Intrinsically Safe Humidity and Temperature Transmitters - HMT370EX Series

  • Designed for harsh conditions
  • High accuracy and long-term stability
  • Easy configuration access
  • Traceable calibration
  • Compatible with Vaisala Insight PC software

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The HMT370EX Series Intrinsically Safe Humidity and Temperature Transmitters are designed for measuring humidity and temperature in hazardous areas, such as Zone 0. These transmitters are intrinsically safe (Ex i) and can operate in environments with flammable gases or dust. They feature the Vaisala HUMICAP® sensor, which offers high accuracy, excellent long-term stability, and negligible hysteresis. The HMT370EX series can measure relative humidity (RH) and temperature (T) and output a wide range of calculated parameters. They are compatible with Vaisala Insight PC software and the Vaisala Indigo80 handheld indicator. The series includes interchangeable probes for various applications, such as wall mounting, confined spaces, pressurized spaces, high temperature, high humidity, and pressurized pipelines. The transmitters are robust, can withstand harsh conditions, and are suitable for both indoor and outdoor use. They also support easy configuration access through a local display interface and can be connected to the Insight PC software for additional monitoring and configuration options.

Use Cases

  • Measuring humidity in hazardous areas
  • Monitoring humidity and dew point in potentially explosive environments
  • Replacement of the long-running HMT360 transmitter series
  • Installation in pressurized spaces or vacuum chambers
  • Installation in confined spaces
  • Installation in high temperature environments
  • Installation in high humidity environments
  • Installation in pressurized pipelines
  • Measurement in hazardous classifications such as Zone 0

Capabilities

  • Measuring relative humidity and temperature
  • Outputting an extensive range of calculated parameters
  • Operating in harsh conditions
  • Withstand continuous exposure to potentially explosive environments
  • Withstand exposure to flammable gases or dust
  • Supporting traceable calibration
  • Compatibility with Vaisala Insight PC software and Vaisala Indigo80 handheld indicator
  • Supporting interchangeable probes
  • Supporting detachable probe module for calibration outside hazardous areas
  • Supporting easy configuration access with local display and Insight PC software
Vaisala Oyj Vaisala is a leader in measurement technology, supporting the hydrogen economy with reliable data for fuel cell production and renewable energy transition. Their innovations help reduce environmental impacts and improve efficiency. Vaisalas commitment to decarbonization drives advancements in the low-carbon economy.

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