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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KFTF MODBUS

HYGRASGARD® KFTF MODBUS

Item No. 1201-3216-1000-029
EAN 4 251325 610603

Quality product for HVAC sector, accuracy ± 1.8 % or ± 2 %

Calibratable duct humidity and temperature sensors HYGRASGARD® KFTF - Modbus (± 3 %) or KFTF - 20 - Modbus (± 2 %), with plastic sinter filter (optional metal sinter filter), with Modbus connection, terminal box housing made of impact-resistant plastic, housing cover with quick-locking screws, with/ without optional display.

The universal duct sensor is used to detect various parameters in humidity measurement. The relative humidity and temperature of the ambient air are measured. These measurands are used to calculate various parameters internally. The Modbus can be used to retrieve the following parameters: relative humidity [% r. H.], absolute humidity [g/ m³], mixture ratio [g/ kg], dew-point temperature [°C], enthalpy [kJ/ kg] (ignoring atmospheric air pressure) and ambient temperature [°C].

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 24 V AC (± 20 %) and
15…36 V DC
Power consumption < 1,0 VA/ 24 V DC
< 2,2 VA/ 24 V AC
Deviation of humidity typical ± 2.0 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3.0 % r. H.
Temperature deviation typically ± 0.6 K at +25 °C
Sensor digital humidity sensor
with integrated temperature sensor,

low hysteresis, high long-term stability
Sensor protection plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable
(optional metal sinter filter, Ø 16 mm, L = 32 mm)
Measuring range 0...100 % r.H. (humidity)
– 35...+80 °C (temperature)
Zero point offset ± 10 % r.H. (humidity)
± 10 °C (temperature)
Ambient temperature –30...+70 °C
Medium clean air and
non-aggressive, non-combustible gases
Bus protocol Modbus (RTU mode),
address range 0...247 selectable
Signal filtering 4 s / 32 s
Process connection by mounting flange, plastic
(included in the scope of delivery)
Protective tube PLEUROFORMTM, material polyamide (PA6), with torsion
protection, Ø 20 mm, NL = 235 mm, vmax = 30 m/s (air)
(on request, optional stainless steel V2A (1.4301), Ø 16 mm)
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 2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 6 mm
Long-term stability ± 1 %/ year
Permissible air humidity < 95 % r. H., non-precipitating air
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 61 326
Type Item No. Price
KA-2 1906-1200-0000-100 0,00 €
SF-M Filter, stainless steel Stainless steel metal silencer, 40mm 7000-0050-2200-100 35,70 €

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