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Description
Room humidity and temperature sensor or measuring transducer
HYGRASGARD® FSFM/FSFTM
The HYGRASGARD® FSFM / FSFTM room humidity transmitter with in-wall enclosure is used for measuring the relative humidity and temperature of the air. It converts the measured values into a standard signal of 0-10 V.
A digital, long-term stable sensor is used for humidity and temperature measurement. Relative humidity [% r.H.] is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature.
The in-wall measuring transducer is mounted either individually or in combination with light switches, socket outlets, etc. in high-quality panel switch brand programmes, such as preferably from Gira, Berker, Merten, Jung, Siemens or Busch-Jaeger (with in-wall adapters).
A digital, long-term stable sensor is used for humidity and temperature measurement. Relative humidity [% r.H.] is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature.
The in-wall measuring transducer is mounted either individually or in combination with light switches, socket outlets, etc. in high-quality panel switch brand programmes, such as preferably from Gira, Berker, Merten, Jung, Siemens or Busch-Jaeger (with in-wall adapters).
It is used in non-aggressive, dust-free environments, in refrigeration, air conditioning and cleanroom engineering, and in interior spaces, such as living rooms, offices, hotels, etc.
Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 1.1 VA/ 24 V DC ; < 2.2 VA/ 24 V AC
Measuring range, humidity
0...100 % RH
Operating range, humidity
0...95 % RH (without dew formation)
Deviation of humidity
typically ± 3.0 % (20...80 % r. H.) at +25 °C, otherwise ± 5.0 %
Output, humidity
0 - 10 V
Measuring range, temperature
32...+122 °F
Temperature deviation
typically ± 0.8 K at +25 °C
Output, temperature
0 - 10 V
Ambient temperature
storage –35...+85 °C;
operation 0...+50 °C
operation 0...+50 °C
Medium
clean air and
non-aggressive, non-combustible gases
non-aggressive, non-combustible gases
Electrical connection
0.14 - 1.5 mm², using plug terminals
Installation
on in-wall flush box, Ø = 55 mm
Long-term stability
± 1 % per year
Permissible air humidity
max. 90 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Sensor
digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
with integrated temperature sensor,
low hysteresis, high long-term stability
Protection type
IP 20 (according to EN 60 529)
Housing
plastic, colour pure white glossy (similar to RAL 9010)
(other colours are possible on request with colour variants
depending on the respective switch programme)
(other colours are possible on request with colour variants
depending on the respective switch programme)
Standards
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
Manufacturer
GIRA System 55 Standard
(other switch programmes, manufacturers, colours
and prices upon request
(other switch programmes, manufacturers, colours
and prices upon request