Duct Mounting – HygroFlex4-Series

Duct Mounting – HygroFlex4-Series

The HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature. The devices are equipped with the tried-and-tested Hygromer® IN-1 sensor and boast unbeatable value for money. The optional ROTRONIC SW21 software enables you to scale, calibrate and adjust (only humidity) the transmitter.

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The HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature. The devices are equipped with the tried-and-tested Hygromer® IN-1 sensor and boast unbeatable value for money. The optional ROTRONIC SW21 software enables you to scale, calibrate and adjust (only humidity) the transmitter.

Transmitter type

2-wire type: HF120
3/4 wire type: HF13x

Supply voltage

12…28 VAC / 15…40 VDC

Current consumption

2-wire type max. 40mA
3/4 wire type
with voltage output: < 15 mA
with current output: < 55 mA

Parameters

Humidity and/or temperature

Housing material / IP

ABS / IP65

Weight

Wall version type W and A: 140 g
Duct version 100 mm type B and D: 140 g
Duct version 300 mm type E and F: 200 g
Space version type L and S: 90 g

Integrated sensors

Yes

Operating and measurement range

-20…50 °C / 0…100 %RH (non-condensing)

CE / EMC compatibility

2004/108/EC

Humidity measurement


Humidity sensor

ROTRONIC Hygromer® IN-1

Accuracy at 23 °C ±5 K

<3 %RH (10…90 %RH)

Long-term stability

<1.5 %RH per year

Response time τ63

30 s (63 % of a jump 35…80 %RH) without fi lter

Temperature measurement


Sensor

Thermistor

Standard temperature scale

0…50 °C or 0…100 °F

Accuracy at 23 °C ±5 K

± 0.3 °K (0…50 °C)

Response time

4 s

Outputs


Number

Two freely scalable analog outputs

Current

4…20 mA

Voltage

0…1/5/10 VDC