auto shut-off.


  • User selectable Lux/Footcandle measurements
  • Designed for one-handed operation
  • Backlit 4-digit LCD display
  • Max, min and data hold functions
  • Low battery indicator and auto shut off
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