oil level temperature Transformer winding thermometer  BWR-04JJ(TH) is a transformer instrument designed with the principle of composite temperature rise. Suitable for temperature detection and control of transformers and other equipment. The instrument has good protection performance and can work normally under outdoor conditions. There are four to six sets of adjustable control switches inside the instrument, which can be used for the cooling system control of the transformer and signal alarm, over-temperature tripping, etc. Through the temperature transmitter or Pt100 platinum resistance embedded in the primary meter, it can output DC (4-20) mA current signal or Pt100 platinum resistance signal corresponding to the temperature value for use by computer systems and secondary instruments.

 

 

Technical Parameters of oil level temperature Transformer winding thermometer  BWR-04JJ(TH)

Temperature transmitter power supply: AC/DC (100-260) V, frequency 50Hz;

Output signal: passive or active DC (4-20) mA current signal;

Working conditions: ambient temperature (-40～+55) ℃, relative humidity ≤95%RH;

Measuring range: (0～150)℃;

Accuracy: Level 2.0 (according to standard JB/T8450-2005);

Switch performance: four sets of adjustable switches, the switches can be set arbitrarily within the full range (up to 6 sets of switches according to user requirements);

Switch action point: K1=50°C, K2=75°C, K3=100°C, K4=120°C;

Switch action error: ±2°C, switch switching error: (6±2)°C;

Switch rated power: AC220V/5A, DC220V/3A;

Temperature bulb size: Φ14, insertion depth not less than 150 mm;

Mounting thread: (M27×2)mm or (M33×2)mm;

Capillary length: 6m, 18m can be made according to user requirements;

Protection level: IP55.

 

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