This instrument is a portable and easy to use compact digital lightmeter. It has been designed for simple one hand operation, and provides measurements in both lux and fc units. For use in laboratories, environmental studies and office environments. The kit includes digital lightmeter, 9V battery and full instructions.

  • Portable and easy to use
  • Accurate photodiode sensor
  • Quick response light sensor
  • Peak and hold function
  • Backlight
  • CE approved


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Description

Code

RoHS

Datasheets

1+

3+

10+

Manufacturer Part #: 331

Digital Light Level Meter 331

85-2436ROHS ExemptTechnical Datasheet£45.36£42.91£39.23

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Technical Specification

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Display31/2 digit LCD with max. reading of 1999
Overrange(OL) is displayed
Low battery indicationBattery sign is displayed
Measurement rate2.5 times per second, nominal
Operating environment0°C to 50°C (32°F to 122°F at <70% relative humidity
Storage temperature–20°C to 60°C (–4°F to 140°F), 0 to 80% R.H. (battery removed)
AccuracyAt 23°C ±5°C (73°F to ±9°F) <70% relative humidity
BatteryStandard 9V (supplied)
Battery life200 hours typical with carbon zinc battery
Dimensions190mm(H) x 65.5mm(W) x 35mm(D)
Weight210g including battery
Photometric formulas10.764-footcandles (fc) = lux (lumens/meter²)
0.0929-lux = footcandles (lumens/foot²)
Range20 lux, 200 lux, 2000 lux, 20,000 lux
20fc, 200fc, 2000fc, 20,000fc
Resolution0.01 lux, 0.01fc
SensorSilicon photodiode
Total accuracy illuminant A (2856K)±3% rdg ±10 digits


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