Rotronic HygroFlex3-HF3

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The HygroFlex3-series is the latest transmitter series for relative humidity, temperature and dew point, especially for cost-critical HVAC applications.

Description

the advanced HVAC transmitter

The HygroFlex3-series is the latest transmitter series for relative humidity, temperature and dew point, especially for cost-critical HVAC applications.

Benefits at a glance

  • 1 or 2 selectable and scalable analogue outputs
  • Analogue outputs assignable to RV&T, dew point
  • 2-wire or 3/4-wire systems available
  • Fast response and precision measurement
  • With AirChip3000-technology

The HF3 series is a dedicated range of humidity and temperature sensors aimed at cost-sensitive applications, such as for HVAC/GBS systems. The HF3 series combines good accuracy, stability, reliability and quality with a very favourable price.

The instruments are based on AirChip3000 technology, which allows measurements to be taken with an unprecedented degree of accuracy. Together with the latest sensor technologies, this results in a state-of-the-art, high-precision transmitter that takes the measurement of moisture, temperature and dew point to a whole new level of performance (<2 %RV / 0.3 K).

Specifications

Probe typeIntegrated
DimensionsWall: ø 82 x 43, probe length 100 mm
Duct: ø 82 x 43, probe length 207 mm
Room: 82 x 82 x 26 mm
Operating range-40…60 °C / -10…60 °C (Models with display) 0…100 %rh, non-condensing
Accuracy at 23 ±5 °C±2.0 %rh / ±1.0 %rh (Type R), ±0.3 K / ±0.2 K (Type R)
>Measuring range with integrated probe-40…60 °C / 0…100 %rh
Power supply / Power consumption15…40 VDC or 12…28 VAC/
Probe protectionPolycarbonate plastic cage, white
Filter cartridgePolyethylene dust filter, gray, 20 um
Response time t 6380% (1 m / sec air flow at the sensor)
Allowed wind speed20 m/s, with filter
Psychrometric calculationsDew or frost point
Reproducibility Airchip
Measurement intervaltypically 1 second (without calculations)
Display typeOptional graphics display. Presentation configurable.
Backlightwith Backlight
Alarm indicatorsYes
Exploitation softwareROTRONIC HW4
Trend indicatorYes, for models with display
Probe adjustment by softwareYes, with service cable
Remote control functionsVia HygroPalm and service cable
Firmware updateWith internet and HW4 software
User informationfrom Software HW4 (devicemanager)
Data processing via HW4with interface cables
Device Protection by passwordYes
Type of output signals2
Analogue outputs scaleable by the userYes
Change of output signal w/o adjustmentYes
Analog output signal (standard)0…20 mA, 4… 20 mA; 0… 1 V, 0… 5 V, 0… 10 V
Digital output signal (standard)UART
Min. / max. load voltage / current signalV min = 10 V + (0.02 x Load*) * = Resistance in ohms
Service InterfaceMini USB (UART)
Service InformationCalibration interval
Max. cable lengthUp to 5 m with passive cable. Up to 100 m with active cable.
Probe materialPolycarbonate
Enclosure materialABS
IP protection ratingHF3x-S/ HF3x-R: IP20 HF3x-W/ HF3x-D: IP65
Fire protection classComplies UL94-HB
FDA/GAMP compatibilityFDA 21 CFR Part 11 and GAMP compatible

Documentation

Brochure – Rotronic HygroFlex3-HF3




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