
Training CO2 sensor with traffic light indicator
Room sensor on stand holder made from stainless steel including power supply unit for use in classrooms and training rooms
Special offer, price on request
Quality product for HVAC sector, accuracy ± 2 %
calibratable dew point control switch HYGRASGARD® TW - Modbus incl. strap/ with detached sensor head, with Modbus connection, terminal box housing made of impact-resistant plastic, housing cover with quick-locking screws, with/ without optional display.
The universal surface-contact 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.
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 ± 0.2 K at +25 °C |
Sensor |
digital humidity sensor
with integrated temperature sensor, low hysteresis, high long-term stability |
Sensor protection | membrane filter |
Measuring range |
0...100 % r.H. (humidity) – 35...+80 °C (temperature) |
Zero point offset |
± 10 % r.H. (humidity) ± 5 °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 |
endless metal strap with metal tightener, 300 mm, for pipes up to 3 '' (included in scope of delivery) |
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 cover for display is transparent ! |
Housing 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 |
Installation |
TW - Modbus with strap for direct mounting on pipes or for direct mounting on flat surfaces (e.g. walls, ceilings) |
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.) |
MODBUS-Y |
Y-adapter for cable gland M16 x1.5 (on 2x M12 x1.5), plastic (included in the scope of delivery) |
Type | Item No. | Price | ||
---|---|---|---|---|
KA2-Modbus | 1906-1200-0000-100 | 188,70 € |
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