The ZBWR3-04 series transformer winding thermometer is a third-generation winding thermometer developed by Zhuhai Zretek Electric Power Technology Co., Ltd. This thermometer features a combined structure, using imported Bourdon springs as the temperature sensing element, with high accuracy, high reliability, and flexible configuration. The ZBWR3-04 series thermometer can completely replace domestic and foreign brands of thermometers, offering more flexible configurations that better suit the usage habits of Chinese customers. This thermometer is equipped with functions for winding 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 the detection point is ±2.25℃)

 - Micro switch: 4~6 customizable

 - 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 probe size: Φ15×150 mm

 - Installation thread: M27×2 mm or customized

 - Analog temperature rise circuit: built into the composite sensor

 - Universal ballast: built into the composite sensor

 - Current input range: 0.6~5A

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

 - Protection level: IP55

 - -Combined design, easy to use

 - - Uses imported Bourdon spring temperature sensing element, high accuracy

 - - Can be flexibly matched according to on-site conditions

 - - Composite sensor with built-in universal ballast, simpler wiring

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

 - - Good mechanical fatigue resistance, high reliability

 - - 100% replacement for imported AKM and domestic similar thermometers