Humidity > Humidity controls

Pola HP27 - digital humidistat / humidity control



Downloadable instructions: pdf

General Description

HP27 is a single point digital humidistat for monitoring and control of humidity in one zone.
The electronic humidity sensor is not supplied as standard.

If required, RHP electronic humidity sensor with a range of 10 to 89.9%, can be specified.
Industrial style humidity sensors with a 2 wire, 4-20mA signal can also be used such as the HR03, XH20P, HMD40U, HMD40Y with addition of HALI power supply.
Available as 96 x 96mm front panel mounting or IP54 surface/wall mount, it's large 20mm display makes for easy reading.
An added feature is the automatic recording of maximum and minimum humidity for later viewing.



*Prices exclude vat and delivery

Technical Specification

Power supply                                                               220V +/- 10%
Mains frequency                                                           50Hz +/- 20%
Power consumption                                                      4W
1 x fused SPDT Output Relay:
Resistive contact rating                                                3Amp 220V
Inductive contact rating                                                1 Amp 220V
Measuring range                                                          10.0/99.9% rh
Operating temperature                                                 -10/70 Deg.C
Overall dimension                                                         96x96x63 mm
Overall dimension (IP54 version)                                    98x125x75 mm


HALI power supply for use with some humidity sensors