Rotronic HF7 Series Humidity Temperature Transmitter

The HF7 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 HF7 can survive exposure to temperature up to 200°C (392°F). Equipped with a metal enclosure and a metal probe, the HF7 can handle the toughest industrial environments.

The HF7 transmitter is available in different configurations and has an extensive set of settings and functions that can be configured and enabled with the ROTRONIC HW4 software after connecting the HF7 to a PC.

In spite of its sophistication, the HF7 can still be used as a simple conventional humidity and temperature transmitter. Whether you decide or not to take advantage of its full potential, the HF7 will let you have it your way.

• Measures relative humidity and temperature, or humidity only, or temperature only
• Calculates the dew or frost point
• Metal NEMA 4 / IP65 enclosure
• Integral probe (duct – through-wall probe and wall configurations or hard wired cable probe with 2m (6.5 Ft) separation from the enclosure
• Operating limits at probe 0 to 100 %RH and -100 to 200°C (-148 to 392°F) – except wall mount models.
• Accuracy at 23 °C: ± 1.0 %RH and ± 0.2 °C
• 2-wire, loop-powered and 3-wire models
• Supply voltage: 10 to 28 VDC (2-wire models) or 15 to 40 VDC / 12 to 28 VAC (3-wire models)
• Analog output signals
• Configurable analog output signals (signal type, parameter and range)
• Automatic RH sensor test with optional sensor drift correction
• Configurable fail safe mode – fixed output signals in the event of a humidity or temperature sensor failure
• Simulator function (fixed output signals) for on-site validation of the measurement loop
• Full access to the settings and functions via internal service connector

The HygroFlex7 transmitters are ideal in harsh industrial environments. Whether in industrial applications, building management systems, underground railways, tunnelling etc. there is hardly a field today in which exact measurement of humidity, temperature and dew/frost point may be ignored. It is ultimately the measuring task at hand that defines the instrument that best meets your needs.

• Metal NEMA 4 / IP65 enclosure
• 0 to 100 %RH and -100 to 200°C (-148 to 392°F) – except wall mount models.
• Accuracy at 23 °C: ± 1.0 %RH and ± 0.2 °C
• 2-wire, loop-powered and 3-wire models
• Supply voltage: 10 to 28 VDC (2-wire models) or 15 to 40 VDC / 12 to 28 VAC (3-wire models)

• Rotronic HF7 Series Datasheet.pdf
• Rotronic HF7 Manual.pdf