Humidity > Humidity controls

Pola HP35 - 2 stage Humidistat / humidity control for humidification and dehumidification



Downloadable instructions: pdf

General Description

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.

2 relay outputs allow humidification and dehumidification control.
2 thermistor sensors are supplied with a wick for the wet and dry 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.



*Prices exclude vat and delivery

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