Efficient, convenient and network-enabled
Elegant appearance, touch-operated interface, large display, and Modbus-compatible
RYMaskon
Quality product for HVAC sector, accuracy ± 2 %
The calibratable room sensor HYGRASGARD® RFTF - Modbus with Modbus connection, with ⁄ without optional display in an elegant enclosure (Baldur 2).
It is used to measure the relative humidity and the temperature of the room air. 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 room temperature [°C].
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 |
Data points |
Temperature, relative humidity, absolute humidity, dew point, mixture ratio, enthalpy and setpoint potentiometer, rotary switch and presence button |
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 |
Measuring range |
0...100 % r.H. (humidity) 0...+ 50 °C (temperature) |
Zero point offset |
± 10 % r.H. (humidity) ± 10 °C (temperature) adjustable using potentiometer |
Ambient temperature |
storage –35...+85 °C; operation 0...+50 °C |
Medium |
clean air and non-aggressive, non-combustible gases |
Bus protocol |
Modbus (RTU mode), address range 0...247 selectable, LEDs colour-programmable |
Signal filtering | 4 s / 32 s |
Enclosure |
plastic, material ABS, colour pure white (similar to RAL 9010) |
Dimensions | 98 x 98 x 33 mm (Baldur 2) |
Installation |
wall mounting or on in-wall flush box, Ø 55 mm, base with 4 holes, for attachment to vertically or horizontally installed in-wall flush boxes for rear cable entry, with predetermined breaking point for cable entry from top ⁄ bottom in case of plain on-wall installation |
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 30 (according to EN 60 529) |
Standards |
CE conformity according to EMC Directive 2014 ⁄ 30 ⁄ EU, according to EN 61 326 |
ISH Messe Frankfurt – S+S Regeltechnik looks forward to meeting you!
11. - 15.03.2019
Stand 10.3 A71
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ISH | 11. - 15.03.2019 | Stand 10.3 A71
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