The manufacturer of Fibre Optic Temperature Sensor, Temperature Monitoring System, Professional OEM/ODM Factory, Wholesaler, Supplier.customized.

E-mail: fjinnonet@gmail.com    |    

Dry Type Transformer Temperature Controller/Temperature Controller/

Dry type transformer state monitoring device

Temperature range:-40.0℃~200.0℃

Ambient temperature:-28ºC~+80ºC

Ambient humidity:<95% (25ºC)
Working voltage:AC220V/DC220V;(-15%~+10%)

Working frequency rate :50Hz OR 60Hz(±2Hz)

Measurement accuracy :±1%FS(Thermostat level 0.5,Sensor class B)

Resolution ratio :0.1ºC

Control contact capacity :5A/AC250V

Fan contact capacity :6A/AC250V(COSφ=0.4);

Installation method:Embedded system;

Production standards:JB/T7631-2005 Electronic temperature controller for Transformers”Industry standards

Adoption of accreditation standards:ISO9001:2008 International Quality Management System Certification

Pass the test standard:IEC61000-4:1995 International standard
GB/T17626-2008 Electromagnetic compatibility test and measurement techniques”standard

  • Product Details
basic function Provide temperature measurement for three windings; Automatic/manual start stop cooling fan function; Digital compensation function for display values of each channel; OLED liquid crystal display; LED display light; Operating keyboard; Clock function;
Provide black box function, capable of recording temperature data, historical highest temperature, time, and status during 10 power outages;
Provide transformer cabinet door opening alarm function;
Provide 1 pair of over temperature alarm contacts (normally open);
Provide 1 pair of over temperature trip contacts (normally open);
Provide 1 pair of temperature controller fault alarm contacts (normally open);
Provide Ethernet communication function (MODBUS-TCP protocol), communication with time stamps, and can receive time synchronization;
additional function F: Provide RS485 communication function (MODBUS-RTU protocol), communication with time stamps, capable of receiving time synchronization;
I: Core temperature measurement function, providing 1 pair of core temperature measurement alarm contacts (normally open);
E: Provide 4-channel 4-20mA analog current output function;
L: Fan fault diagnosis function, providing 1 pair of fan fault alarm contacts (normally open);

Characteristics of dry-type transformer state monitoring device

The protection level is IP65.
Working environment temperature: -25 to+80 ℃
The contact output capacity is large.
The thermostat uses an ARM architecture CPU, which has strong data processing capabilities and system stability.
OLED LCD screen, digital and Chinese display, button operation, LED signal indication display.
The circuit board design concept of the thermostat is modular design, with strong and weak electricity separated to avoid spatial crosstalk.
The thermostat contains a clock chip and historical data storage with time stamps.
RS485 communication function, the communication protocol is the internationally open standard protocol Modbus RTU.
Ethernet communication function, communication protocol is the internationally open standard protocol Modbus TCP.

Prev:

Next:

Inquiry

    Leave a message