KTTseries temperature transmitter is a low-cost temperature trans-mitter specially designed for temperature measurement in HVAC field.It issuitable for building equipment automatic control system(BA system)ofcommercial buildings and other conventional buildingsIP65 protectiongrade is convenient for outdoor measurement at the same time. The output model of the transmitter is standard 4-20mA,0-10V,and RS485 output mode can also be selected.