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Bwr-04 Transformer Winding Temperature Thermometer Controller 1
Bwr-04 Transformer Winding Temperature Thermometer Controller 2
Bwr-04 Transformer Winding Temperature Thermometer Controller 3
Bwr-04 Transformer Winding Temperature Thermometer Controller 4
Bwr-04 Transformer Winding Temperature Thermometer Controller 1
Bwr-04 Transformer Winding Temperature Thermometer Controller 2
Bwr-04 Transformer Winding Temperature Thermometer Controller 3
Bwr-04 Transformer Winding Temperature Thermometer Controller 4

Bwr-04 Transformer Winding Temperature Thermometer Controller

Basic Info.

Model NO.
BWR-04
Display Type
LCD
Accuracy
1
Material
Bimetallic
Display
Pointer
Afford
Four Set of Switch (AC250V/15A)
Output
(4-20)Ma Electricity Signal to Be The Input
Indicate
The Temperature of Transformer Winding
Transport Package
Wooden Cases
Specification
Celsius, Fahrenheit, Celsius/Fahrenheit, IEC, ISO
 
Origin
Ningbo China.
HS Code
8
Production Capacity
50000 Sets/Year

Packaging & Delivery

Package size per unit product
58.00cm * 49.00cm * 29.00cm
Gross weight per unit product
9.600kg

Product Description

Product introduction:
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
controlling mode  upper limit contact
setting range: adjustable within the work span
contact capacity AC220V,3A
output:  DC(4-20)MA 


5.0
design customization
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