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Rotronic Hygro Flex 5 Transmitters for Humidity and Temperature

Transmitters for Humidity and Temperature
Hygro Flex 5

The new HygroFlex5-series is the latest development in transmitters for humidity, temperature and dew point. One outstanding feature of this innovative product is, the possibility to output all psychrometric calculations as an analog signal.

The HF5-series is compatible with HygroClip2 probes with integrated AirChip3000 technology – thanks to which the probes achieve a degree of accuracy not seen before. In combination with advances in sensor technology and integration, the HygroFlex HF52-, HF53- and HF55- transmitters provide superb precision and state-of-the-art functionality, taking humidity, temperature and dew point measurements to a whole new level of performance (< 0.02 %rh) and reliability (< 0.8 %rh and < 0.1 K).

Practical display
• Display of the measured values on a clear, backlit graphic display with trend indicators
• Configuration by keypad possible

Tried-and-tested housing
• Robust industrial housing
• Wall or duct mount versions

Outputs
• Two freely selectable and scalable analog outputs
• Available as 2-wire (HF52), 3/4-wire (HF53) and digital (HF55) transmitter
• Optional digital outputs allow integration on a network via RS485, Ethernet and even wireless connection

Flexible choice of probes
• Connection of various probes possible Connection of simulators allows easy process validation

AirChip3000
• Compensates humidity and temperature over 30,000 reference points
• 2,000 data point memory
• Dew/frost point calculation
• Sensor auto-diagnostics and automatic correction
• Active alarming and information
• ASIC, (Application Specific Integrated Circuit), micro-controller and EEPROM on one chip

• Relative humidity, temperature and dew point measurement
• Psychrometric calculation capability
• Outstanding accuracy and repeatability
• Super-fast probe changes
• Auto-diagnostics and automatic correction
• Highest-possible measuring accuracy
• Freely scalable analog signals
• Network compatibility with to digital outputs
• Internet updates possible

  HF52
2-wires
HF53
3/4-wires
HF55
Digital
Probe type HygroClip2 probe, various models
Probe cable extension Passive: max. 5 m, active 100 m
Accuracy at 23 ±5 °C ±0.8 %rh / 0.2 K
Response time t 63 3-12 s, depending on probe type
Initialisation time HF53, HF55: typically 3 s, HF52: 10 s
Measurement range -50…200 °C / 0…100 %rh, probe dependent
Electronics operating range -40…60 °C / 0…100 %rh (-10…60 °C with LCD
Display (optional)
(HF52: not illuminated)
Graphic display, backlit
Parameters configurable
Trend indicator Yes
Alarm functions (programmable) Sensor interruption or short circuit
Output signals Scalable by user
0...1 V, 0...5 V, 0...10 V, 0(4)...20 mA
Digital outputs (optional) Ethernet (LAN, WLAN), USB, RS485
Change in signal type U/I HF53 only
Power supply HF52: 10...28 VDC (10 V+(0.02x load)
HF53/55: 15…40 VDC /12…28 VAC
Power consumption HF52: max 40 mA, other models < 100 mA
LAN option <300 mA
Circuit type HF52: 2 x 2 wires, HF53: 3/4 wires, HF55: digital
Min. / Max. load V-signal: ≥1 kΩ/V / mA-signal: ≤ 500 Ω
Load compensation Yes
Firmware update Possible by HW4 software
Sensor diagnostics (Drift, state) Programmable. Default: off
Sensor protection Polyethylene filter
Max. wind speed 20 m/s at probe
Humidity adjustment by keypad / software: multi point
Temperature adjustment by keypad: 1 point, by software: 2 points
Data logging function external, 2000 data point memory
Psychrometric calculations All selectable
PC interface With ROTRONIC interface cable
HW4 compatible
Data processing by HW4 Graphs, statistics, analyses, qualification etc.
Housing material / weight ABS / Approx. 220g
Cable connections 1 x M16x1.5, on terminals
Norms CE- compliant, 2007/108/EG
Audit trail, Electronic Records FDA CFR21 Part 11 and GAMP compliant
IP protection rating & fire protection class IP65 / Corresponds to UL94-HB

The HF5 transmitter is designed for fixed installation in HVAC and industrial applications, and provides two analog outputs or a digital output signal corresponding to relative humidity, temperature, dew point or another psychrometric parameter. The HF5 uses a plug-in HygroClip 2 probe, the model of probe being determined by the application.



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