Hagner Photometric Instruments Ltd

Light Meters


 

 

 

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Light Sensors

Model ELV-841

 

The Hagner ELV-841 Light Sensor is designed for continuous, stationary outdoor measurement of illuminance. It consists of a Vλ-filtered and cosine corrected detector and an amplifier with regulated current output (4-20 mA). The case is watertight, fitted with a thermostatocally controlled internal anti-condensation heater. Measuring range is specified with order (e.g. 0 - 1,500 lux).

 

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Model ELV-641-L

 

The Hagner ELV-641-L Luminance Sensor is designed for continuous, stationary indoor measurement of illuminance. It consists of a Vλ-filtered and cosine corrected detector and an amplifier with regulated current output (4-20 mA), built in to a plastic case. Measuring range is specified with order (e.g. 0 - 250 cd/mē).