Specialists in pressure

Multi-range measuring transducers for pressure, differential pressure and volume flow

PREMASGARD 211x / 212x

Efficient, convenient and network-enabled

Elegant appearance, touch-operated interface, large display, and Modbus-compatible

RYMaskon

Multi-funtional duct sensor

For humidity, temperature, pressure, differential pressure and volume flow for monitoring and controlling heating, ventilation and air-conditioning systems

PREMASGARD® 814x-Modbus

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Electronic frost protection monitor

2-phase thermostat with continuous and switching output for reliable prevention of frost damages and freezing

THERMASREG® FS-20

Für jede Anwendung die richtige Lösung [Translate]

TW-W EXTERN DISPLAY

HYGRASREG® TW-W EXTERN DISPLAY

Item No. 1202-1015-0221-030
EAN 4 251325 616469

The dew point control switch HYGRASREG® TW is installed on cooling or cold-water piping, or on cooled surfaces. It reliably detects formation of condensation by means of its humidity and temperature sensor (no conductivity measurement) and thanks to its patented measuring method, the pro-dynamic cross convention (Patent No. DE 10 2012 015 726.6), an exact measurement result, with/ without optional display.

Dew point temperature is that temperature at which air reaches the state of saturation and water vapour starts to condensate. Facilitated by the measuring range of 0...100 % relative humidity of the TW-U and by the adjustable threshold value of 75...100 % relative humidity of the TW-W, it is possible for example to operate cooling ceilings so that the switching output of the dew point monitor, the DDC, is activated and then triggers a heater or other control elements thereby preventing the formation of dew before dew builds up on pipes or cooling ceilings of the property to be monitored.

179,72 € net
Power consumption < 1.1 VA/ 24 V DC ; < 2.2 VA/ 24 V AC
Sensors digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
Output signal potential-free changeover contact (24 V), 1 A ohmic load
Sensor protection membrane filter
Measuring range formation of dew is detected at
75...100 % r.H. on the TW-W, switching
(switchpoint adjustable by potentiometer,
factory setting 75 % r.H.)
Electrical connection 0.14 - 1.5 mm² via terminal screws
Housing plastic, UV-stabilised,
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016),
housing cover for display is transparent !
Housing dimensions 72 x 64 x 43.3 mm (Tyr 1 with Display)
Cable gland M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
Installation TW with strap for direct mounting on pipes
or for direct mounting on flat surfaces
(e.g. walls, ceilings)

TW - external with detached sensor head
(cable length KL = 1.5 m) for mounting on pipes

Protection class III (according to EN 60 730)
Protection type IP 65 (according to EN 60 529)
Standards CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
Function The relay output is triggered (contact 13 -11 closed)
if the pre-set switchpoint (factory setting 75 % r.H.)
is not reached and opens (contact 12 -11 closed)
in the event of an error (power failure, condensation).

LED short pulses =
relay active → switchpoint not reached
ACTUAL humidity < pre-set switchpoint (no condensation)

LED long pulses =
relay inactive → switchpoint exceeded
ACTUAL humidity > pre-set switchpoint (condensation)

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