HygroFlex7 Series Humidity Transmitters
Heavy duty humidity and temperature transmitters for harsh conditions
The HF73A transmitter series is designed for fixed installation in industrial applications where conditions are within the range of 0 to 100 %rh and -100 to 150 °C (-148 to 302 °F). The probe of the HF73A can survive exposure to temperature up to 200 °C (392 °F). Equipped with an aluminum enclosure and a PPS probe, the HF73A can handle the toughest industrial environments.
The HF73A transmitter is available in different configurations and has extensive settings and functions that can be configured and enabled with the ROTRONIC HygroSoft software after connecting the HF73A to a PC.
• Accuracy: ±1.0 %rh / ±0.2 K at 23°C ±5 K
• Temperature limit at probe: max. -100…200 °C / 0…100 %rh
• Range of application electronics: -40..85 °C / 0…100 %rh; -10…60 °C with LCD
• Metal housing (aluminum diecast) and probe of stainless steel or PPS
• Various probe lengths available
• Use as simulator for system validation *
• Adjusted at 23 °C and 10, 35, 80 %rh
| Probe type | Industrial metal probe |
| Operating range | -40…85 °C / 0…100 %rh |
| Accuracy at 23 ±5 °C | ±1.0 %rh / ±0.2 K |
| Measuring range with integrated probe | -100…200 °C / 0…100 %rh |
| Power supply / Power consumption | 15…40 VDC / 12...28 VAC |
| Long-term stability | <1 %rh / year |
| Humidity sensor | Hygromer IN-1 |
| Temperature sensor | PT100 1/3 DIN Class B |
| Response time T 63 | <10 sec. |
| Psychrometric calculations | Dew or frost point |
| Number of probe inputs | 1 |
| Calibration / adjustment | With Software HW4 |
| Initialisation time | Typically 1.9 sec. |
| Exploitation software | ROTRONIC HW4 |
| Probe adjustment by software | Yes, with service cable |
| Firmware update | With internet and HW4 software |
| Data processing via HW4 | With interface cables |
| Circuit type | 2 -Wire or 3/4-Wire |
| Analog output signal (standard) | 2 x 0…1 V, 0…5 V, 0…10 V, 0(4)…20 mA |
| Service Interface | Mini USB (UART) |
| Probe material | Stainless steel 1.4305 (V2A) |
| Enclosure material | Aluminum die casting |
| Cable connections | 1x M16x1.5 or ½ "conduit adapter |
| IP protection rating | IP67 |
| Fire protection class | Incombustible |
| FDA/GAMP compatibility | FDA 21 CFR Part 11 and GAMP compatible |
| Weight | 800.0000 |
• Measures relative humidity
• Temperature and dew/frost point in industrial environments and outdoors
• For use in harsh conditions
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