Efficient, convenient and network-enabled

Elegant appearance, touch-operated interface, large display, and Modbus-compatible

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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

All quite relative

Pressure measuring transducer for gaseous and liquid media in cost-efficient Standard version for 0 to 16 bar

PREMASGARD® SHD-SD

VOC in focus

Room and duct sensors for detection of mixed gases in cost-efficient Standard versions

AERASGARD® RLQ-SD

Für jede Anwendung die richtige Lösung [Translate]

AFTF-SD-MODBUS DISPLAY

HYGRASGARD® AFTF-SD-MODBUS

Item No. 1201-1226-1200-100
EAN 4 251325 610184

Quality product for HVAC sector, accuracy ± 2 %
calibratable outdoor humidity and temperature sensor HYGRASGARD® AFTF -SD - Modbus with Modbus connection, terminal box enclosure made of impact-resistant plastic, enclosure cover with quick-locking screws, with ⁄ without optional display.
The universal on-wall 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.

215,82 € 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 ± 0.2 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
Process connection by screws
Protective tube stainless steel, Ø 16 mm, NL = 55 mm
Enclosure plastic, UV-stabilised,
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted ⁄ Phillips head - combination),
colour traffic white (similar to RAL 9016),
enclosure cover for display is transparent !
Enclosure dimensions 72 x 64 x 43.3 mm (Tyr 1 with Display)
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
Display two-line display with illumination, programmable,
cutout approx. 36 x 15 mm (W x H),
for displaying the actual humidity and actual temperature
or a selectable parameter or an individually programmable
display value
(The Modbus interface allows the display to be individually
configured in the 7-segment area and in the dot-matrix area.)
Type Item No. Price
KA-2 1906-1200-0000-100 0,00 €
WS-01 Sunshade and ball-game protection Sunshade and ball-game protection 7100-0040-2000-000 26,80 €
MODBUS-Y Y-adapter Y-adapter as bypass for bus connection 7000-0005-0002-100 8,88 €

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