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2 Model 401020 and 401021-EN v2.0 8/13
1.INTRODUCTION
ThankyouforselectingtheExtechLightMeterAdapterwithselectablerangeandLux/Footcandle
operation.Thisprofessionaldevice,withpropercare,willprovideyearsofsafereliableservice.
2.FEATURES
ConnectstostandardDMMfordisplayingreadings
MeasuresTungsten,Fluorescent,Sodium,Mercury,andDaylight
Selectablerangeandunitofmeasure
StatusLEDforPowerandLowBattery
Batteryoperated
2.SPECIFICATIONS
2.1 Electrical Specifications
Accuracy
± (5% + 1mV)
Sensor Exclusive photo diode & color correction filter
spectrum designed to meet C. I. E.
Operating Temperature/humidity 32
o
F to 122
o
F (0C to 50
o
C) / <90% RH
Power Supply 006P DC 9V battery
Power Consumption Approx. 6 mA DC
Low battery indication Status LED on Front panel of Adaptor
Dimensions / Weight 3.9 x 1.9 x 1" (100 x 50 x 25mm) / 0.33 lbs. (150g)
2.2 Range Specifications
401020
401021
Range
Measurement
Output to DMM Measurement Output to DMM
1
0 to 2000 Lux 0.1mV per 1 Lux 0 to 200 Fc 1mV per 1 Fc
2
2000 to 20,000 Lux 0.1mV per 10 Lux 200 to 2000 Fc 0.1mV per 1 Fc
3
20k to 50k Lux 0.1 mV per 100 Lux 2000 to 5000 Fc 0.1mV per 10 Fc