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Instrinsically Safe humidity transmitter


Vaisala's HMT360 humidity and temperature transmitter is designed for use in potentially explosive atmospheres. The electronics are designed so that the transmitter is intrinsically safe. The whole transmitter can be installed directly into an explosive area, even into areas classified as having a constant risk of explosion (Zone 0). HMT360 fulfils all requirements of current standards. The microprocessor-based HMT360 is easy to install, maintain and calibrate due to its modular structure. The interchangeable probes are easy to remove and enable on-site calibration. They make the HMT360 series versatile and ensure its suitability for almost any application.

Also suitable for measuring water activity of Jet Fuel

Technical Specs

Model HMT368F Transmitter and Probe for Moisture in Oil Measurements
HMT360F Transmitter Unit for Moisture in Oil Measurements
HMT368H Transmitter and Probe for Jet Fuel Measurements
HMT360H Transmitter Unit for Jet Fuel Measurements
HMT362N Transmitter with probe for Natural Gas with flanged probe
HMT364N Transmitter with probe for Natural Gas in high pressure
HMT368N Transmitter and probe for Natural Gas pipeline installation
HMT360N Transmitter Unit for Natural Gas measurments
HMP362 Flanged probe
Measurement Range Humidity: 0 - 100% rH
Temperature:
  • HMT361: -40 to 60ºC
  • HMT363: -40 to 120ºC
  • HMT3364/365/368: -70 to 180ºC
    Dewpoint, mixing ratio, absolute humidity, wet bult temperature
  • Sensor Humidity: Vaisala HUMICAP 180L2
    Temperature: PT100 RTD
    Accuracy at 20ºC Humidity: ±1.0%rH (0 - 90%rH), ±2.0%rH (90 - 100%rH)
    Temperature: ±0.1ºC
    Power supply 10-28V
    Output 4-20mA, RS-232
    Mechanics Protection: IP65 (NEMA 4)
    Complies with classifications from PTB (CENELEC, Europe), FM (USA), CSA (Canada), TestSafe (Australia), TIIS (Japan) and PCEC (China)
    Remarks HMT361 for wall mounting
    HMT363 for duct mounting and tight spaces
    HMT364 for high pressures up to 100 bar and vacuum conditions
    HMT365 for high temperatures
    HMT367 Transmitter with Vapor Tight Probe
    HMT368 for pressurized pipelines up to 40 bar


    Available models:

    Probes:
    HMP361
    HMP363
    HMP364
    HMP365
    HMP367
    HMP368

    Jet Fuel & Natural Gas:
    HMT368F
    HMT360F
    HMT368H
    HMT360H
    HMT362N
    HMT364N
    HMT368N
    HMT360N
    HMP362

    Data sheet

    CatalogueProduct Selection Form



    See also
    Humidity and Temperature Transmitters for High-Accuracy Measurements in HVAC Applications
    ​Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMDW110 measure relative humidity and temperature in multiple HVAC applications. The series includes transmitters for duct mounting,.....
    Humidity and Temperature Transmitters for Building Automation Applications
    ​Vaisala INTERCAP® Humidity and Temperature Transmitter Series HMDW80 measure relative humidity and temperature in various building automation applications. Transmitters combine easy installatio.....
    Instrinsically Safe humidity transmitter
    Vaisala's HMT360 humidity and temperature transmitter is designed for use in potentially explosive atmospheres. The electronics are designed so that the transmitter is intrinsically safe. The whole tr.....


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