Vaisala HMT370EX intrinsically safe humidity and temperature transmitter

Vaisala’s HMT370EX is an intrinsically safe humidity and temperature transmitter that is designed to meet the demands of hazardous and explosive environments. The product builds on over 20 years of experience based on the company’s previous version of the transmitter, the HMT360. Benefiting from developments in technology, the latest model meets and exceeds the current hazardous area regulations.

Robust and easy to use, the transmitter can be mounted directly in explosive areas, up to zone 0/20, with no need for additional protective enclosures. Its rugged display withstands continuous exposure to areas that contain flammable gases or dust, meaning it should keep on measuring safely and correctly.

In addition to measuring relative humidity and temperature, the transmitter outputs also other humidity parameters: dewpoint temperature, wet-bulb temperature, absolute humidity, mixing ratio, water concentration, water mass fraction, water vapour pressure and enthalpy. Special models for moisture in oil and jet fuel measurements are available.

Typical applications include fuel storage tanks; manufacturing of chemicals, pharmaceuticals and food; biogas production; paint booths; and any other industry or process where intrinsically safe humidity or moisture in oil measurement is required.