Rotronic HygroFlex1-HF1-transmitter

Product Id : 268332


Rotronic HygroFlex1 series is the newest breakthrough of low-cost HVAC transmitters for relative humidity and temperature. Designed with the tried and proven Hygromer ® IN-1 sensor, the instruments boast an unmatched value for money.

Applications: Heating, ventilation, and air conditioning

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Country : United States

Product Description

Rotronic HygroFlex1-HF1-transmitter is the latest invention for relative humidity and temperature based on cheap HVAC transmitters. Configured with the tried and proven Hygromer ® IN-1 sensor, the devices boast an unrivaled value for money.

Features of Rotronic HygroFlex1-HF1-transmitter

  •  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

Additional Information

Weight 1 kg
Manufacturer Rotronics
Measuring Parameters Relative Humidity and Air Temperature
Range -20 to 50 °C / 0 to 100 %RH (non-condensing)
Accuracy Typ W & Typ D @ 23°C ± 5k <± 2 %rF (10 to 90 %rF) / Typ S @ 23°C ± 5k <± 3 %rF (10 to 90 %rF)
Supply voltage 12 to 28 VAC / 15 to 40 VDC
Voltage output 0 to 1/5/10 VDC
Current consumption 2-wire type max. 40mA / 3/4 wire type, with voltage output: < 15 mA, with current output: < 55 mA
Current output 04 to 20 mA
Operating Temperature -20 to 50 °C
Humidity sensor Rotronic Hygromer® IN-1
Long-term stability <1.5 %RH per year
Response time t63 30 s (63 % of a rise 35to80 %RH) without filter
Temperature Sensor Thermistor
Standard temperature scale 0 to 50 °C or 0 to 100 °F
Precision at 23 °C ± 5 K ± 0.3 °C, type S ± 1 °C
Response time 4 s
Circuit type 2 -Wire or 3/4-Wire
Dimension 172 X105 X 32mm (for type W) Wall Version 105 X 70 X100 mm (for type D ) Duct Version
Weight Wall version type W: 140 g Duct version 100 mm type D: 140 g Duct version 300 mm type F: 200 g


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