The ZBWY3-804 series transformer oil surface thermometer is a third-generation oil surface thermometer developed by Zhuhai Zretek Electric Power Technology Co., Ltd. This thermometer features a modular structure, using imported Bourdon springs as the temperature sensing element, characterized by high accuracy, high reliability, and flexible configuration. The ZBWY3-804 series thermometer can completely replace domestic and foreign brands of thermometers, offering more flexible configurations that better align with the usage habits of Chinese customers. This thermometer is equipped with functions such as oil temperature measurement, cooler control, alarm signal output, and remote signal output.

 -Working conditions: Ambient temperature:-40～+60℃, relative humidity≤100%,Altitude≤2000m

 - Measurement range: 0～160℃, or -20~140℃

 - Accuracy: Class 1.5 (maximum allowable error at detection point is ±2.4℃)

 - Micro switch: 4 pieces

 - Micro switch action error: ±2℃

 - Micro switch switching difference: (6±2)℃

 - Micro switch rated power: AC220V / 3A, DC220V/1.5A

 - Output signal: PT-100 resistance signal or 4…20mA signal

 - Temperature bulb size: Φ15×150 mm

 - Installation thread: M27×2 mm or customized

 - Capillary length: standard 6m, customizable up to 18 meters

 - Protection level: IP55

 -Modular design, easy to use

 - Uses imported Bourdon spring temperature sensing element, high accuracy

 - Flexible configuration of the temperature measurement system based on site conditions

 - Third-generation design, more suitable for the needs of Chinese customers

 - Good mechanical fatigue resistance, high reliability

 - 100% replacement of imported products and domestic similar temperature measurement products