The Hagner ELV-841-L Light Sensor is designed for continuous, stationary outdoor measurement of luminance. It consists of a Vλ-filtered detector and an amplifier with regulated current output (4-20 mA). Measuring range is specified with order (e.g. 0-250 cd/m²).


Instrument data for ELV-841-L

Detector: Silicon photodiode, Vλ-filtered detector (in standard version)
Measurement range: Specified with order (e.g. 0 - 250 cd/m²)
Measuring angle: approx 25°(as standard), spectral angles on request
Output signal: 4 - 20 mA DC
External resistance: max 800 ohm
Accuracy: Better than +/- 3%
Power supply: 24 volt AC (min. 12 VA)
Protection rate: IP.66
Dimensions: 100 x 100 x 90 mm (incl. dome but excl. mounting brackets and cable entrance)
Weight: 0.5 kg
Connection: 3 meters long wire with terminal block at the end (longer cables on request)

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