The main function of a) multi-channel wireless measuring temperature display real-time data, the proposed power distribution room with a wireless temperature sensor using the same electrical junction temperature display terminal acquisition, display data. 2) the alarm temperature, the lower limit and two relay delivery function. 3) has the system date, time, date, and time with automatic leap year conversion. 4) has a device parameter configuration features that can be programmed to set the main parameters. 5) With RS485 communication interface, the Ethernet interface can be customized for special applications. 6) contact thermometer wireless acquisition, storage and display functions. 7) data communication capabilities, all data can be uploaded to the primary collector or uploaded to the host computer system via a data communication bus. 8) Scalable alarm function (requires sound and light alarm or alarm devices assist). Technical parameters 1) Power supply: 12VDC. 2) Temperature channels: a stand-alone system supports 1-120 measurement points, measurement points can be expanded. 3) Working temperature: -20 ℃ ~ + 70 ℃. 4) Operating humidity: ≤95% RH. 5) alarm output: passive output (load <300W). 6) Communication interface: RS485 interface, using MODBUS-RTU communication protocol, a start bit, eight data bits, no parity, one stop bit. The baud rate can be set to 1200bps, 2400bps, 4800bps, 9600bps. Such as custom Ethernet communication interface, enabling the device group within the Ethernet network communication. 7) electrical contact temperature display during the open communication distance between the terminal and the wireless receiver module: up to 500 meters. 8) RS485 communication distance: <1200 m. 9) contact temperature measuring range: -20 ℃ ~ 150 ℃. 10) Temperature accuracy: ≤ ± 2 ℃. 11) Temperature display resolution: 1 ℃. Contact: Chen TEL: 18666961673 QQ: 2684986824