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Home > Products > Transformer Spare Parts > Transformer Thermometer > Transformer Winding Temperature Thermometer Controller

Transformer Winding Temperature Thermometer Controller

Basic Info

Model No.:  BWR-04

Product Description

Model NO.: BWR-04 Afford: Four Set of Switch (AC250V/15A) Accuracy: 1°C Material: Bimetallic Specification: Celsius, Fahrenheit, Celsius/Fahrenheit, IEC, ISO HS Code: 8 Indicate: The Temperature of Transformer Winding Output: (4-20)Ma Electricity Signal to Be The Input Display: Pointer Trademark: VILLE Origin: Ningbo China. Model BWR-04 series transformer winding temperature indicator is special designed for oil transformer. It is a special-purpose indicator using the simulated temperature measurement technique to measure the temperature of the winding of transformer.
T1 is the temperature of transformer winding which is T1=T2+T, where, T2 is the oil temperature in upper part of the transformer, T is the raise of oil temperature. The T decided by the electricity of the transformer winding. After the transformer is loaded, the current which is taken form the Current Transformer (CT) is first adjusted by the converter, and then flows through the heating element embedded in the elastic unit, where, the current is proportional to the load. The energy produced by the heating element increases the displacement of he elastic unit; Therefore, the displacement of the elastic unit depends not only on the oil temperature of the transformer upper part but also the loading current. The temperature indicated by the BWR-04 is the summation of the oil temperature of transformer upper part and the winding temperature rise over oil, reflection the average value of the hottest portion temperature of the measured transformer winding.
Main technical parameters:
1)Normal working condition: (-40~+55)º C
2)Range of measurement: (0~150)º C
3)Indication accuracy: +-3º C
4)Controlling capability:
1. Setting range: Adjustable within the work span
2. Setting accuracy: +-3º C
3. Switch difference: 6+-2º C
4. Rated power: AC250V/15A
5) Standard setting point:
K1=55º C K2=75º C K3=90º C K4=130º C
6)Protection performance: IP55
Convertor main technical parameters:
1) Normal working condition: (-40~55)º C
2)Protection performance: IP55
3)Main technical parameters refer table 1
XMT-288FC-III Main technical parameters: Ran
1. Normal working condition: (-10~50)º C
2. Measuring range: (0~150)º C
3. Input signal: DC(4-20)MA
4. Accuracy: 1.0
5. Resolution ratio: 0.1º C
It can be made with RS232, RS485 or other output signal according to customer's order

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