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HygroFlex1 - HF1

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

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
Operating range -20…50 °C / 0…100 %RH (non-condensing)
Accuracy at 23 ±5 °C < 3 %RH (10...90 %RH) / ± 0.3 °K (0...50 °C)
Power supply / Power consumption 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
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
Parameters shown Humidity and/or temperature
Circuit type 2 -Wire or 3/4-Wire
Analogue outputs scaleable by the user 2
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