The temperature data of transformer A, B, C and iron core are monitored and displayed in real time by high reliable and high precision double-loop temperature sensor. And has 4 4 ~ 20mA current loop synchronous output function; 485 communication remote background monitoring; Tripping or alarm contact can also be started when the transformer overtemperature occurs; In addition, the device also supports fan disconnection alarm, box open alarm and "black box" intelligent data storage and other functions.

External dimension of device

● Single or double groups of the same or different temperature sensor, accurate temperature measurement, reliable action;

 ● Supports up to 4 channels of 4 ~ 20mA synchronous output;

 ● The capacity of overtemperature alarm and trip relay is optional, up to AC250V/8A or DC220V/5A;

 ● "Black box" intelligent record data, data is safer, fault time information perfect reproduction;

 ● Fan fault disconnection alarm, intelligent judgment fan circuit is normal;

 ● Double open signal input, support box open alarm, support custom;

 ● All parameters can be set by menu, friendly man-machine interface.

Main technical parameters of the product

● Power supply: AC220V

Low power consumption: < 15 w

● Resolution: 0.1℃

● Measuring temperature range: 0-200℃

● Ambient temperature: -10~+5℃, relative humidity <90%RH

● Control parameter setting: all parameters can be set by menu

● Sensor wiring mode: three line system

● Control and signal output:

Fan control: double contact passive contact output, single contact capacity AC250V/8A. Overtemperature alarm: passive contact output, default AC250V/8A, can be customized to DC220V/5A.

Overtemperature trip: passive contact output, default AC250V/8A, can be customized to DC220V/5A.

Fault alarm: passive contact output, AC250V/5A.

● Communication port: RS485 or RS232.