ACE Instruments offers Humidity, Temperature & Differential Pressure Indicator. ACE Instruments offers products for various industrial process control instrumentation like pressure, temperature, relative humidity, etc. The Humidity, Temperature & Differential Pressure Indicator is 3 in 1 Transmitter. It is available with different types of sensors like Polymer sensing for Temperature, Capacity polymer sensing for Relative humidity and Piezo Resistive Sensor for Differential Pressure. It is also offered in various ranges like -30 to +50 Deg. C typical for Temperature, 10 to 95 percent RH typical for Relative humidity and -100.0 to +100.0 mm W.C.