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

Satisfied customers drive our business

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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

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RPFTF-I

HYGRASGARD® RPFTF-I

Item No. 1201-1172-1000-100
EAN 4 251325 610122

The calibratable pendulum room humidity and temperature sensor HYGRASGARD® RPFF⁄RPFTF, with plastic sinter filter measures the relative humidity and the temperature of the air. It converts the measurands humidity and temperature into a standard signal of 0 - 10 V or 4...20 mA, and is available with/ without an optional display. It is equipped with four switchable temperature ranges. Relative humidity (in % r. H.) is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature. It is used in non-aggressive, dust-free environments, in the refrigeration, air conditioning and clean room technology, hotels, engineering rooms, meeting and conference facilities. The measuring transducers are designed for exact detection of temperature and humidity. A digital, long-term stable sensor is used as a measuring element for humidity and temperature measurement. Fine adjustment by the user is possible. The sensor is suitable for ceiling and duct installation or for integration in equipment.

171,26 € net
Voltage supply 15...36 V DC
depending on working resistance, residual ripple stabilised ± 0.3 V
Power consumption < 1.1 VA/ 24 V DC ; < 2.2 VA/ 24 V AC
Working resistance Ra (ohm) = (Ub -14 V)/ 0.02 A for I variant
Sensors digital humidity sensor
with integrated temperature sensor,

low hysteresis, high long-term stability
Measuring range, humidity 0...100 % r. H.
(output corresponding to 4...20 mA)
Operating range, humidity 0...95 % r. H. (without dew formation)
Deviation of humidity typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 %
Output, humidity 4...20 mA
Measuring range, temperature multi-range switching
with 4 switchable measuring ranges

–35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C
(output corresponding to 0 -10 V or 4...20 mA)
Operating range, temperature –35...+80 °C
Temperature deviation typically ± 0.2 K at +25 °C
Output, temperature 4...20 mA
Sensor protection plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable
(optional metal sinter filter, Ø 16 mm, L = 32 mm)
Ambient temperature storage –5...+60 °C
operation –5...+60 °C
Protective tube stainless steelV2A (1.4301), Ø = 16 mm, L = 142 mm
Electrical connection 2-, 3- or 4-wire connection
0.14 -1.5 mm ² via terminal screws on circuit board
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 dimensions 72 x 64 x 37,8 mm (Tyr 1)
Cable gland M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
Connection cable PVC, LiYY, 6 x 0.14 mm2,
KL = approx. 2 m (other lengths optional)
Long-term stability ± 1 %/ year
Protection class III (according to EN 60 730)
Protection type IP 65 (according to EN 60 529)
Standards CE conformity,
according to EMC directive 2014/ 30/ EU,
according to EN 61326-1, according to EN 61326-2-3

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