401021

INSTRUCTION MANUAL Models 401020 (Lux) and 401021 (Fc) Light Meter Adapters • Connects to standard DMM for display • Measures Tungsten, Fluorescent, Sodium, Mercury, and Daylight • Status LED for power and low battery • Battery operated 1. INTRODUCTION Congratulations on your purchase of Extech’s Light Adapter. This professional device, with proper care, will provide years of safe reliable service. 1 401020 and 401021 Ver. 1.03 11/99 2. SPECIFICATIONS 2.1 Electrical Specifications Accuracy Sensor Operating Temperature/humidity Power Supply Power Consumption Low battery indication Dimensions / Weight 2.2 Range Specifications Range 1 2 3 401020 Measurement Output to DMM 0 to 2000 Lux 0.1mV per 1 Lux 2000 to 20,000 Lux 0.1mV per 10 Lux 20k to 50k Lux 0.1 mV per 100 Lux 401021 Measurement Output to DMM 0 to 200 Fc 1mV per 1 Fc 200 to 2000 Fc 0.1mV per 1 Fc 2000 to 5000 Fc 0.1mV per 10 Fc ± (5% + 1mV) Exclusive photo diode & color correction filter spectrum designed to meet C. I. E. o o o 32 F to 122 F (0C to 50 C) /