EH4 Electronic humidistat0 pages

Electronic humidistat

EH4

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/Lo/Off
control of one unit, On/Off control of two separate unit or
On/Off control of one unit plus remote high/low RH alarm.
Display and diodes: High visibility RH display (15 mm). Neon
lamps indicate relay operation. Display flashes if ‘High RH’ set
point is exceeded.
Sensor: Honeywell fast response capacitive type moisture
sensor. Factory calibrated (accuracy < ±2%RH). Optional:
available for wall or duct mounting.

Option: External display. Display and key
set via a 25 m low voltage cable.

DISPLAY: RJ9 cable low
voltageStandard 25 m.
Optional extension kit,
(200 metres max).

RELAY: 230 Vsupply

EH4 and standard room sensor IP65.
Room sensor: low voltage 3 m. Optional 25 meters
RJ9 extension cable (50 meters maximum)

Option: duct sensor, IP-65