Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter

Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter

Rotronic's HygroFlex HF7 transmitters are the latest developments in HVAC transmitters for relative humidity, temperature and dew point measurement.

Rotronic HF7 transmitters are available in duct and wall mount variations. The HF7 duct and wall mount versions are suited for HVAC and harsh industrial environments and outdoor humidity and temperature applications.

Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter - Features

  • Accuracy: ±1%rh / ±0.2K at 23°C ±5K
  • Temperature limit at probe: -100 to 200°C / 0 to 100%rh
  • Range of application electronics: -40 to 85°C / 0 to 100%rh; -10 to 60°C with LCD
  • Metal housing (aluminium diecast) and probe of stainless steel or PPS
  • Various probe lengths available
  • Use as simulator for system validation *
  • Service interface
  • Adjusted at 23°C and 10, 35, 80%rh
Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter - Technical Specification
Part Ref HF720 analog, 2-wire HF73x analog 3/4-wire
Parameters Humidity & Temperature
Calculated Parameters Dew/Frost point
Housing Material / Protection Aluminium / IP67 (without display)
Dimensions

Type W - 215mm x 100mm x 60mm

Type D - 325mm x 100mm x 100mm

Type C - 100mm x 100mm x 60mm

Weight 600g + 140g per probe extension unit (150mm)
Probe Material PPS PPS or stainless steel
Probe Connection Fixed, possible with 2/5 meter cable (Type C)
Filter Carrier Slotted sleeve
Filter Material Filter is not supplied with transmitter (must be ordered separately)
Display LCD, 1 or 2 decimals, without backlight LCD, 1 or 2 decimals, with backlight
Electrical Connections Screw terminals inside, M16 cable gland
Power Supply 10 to 28VDC 18 to 40VDC / 13 to 28VAC
Current Consumption 2 x 20mA max 150mA max

Application Temperature

Housing / Electronics

-40 to 85ºC / -10 to 60ºC (with LCD)

0 to 100%RH

Measurement Range

Type W: -100ºC to 100ºC

Type D: -100ºC to 150ºC

Type C: -100ºC to 200ºC 

Firmware Upgrade Via HW4 software
Service Interface UART service interface (Universal Asynchronous Receiver Transmitter)
CE/EMC Compatibility EMC Directive 2004/108/EC
Fire Protection Class Non Flammable
FDA / GMP Conformity Conforms to 21 CFR Part 11 and GAMP5

 

Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter
Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter
Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter

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Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter
Rotronic HF7 Series - HygroFlex Humidity & Temperature Transmitter

Heat Tracing - Thorne & Derrick