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KLH 420 is a two-wire, relative humidity (% rH) transmitter, made for indoor measuring. Mounting can be made on a wall surface or on a standard flush mounting box. Available is also a model KLH 420-N with a display.
Technical data
Product number: 1132280 / 1132281
Range: 0
100 % rH; for continuous use 5...95 % rH
Mounting: with screws on wall or on junction box (hole distance 60 mm)
Housing: ABS plastics, IP 20
Accuracy: +/- 3 % rH, (25 °C)
Supply: operating voltage 12...35 Vdc
Output: 2-wire transmitter, 4...20 mA < 500 ohm (24 Vdc
Product number: 1132280 / 1132281
Range: 0 100 % rH; for continuous use 5...95 % rH
Mounting: with screws on wall or on junction box (hole distance 60 mm)
Housing: ABS plastics, IP 20
Accuracy: +/- 3 % rH, (25 °C)
Supply: operating voltage 12...35 Vdc
Output: 2-wire transmitter, 4...20 mA < 500 ohm (24 Vdc
Output: 0…10 V < 2 mA