Multi-funtional duct sensor

Multi-functional duct sensor for monitoring and control of heating, ventilation and air-conditioning systems

PREMASGARD® 814x-Modbus

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

Satisfied customers drive our business

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Good room climate is measurable!

Active and Modbus capable room sensors for temperature, humidity and CO2 now also for in-wall installation!

AERASGARD® FSCO2

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KFTF-20-I VAQ

HYGRASGARD® KFTF-20-I VAQ

Item No. 2003-4161-2100-001

Calibratable duct humidity and temperature sensor HYGRASGARD® KFTF - 20 (± 1.8 %) with plastic sinter filter (optional metal sinter filter), housing made from impact-resistant plastic, optionally with/ without display, with cable fitting or bushing for M12 connector according to DIN EN 61076-2-101.

Calibratable humidity and temperature sensor HYGRASGARD® KFTF - 20-VA (± 1.8 %) with metal sinter filter, rugged housing, stainless steel V4A, optionally with/ without display, with cable fitting or bushing for M12 connector according to DIN EN 61076-2-101.

It measures the relative humidity and/ or the temperature of the air and converts the measurand into a standard signal of 4...20 mA . It has four switchable temperature ranges and is applied in non-aggressive dust-free atmospheres in refrigeration, air conditioning, ventilation and clean room technology. Relative humidity (in % r. H.) is the quotient of water vapour partial pressure and the saturation vapour pressure at the respective gas temperature. These measuring transducers are designed for exact detection of humidity. A digital long-term stable sensor is used as measuring element for humidity measurement. Fine adjustment by the user is possible.

558,67 € 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
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)
Deviation of humidity typical ± 1.8 % r. H. (10…90 % r. H. ); at + 25 °C, otherwise ± 2,0 % r. H.
Output, humidity 4...20 mA
Measuring range, temperature multi-range switching
–35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C
(output corresponding to 4...20 mA)
Temperature deviation typically ± 0.2 K at +25 °C
Output, temperature 4...20 mA
Sensor protection metal sinter filter, Ø 16 mm, L = 32 mm, exchangeable,
stainless steel V4A (1.4404)
Ambient temperature storage –35...+85 °C;
operation – 30...+75 °C, non-precipitating
Process connection by screws via the mounting fixture on the housing
Protective tube made from stainless steel V2A (1.4301), Ø 16 mm, NL = 197 mm
Electrical connection 2-, 3- or 4-wire connection
0.14 -1.5 mm ² via terminal screws on circuit board
Cable connection cable fitting, stainless steel V2A (1.4305)
(M 20 x 1.5; with strain relief, exchangeable,
inner diameter 6 - 12 mm)
Housing stainless steel V4A (1.4571),
with non-distortion cover bolting,
impact-resistant, high EMI shielding,
corrosion, temperature, UV and weathering resistant
Housing dimensions 143 x 97 x 61 mm (Tyr 2E)
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 67 (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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