Vaisala HMT370EX Intrinsically Safe RH/Temperature Transmitters with Display

Safely measure humidity even in the most hazardous environments
  • Rated intrinsically safe for operation in up to Zone 0/20
  • Detachable probe module—easily replace and remove for calibration
  • Vaisala HUMICAP® sensor provides quality and reliability
  • Configure and make adjustments on the graphical LCD display
  • Two 4 to 20 mA outputs
  • Additional monitoring and configuration options available with Vaisala Insight software
Measure relative humidity and temperature in even the most hazardous area with the Vaisala intrinsically safe transmitters. Transmitters withstand continuous exposure to potentially explosive environments that contain flammable liquids, gases, or dust—rated for use in up to Zone 0 and 20.

Easily configure outputs and adjust measurement calibration directly on the local graphical display. Two 4 to 20 mA outputs provide connectivity options to automation systems. Connect the transmitter to free Vaisala Insight software with a USB cable (order separately) for additional configuration and monitoring options.

All probes feature a thin-film capacitive Vaisala HUMICAP sensor that offers excellent accuracy, long-term stability, and negligible hysteresis. Each probe comes with a detachable probe module allowing the probe to be easily calibrated outside the hazardous area without removing the entire transmitter. Select a transmitter with a probe option best suited for your application.
$5,820.00 - $7,580.00USD / Each

6 variations of this product are available.

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Max Probe Temperature (DegreeF) Max RH Range (%) Description
Availability Pricing
Vaisala Intrinsically Safe RH/Temperature Transmitter for Wall Mounting, –40 to 140°F, 0 to 100% RH EW-37805-32 Mfr # HMT370EX 15A1NA2AC4DN
COMPARE
140 100 Intrinsically Safe RH/Temperature Transmitter for Wall Mounting, –40 to 140°F, 0 to 100% RH
$5,820.00USD / Each
Vaisala Intrinsically Safe RH/Temperature Transmitter for General Purpose, –40 to 176°F, 0 to 100% RH, 2-m Cable EW-37805-33 Mfr # HMT370EX 35B1BB2AD4DN
COMPARE
176 100 Intrinsically Safe RH/Temperature Transmitter for General Purpose, –40 to 176°F, 0 to 100% RH, 2-m Cable
$6,120.00USD / Each
Vaisala Intrinsically Safe RH/Temperature Transmitter for High Presssure, 0 to 100 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable EW-37805-34 Mfr # HMT370EX 45H2GB2AE4DN
COMPARE
356 100 Intrinsically Safe RH/Temperature Transmitter for High Presssure, 0 to 100 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable
$7,580.00USD / Each
Vaisala Intrinsically Safe RH/Temperature Transmitter for High Temperature, –94 to 356°F, 0 to 100% RH, Mounting Flange, 2-m Cable EW-37805-35 Mfr # HMT370EX 55L2CB2AE4DN
COMPARE
356 100 Intrinsically Safe RH/Temperature Transmitter for High Temperature, –94 to 356°F, 0 to 100% RH, Mounting Flange, 2-m Cable
$7,175.00USD / Each
Vaisala Intrinsically Safe RH/Temperature Transmitter for High Humidity, 0 to 100% RH, 0 to 1 bar, –94 to 356°F, 2-m Cable EW-37805-36 Mfr # HMT370EX 75P2B2AE4DN
COMPARE
356 100 Intrinsically Safe RH/Temperature Transmitter for High Humidity, 0 to 100% RH, 0 to 1 bar, –94 to 356°F, 2-m Cable
$6,750.00USD / Each
Vaisala Intrinsically Safe RH/Temperature Transmitter for Pressurized Process, 0 to 40 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable EW-37805-37 Mfr # HMT370EX 85T2M2AE4DN
COMPARE
356 100 Intrinsically Safe RH/Temperature Transmitter for Pressurized Process, 0 to 40 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable
$7,030.00USD / Each
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