Intelligent Dry-Type Transformer Monitor is designed for the safe operation of dry-type transformer. It can automatically operates the fan's relay according to the temperature. By comparing the current temperature to a pre-selected temperature, the monitor operates an alarm and the relay trips to keep the transformer running safely.
Intelligent dry-type transformer monitor
Model Number:SR-Q series
Dimension:200×260×85(mm)
Hole size:181×231(mm)
technical index:
| Ambient temperature: |
-20ºC~+55ºC |
| Ambient humidity: |
< 95% (25ºC) |
| Working voltage: |
AC 220V (+10%,-15%) |
| Working frequency rate: |
50Hz OR 60Hz(±2Hz) |
| Range of measurements: |
-30.0ºC~240.0ºC |
| Measurement accuracy: |
±1%FS(Thermostat level 0.5,Sensor class B) |
| Resolution ratio: |
0.1ºC |
| Fan output total capacity: |
9A/250VAC |
| Control output capacity: |
5A/250VAC;5A/30VDC(resistivity) |
| Power dissipation: |
≤8W |
Standard of Execution:
| Production standards |
JB/T7631-2005"Electronic temperature controller for Transformers"Industry standards |
| Adoption of accreditation standards: |
ISO9001:2008International Quality Management System Certification |
| Pass the test standard: |
IEC61000-4:1995 International standard |
| |
GB/T17626-2008"Electromagnetic compatibility test and measurement techniques"standard |
Product Selection:
| model |
function |
| SR-*201D |
- Monitor up to three dry-type transformer windings;
- Display maximum temperature;
- Built-in fan control, fan exerciser;
- Alarming function and relay output control;
- Trip function and relay output control;
- Automatic fault detection function;
- Historical record function;
- Range in temperature revise;
- Self-inspection;
- Switch input judging function.
|
| SR-*201*E* |
4-20mA output for integration with SCADA systems. |
| SR-*201*F* |
RS485 or RS232 serial communication function. |
| SR-*201*G* |
An additional sensor is added to measure the ambient temperature. |
| SR-*201*I* |
An additional sensor is added to measure the temperature of silicon steel sheet. |
| SR-*201*L* |
Add fault detection and alarm function of the fan. |
| SR-*201*C* |
Add one pair of PTC to measure temperature. |
| SR-*201*N* |
Add RJ45 Ethernet Communication function. |
| SR-*201*P* |
Add Profibus communication function. |
| SR-*201*H* |
Add one path humidity measurement and control function. |
| SR-*201*TH |
Add anti-mold, moisture-proof, anti-salt fog and other measures. |
Remarks:
1,The above models have all the functions of SR--201D.
2,*Represents shape specifications,for instance:SR-S201F,S represents plastic case,2 represents AC220V working power supply ,F represents communication function;
3,Function codes can be combined. The order is E,F,G,I,L,C,N,P,H,TH . If only include L, C, TH functions, add D before the code;
4,Temperature controller model:SR-S201EF,Its function includes three independent 4~20mA analog current output and RS485 serial communication function.
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