Pola HP35 Two stage humidity controller for wet bulb sensors

Two stage humidity controller for wet bulb sensors Panel mount | 96x96mm Large digital display 2x Wet bulb humidity 2x 4(1)A SPDT relay.

General Description

The Pola HP35 is a 2 stage digital humidistat utilising 2 sensors for wet and dry bulb temperature measurement. It then calculates from first principals the actual humidity.

2no. relay outputs allow humidification and dehumidification control.
2no. thermistor sensors are supplied with a wick for the wet (Pola SXPS) and dry (Pola SX) temperature sensing over an operating range of 0/100 % RH.
Available as 96 x 96mm front panel mounting or IP54 surface/wall mount, it's large 20mm display makes for easy reading.
With 0.1% resolution, adjustable hysterisis from 0.2%, the result is a versatile accurate humidistat.

Technical Specification

Power supply 230V +/- 10%
Mains frequency 50Hz +/- 20%
Power consumption 4W
2 x fused SPDT Output Relay:
Resistive contact rating 3 Amp 220V - AC1
Inductive contact rating 1 Amp 220V - AC3
Measuring range 0/100%
Operating temperature -10/70 Deg.C
Overall dimension 96 x 96 x 63 mm
Overall dimension (IP54 version) 98 x 125 x 75 mm