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Intrinsically Safe Humidity and Temperature Transmitter Series, HMT370EX
For use up to zone 0 and 20
Please note that the HMT370EX has been released with ATEX, IECEx, CML, NEPSI, KC, FM, CSA and UKEX certificates for intrinsically safe compliance.
The intrinsically safe HMT370EX is the ideal solution for use in hazardous areas up to zone 0 and 20. In addition to measuring relative humidity and temperature, the transmitter outputs also other humidity parameters: dew point temperature, wet-bulb temperature, absolute humidity, mixing ratio, water concentration, water mass fraction, water vapor pressure, and enthalpy. Special models for moisture in oil and jet fuel measurements are available.
Typical applications
Typical applications include fuel storage tanks, manufacturing of chemicals, pharmaceuticals and food, paint booths, and any other industry or process where intrinsically safe humidity or moisture in oil measurement is required. View the current certificates for the HMT370EX:
Vaisala HMT370EX Series HUMICAP Humidity and Temperature Transmitters are the ideal solution for measuring humidity in hazardous areas. The intrinsically safe and robust transmitter operates safely and reliably even in the most hazardous classifications, such as Zone 0. The next-generation HMT370EX transmitters can be used as a replacement of the long-running HMT360 transmitter series.
Features
- Intrinsically safe (Ex i) for operation in up to Zone 0 / 20
- Measures RH and T, and outputs an extensive range of calculated parameters
- Designed for harsh conditions
- Temperature range between −70 … +180 °C (−94 … +356 °F) depending on the probe option
- Vaisala HUMICAP sensor feature high accuracy, excellent long-term stability, and negligible hysteresis
- Display options: graphical LCD display and non-display model
- Traceable calibration (certificate included)
- Compatible with Vaisala Insight PC software
Replaces the HMT360 transmitter series
This next-generation HMT370EX transmitter replaces the long-running HMT360 transmitter series.
The HMT370EX offers several probe options for different applications:
- HMP371 – for wall mounting
- HMP373 – for confined spaces
- HMP374 – for pressurized spaces
- HMP375 – for high temperature
- HMP377 – for high humidity
- HMP378 – for pressurized pipelines
Models for measuring moisture in oil and jet fuel:
- HMP378F – for moisture in oil
- HMP378H – for JET A-1 fuel
The HMT370EX uses the superior Vaisala HUMICAP technology.
HMT370EX
