Galltec+Mela hazardous area humidity and temperature sensors

Friday, 01 July, 2022 | Supplied by: Slentech Pty Ltd


Galltec+Mela has released a range of humidity and temperature sensors with ATEX certification for use in potentially explosive atmospheres and areas with combustible dust, for category 1G, 1/2G and 2D equipment. The sensors consist of a sensor part with a sintered filter (both made of stainless steel) on a robust die-cast aluminium housing (transmitter part). The sensors are used to measure relative humidity and/or temperature in air and other non-aggressive gases in explosion hazardous areas and in locations with inflammable dust.

Connection to a non-intrinsically safe circuit for humidity (F*C3.Ex/8) and for temperature sensors (T*C3.Ex/8) is achieved with a 1-channel transmitter power supply unit, and for the combined humidity and temperature sensors (K*C3.Ex/8) either with a 2-channel or with two 1-channel transmitter power supply units with galvanic isolation between input and output circuits and power supply.

These IP65-rated humidity/temperature sensors provide two analog outputs of 4–20 mA with an accuracy of ±2% for 5–95% RH at 10–40°C and temperature accuracy of ±0.2K at 23°C. The MELA humidity/temperature sensor can be mounted in the wall of the hazardous area with class 1 requirements by using assembly kit ZA 40.

Possible applications for these types of sensors include those in industries such as chemicals, pharmaceuticals, pulp and paper, and mining and in application such as drying, environmental monitoring and paint shops.

Online: www.slentech.com.au
Phone: 03 9837 5203
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