EH4 Controller
- Two step humidistat with fast response sensor
- Two independent volt-free control relays
- Visible “High RH” alarm
- Possible to use also for humidification
Two closing contacts: Two independently programmable relays with adjustable hysteresis. Possible to use for both dehumidification and humidification. Suitable for Hi or Lo On or Off control of one unit, On or Off control of two separate units, or On or Off control of one unit plus remote high or low RH alarm.
Display and diodes: High visibility RH display at 15 mm. Neon lamps indicate relay operation. The display flashes if the High RH set point is exceeded.
Sensor: Honeywell fast response capacitive type moisture sensor. Factory calibrated with accuracy better than ±2 percent RH.
Optional: Available for wall or duct mounting.