Vaisala HMT370EX intrinsically safe humidity and temperature transmitter series

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The intrinsically safe HMT370EX is suitable for monitoring relative humidity and temperature in hazardous areas, zones 0 to 20. The transmitters can also output other humidity measurements, including dewpoint temperature, wet-bulb temperature, absolute humidity, mixing ratio, water concentration, water mass fraction, water vapour pressure and enthalpy. In pharmaceutical applications, explosion-proof refrigerators and freezers are often used to store organic culture media. IS transmitters are also useful in powder granulation and coating rooms.

Because the probe cable lengths are adjustable, measurement probes can be placed at some distance from the transmitter. Flexible probe placement makes the transmitter suitable for monitoring in hard-to-reach locations. The entire HMT370EX transmitter can be installed directly in hazardous areas. It can withstand continuous exposure to potentially explosive environments that contain flammable gases or dust. In addition, operation in either gaseous or dusty environments requires no additional protective enclosures.

The HMT370EX has been released with numerous certificates for intrinsically safe compliance, including ATEX, IECEx, CML, NEPSI, KC, FM, MET, CSA and UKEX. Learn more from the blog here.