1. The equipment meets the relevant requirements of Q/HR 0503 064-2011 standard;

2. This non-standard testing equipment should be designed according to the testing requirements of Party B, specifically developed for the lifespan testing of bimetallic temperature controllers. The machine adopts a PLC processor, computer, and display, and relevant data can be set, displayed, and saved in the interface. The main accessories of the machine are imported and well-known domestic brands, effectively ensuring the overall performance and reliability of the equipment;

3. The controller is powered at rated voltage with a maximum operating current (deviation of ± 5%), and the contacts are opened and closed by raising and lowering the temperature in the test furnace. The maximum operating frequency is 6 times/min, and the closing time is more than 1 second. Each opening and closing is considered as one cycle, and the number of cycles is recorded. The temperature controller is reset using a cylinder