Chinese manufacturer temperature sensor NTC for temperature measurement in building automation Description The KTT110 series duct mount transmitter is a low-cost temperature transmitter designed for temperature measure-ment in the HVAC field;it is suitable for building automation systems(BA systems) in commercial buildings and otherconventional buildings IP65 degree of protection facilitates simultaneous outdoor measurements;the transmitter output has 4-20mA,0-10V and RS-485.