Mechanical Room Hygrostats, 1-step HRS 1-series

HRS 1ES with exposed set point.


HRS 1CS with concealed set point.


The mechanical room hygrostat HRS 1-series is designed for the on/off control of humidification and dehumidification equipment, or the initiation of alarms or override controls.

The mechanical room hygrostat HRS 1-series with switching output (with single-pole microswitch as two-position controller with humidity sensor) working without external voltage, with humidity measuring element made of stabilized synthetic gauze, optional with setpoint setter for switchpoint adjustment (external or internal setting) in an elegant enclosure made of plastic, with snap-on lid, base with 4-hole attachment for installation on vertically or horizontally installed in-wall flush boxes, with predetermined breaking point for on-wall cable entry.

The mechanical room hygrostat HRS 1-series is used for controlling and monitoring the relative humidity in office and residential rooms, baths, labs, control cabinets, computer rooms, etc., as minimum or maximum hygrostat. The mechanical room hygrostat HRS 1-series is applied in dust-free, pollutantfree, non-agressive air.

  • Humidifying or dehumidifying in HVAC systems,
    selectable via terminal wiring on pcb
  • Setting range 25 to 95% r.H.
  • Power supply 24 Vac/dc

Download datasheet

Mechanical Room Hygrostats, 1-step HRS 1.pdf


Download CE declaration of conformity

CE declaration of conformity room hygrostats HRS 1-series.pdf


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