Series HHT is offered in explosionproof and intrinsically safe versions, depending on the application requirements. The explosionproof model has 4 to 20 mA outputs for both temperature and humidity. Both versions of the hazardous-area temperature and humidity transmitter have an optional two-line alphanumeric LCD display to show the current humidity and temperature..

Dwyer Instruments Inc., (800) 872-9141

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