HF1 – HygroFlex1 – inexpensive HVAC transmitter

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 HW4/SW21 software enables you to change the scale and calibrate and adjust the transmitter.

Features

  • Measures relative humidity and temperature
  • Hygromer® IN-1 humidity sensor
  • Adjustable at 35 % / 80 %RH
  • Two freely scalable analog voltage or current outputs
  • USB service interface
  • Small footprint
  • Easy mechanical installation
Accuracy Typ W & Typ D @ 23°C ± 5k <± 2 %rF (10…90 %rF) / Typ S @ 23°C ± 5k <± 3 %rF (10…90 %rF)
Operating range -20…50 °C / 0…100 %RH (non-condensing)
Power consumption 12…28 VAC / 15…40 VDC
Long-term stability < 1.5 %RH per year
Humidity sensor ROTRONIC HYGROMER® IN-1
Standard temperature scale 0…50 °C or 0…100 °F
Temperature sensor Thermistor
Response time 4s
Response time t 63 30 s (63 % of a jump 35…80 %RH) without filter
Current consumption 2-wire type max. 40mA / 3/4 wire type, with voltage output: < 15 mA, with current output: < 55 mA
Parameters shown Humidity and/or temperature
Analogue outputs scaleable by the user 2
Circuit type 2 -Wire or 3/4-Wire
Min. / max. load voltage / current signal 4…20 mA ; 0…1/5/10 VDC
Housing ABS
IP protection rating IP65
CE / EMC conform 2004/108/EC
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 mount version type L and S: 90 g
Overview

 HF1 – HygroFlex1 – inexpensive HVAC transmitter

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 HW4/SW21 software enables you to change the scale and calibrate and adjust the transmitter.

Features

  • Measures relative humidity and temperature
  • Hygromer® IN-1 humidity sensor
  • Adjustable at 35 % / 80 %RH
  • Two freely scalable analog voltage or current outputs
  • USB service interface
  • Small footprint
  • Easy mechanical installation
Technical Specifications
Accuracy Typ W & Typ D @ 23°C ± 5k <± 2 %rF (10…90 %rF) / Typ S @ 23°C ± 5k <± 3 %rF (10…90 %rF)
Operating range -20…50 °C / 0…100 %RH (non-condensing)
Power consumption 12…28 VAC / 15…40 VDC
Long-term stability < 1.5 %RH per year
Humidity sensor ROTRONIC HYGROMER® IN-1
Standard temperature scale 0…50 °C or 0…100 °F
Temperature sensor Thermistor
Response time 4s
Response time t 63 30 s (63 % of a jump 35…80 %RH) without filter
Current consumption 2-wire type max. 40mA / 3/4 wire type, with voltage output: < 15 mA, with current output: < 55 mA
Parameters shown Humidity and/or temperature
Analogue outputs scaleable by the user 2
Circuit type 2 -Wire or 3/4-Wire
Min. / max. load voltage / current signal 4…20 mA ; 0…1/5/10 VDC
Housing ABS
IP protection rating IP65
CE / EMC conform 2004/108/EC
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 mount version type L and S: 90 g
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