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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VFTF-U

HYGRASGARD® VFTF-U

Item No. 1201-6121-1000-100
EAN 4 251325 616643

The calibratable humidity and temperature sensor HYGRASGARD® VFF/ VFTF measures the relative humidity and temperature of 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. 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 showcase sensor is used in non-aggressive, dust-free environments and is specifically designed for installation in ceilings, walls, inside showcases or display cabinets in museums, galleries, cinemas or lecture halls or laboratories. The measuring element is contained inside a stainless steel probe and its low height (approx. 2.5 mm) makes it barely noticeable.

393,50 € net
Voltage supply 24 V AC (± 20 %) and
15…36 V DC
Power consumption < 1.1 VA/ 24 V DC ; < 2.2 VA/ 24 V AC
Load resistance RL > 5 kOhm
Sensors digital humidity sensor
with integrated temperature sensor,

low hysteresis, high long-term stability
Measuring range, humidity 0...100 % r. H.
Operating range, humidity 0...95 % r. H. (without dew formation)
Deviation of humidity typical ± 2.0 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3.0 % r. H.
Output, humidity 0 - 10 V
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 0...+50 °C
Temperature deviation typically ± 0.2 K at +25 °C
Output, temperature 0 - 10 V
Sensor protection probe made of stainless steel, V4A (1.4571), pluggable;
sensor head Ø = 17 mm, H = approx. 2.5 mm;
protective sleeve Ø = 10 mm, NL = approx. 25 mm, M10 x 1.0;
with plastic plug connector Ø = approx. 11 mm,
NL = approx. 25 mm,
Ambient temperature storage –5...+60 °C
operation –5...+60 °C
Connection cable PVC, LiYY, 4 x 0.14 mm²,
KL = approx. 2 m
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, 4 x 0.14 mm²,
KL = approx. 2 m
Long-term stability ± 1 %/ year
Mounting (sensor) cut-out Ø = 11 - 15 mm, IL = approx. 50 mm,
lock nut for fixing is included in the scope of delivery.
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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