Extech Instruments 401021 (Fc) Manual

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2 Model 401020 and 401021-EN v2.0 8/13

1.INTRODUCTION

ThankyouforselectingtheExtechLightMeterAdapterwithselectablerangeandLux/Footcandle

operation.Thisprofessionaldevice,withpropercare,willprovideyearsofsafereliableservice.

2.FEATURES

 ConnectstostandardDMMfordisplayingreadings

 MeasuresTungsten,Fluorescent,Sodium,Mercury,andDaylight

 Selectablerangeandunitofmeasure

 StatusLEDforPowerandLowBattery

 Batteryoperated

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

F to 122

F (0C to 50

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

0 to 2000 Lux 0.1mV per 1 Lux 0 to 200 Fc 1mV per 1 Fc

2000 to 20,000 Lux 0.1mV per 10 Lux 200 to 2000 Fc 0.1mV per 1 Fc

20k to 50k Lux 0.1 mV per 100 Lux 2000 to 5000 Fc 0.1mV per 10 Fc