AW3020A is temperature and humidity transmitter ,which is current-type and wall-mounted. it adopts the first high-quality capacitive digital sensor developed by Aosong. The sensor has the characteristics of high measurement accuracy, strong anti-interference ability and high stability, which effectively guarantees excellent products. Measuring performance. The measuring range of the device is wide, it can be applied to most industrial-grade environments; equipped with large display screen, real-time display of temperature and humidity monitoring values; internal design with alarm function module, can realize high and low temperature humidity sound and light alarm; temperature output range can pass The system menu is freely set; the output signal is output with industry standard 4~20mA current signal, which is an excellent industrial temperature and humidity transmitter.