Rotronic HF5 Series Humidity and Temperature Transmitter
Rotronic HygroFlex5 HF5 – Wall, Industrial Wall & Duct Humidity/Temperature Transmitters
High-performance HVAC & industrial transmitter with interchangeable HC2A probes, dew point calculation, scalable analog outputs, IP65 housing, and optional digital networking.
- Rotronic HF5 Data Sheet
- Rotronic HF5 Manual v3.6
- Rotronic HF5 Manual v1.25 with Jumper
- Rotronic HF5 Short Instruction Manual
- Rotronic HF5XX-S Short Instruction Manual
- Rotronic HF56 Short Instruction Manual
- Rotronic Drill Template HF4-5 PF4-5
- Rotronic HF5 Digital Communication Protocol
- Rotronic HF5 Configuration Guide TCP-IP devices
The Rotronic HygroFlex5 HF5 Series is a universal transmitter platform for humidity, temperature, and dew point measurement. It supports wall, industrial wall (HF53S/HF54S), and duct (HF52/53/54D) versions, uses HygroClip2 probes, offers freely scalable analog outputs, and includes advanced features like AirChip technology, sensor diagnostics, and 2000-point data logging.
KEY FEATURES
Works with HygroClip2 probes (various types)
Measures RH, Temperature & Dew Point
Probe accuracy (HC2A series): ±0.8% RH / ±0.1 K
Analog outputs: 0–1 V, 0–5 V, 0–10 V, 0/4–20 mA
Optional digital outputs: Ethernet, RS-485, USB
Fast response (probe dependent)
Data logging: 2000 points internal memory
Sensor diagnostics (drift, state)
IP65 protection, UL94-HB fire class
Wall & industrial housings support HC2A probes; duct model has probe extension
VERSIONS
HF5 Wall Version (W)
For HVAC rooms, plant areas
Uses external HygroClip2 probe
IP65
Compact ABS housing
HF5 Industrial Wall Version (HF53S / HF54S)
Heavy-duty aluminum housing
For harsh industrial environments
Same electronics as HF5 but rugged construction
HF5 Duct Version (D)
For ventilation ducts/AHUs
Probe extension + IP65 housing
Same signal output options
TECHNICAL SPECIFICATIONS
| Parameter | HF5 Wall | HF5 Wall-Industrial | HF5 Duct |
|---|---|---|---|
| Probe Type | HC2A series | HC2A series | HC2A series |
| Accuracy (probe) | ±0.8% RH / ±0.1 K | ±0.8% RH / ±0.1 K | ±0.8% RH / ±0.1 K |
| RH Range | 0–100% RH | 0–100% RH | 0–100% RH |
| Temp Range | Probe dependent | Probe dependent | Probe dependent |
| Housing | ABS | Aluminum | ABS |
| IP | IP65 | IP65 | IP65 |
| Outputs | V & mA | V & mA | V & mA |
| Digital | Ethernet / RS485 / USB | Same | Same |
| Supply | 15–40 VDC / 12–28 VAC | Same | Same |
APPLICATIONS
HVAC systems
Ventilation shafts (duct)
Food industry
Pharma & cleanrooms
Paper & printing
Industrial process monitoring
WHAT’S IN THE BOX
HF5 transmitter (Wall / Industrial / Duct)
Mounting bracket & screws
Wiring terminal guide
FAQ
Q1. Can HF5 measure dew point?
Yes—internal psychrometric calculations.
Q2. What probes work with HF5?
HygroClip2 (HC2A series, standard or industrial).
Q3. Are digital outputs available?
Yes—RS-485, Ethernet (LAN/WLAN), and USB.
Q4. Does HF5 store data?
Yes—logs 2000 points.