I. Introduction

　　High and low temperature coolant tester is an important equipment used to test the performance of products under extreme temperature conditions. In order to ensure the accuracy of the test results and the normal operation of the equipment, the user must strictly follow the prescribed steps to operate, and comply with the relevant precautions.

　　2. Operation and use steps

　　Equipment inspection: Before use, the equipment should be comprehensively inspected to ensure that all components are intact and no abnormal phenomena. Pay special attention to check coolant, heating elements, temperature sensors and other key components.

　　Filling coolant: According to the requirements of the equipment, choose the appropriate coolant, and fill in accordance with the specified filling amount. Pay attention to the type and amount of coolant to avoid damage to the equipment caused by improper use.

　　Set the test parameters: according to the test requirements, set the working temperature and test time of the high and low temperature coolant test machine. Ensure that parameters are properly set to meet test requirements.

　　Place the test sample: Place the sample to be tested in the location specified by the equipment, ensuring that the sample is in full contact with the coolant. Pay attention to the way and position of the sample to avoid affecting the test results.

　　Start the equipment: After ensuring that all the preparatory work is completed, start the high and low temperature coolant test machine and start the test. Observe the device running status to ensure that the device works properly.

　　Monitoring and recording: In the test process, real-time monitoring of equipment operating status and test data, and make records. If any abnormal situation is found, take measures to handle it in time.

　　End of test: After the test is completed, turn off the power of the device and take out the test sample. Cleans and maintains equipment to ensure it is in good condition.

　　Third, precautions

　　Safe operation: When using a high and low temperature coolant test machine, the safe operation procedures of the equipment should be observed to ensure the safety of personnel and equipment. Avoid electric shock, scald and other accidents.

　　Professional training: Operators should receive professional training and be familiar with the structure, performance and operation methods of the equipment. Untrained personnel are not allowed to operate the equipment without authorization.

　　Environment requirements: The device should be placed in a well-ventilated, dry, and dust-free environment. Avoid adverse factors such as direct sunlight and humidity affecting the normal operation of the device.

　　Regular maintenance: To ensure the long-term stable operation of the equipment, the equipment should be maintained regularly. Follow the manufacturer's recommended maintenance cycle and maintenance items, such as replacing coolant, cleaning filters, etc.

　　Troubleshooting: If the equipment fails or is abnormal, it should be stopped immediately for inspection, and contact professional maintenance personnel for maintenance. Do not disassemble or repair the equipment without authorization to avoid more serious damage.

　　Device upgrade and transformation: If you need to upgrade or transform the device, contact the device manufacturer or professional organization for consultation and operation. Avoid device performance degradation or damage caused by unprofessional operations.

　　Iv. Conclusion

　　As an important test equipment, high and low temperature coolant tester plays a key role in product development and quality control process. In the process of use, the user shall strictly follow the prescribed steps and observe the relevant precautions to ensure the accuracy of the test results and the normal operation of the equipment. At the same time, regular maintenance and troubleshooting of the equipment can extend the service life of the equipment and improve the use efficiency of the equipment.