What conditions and standards require the use of a temperature rise meter?

Author : Zhang

Update time : 2023-10-09 17:08:16

The temperature rise test is an experimental method used to assess the thermal performance and stability of electrical equipment or its constituent parts. During normal operation of electrical equipment, a certain amount of heat is generated due to the passage of electric current through the resistors, capacitors, windings and other constituent parts of the circuit, resulting in an increase in the temperature of the parts. If the temperature of these components rises too high, it may cause damage to electrical equipment, failure, or even fire and other safety Therefore, it is necessary to carry out temperature rise test on electrical equipment or its components to ensure its safety and reliability under normal use conditions.

SH9408A multifunctional temperature rise measuring instrument based on GB2099 and UL498 and other electrical accessories of the relevant standards developed. It can be used to assess the temperature rise of the surface of electrical accessories when connected to load current. Condition, the electrode temperature rise is based on the standard requirements, can effectively detect the plug and socket socket sleeve is thin, plug and socket with good. It can also be compatible with the temperature rise test of circuit breaker. The temperature rise value is calculated automatically and recorded automatically, and the start time and end time of the test can be set and the steady state conditions can be set.

This tester consists of current regulation control part and temperature sampling measurement part.
I. Main Technical Parameters
1、Output current: AC1~100A±1%F.S..
2, temperature range: 0 ^ 100C, accuracy ± 1C (without coupling);
3、Measuring point: 8 ways; 4、Power supply: AC2.5V; 4、Power supply: AC2.5V
4、Power supply: AC220V/50Hz.
Working conditions
1、Power supply voltage: AC220V±10%, 50Hz.
2、Ambient temperature: +5C~ +40C.
3, Instrument warm-up time: about 15 minutes.
Safety performance
1, insulation resistance: shell, power supply input terminal between each other is greater than 2MΩ.
2、Voltage resistance: 1 minute voltage resistance 1500V between power input and shell, 10mA calibration current.
Fourth, the instrument dimensions and weight
1, instrument external dimensions (width X height X depth): 340mmX 140mX 390mm
2、Weight:about 10kg.

Temperature rise test through 'often need to be carried out under specific conditions, such as setting a - certain electrical parameters (voltage, current, frequency, etc.), and electrical equipment or its constituent parts energised and run for a period of time, measuring the surface temperature change. The surface temperature changes are measured. The temperature data obtained from the measurement can be used to assess the thermal performance and stability of the electrical equipment or its constituent parts, and to judge whether they comply with the safety standards and design requirements. At the same time, the temperature rise test can also be used in conjunction with At the same time, the temperature rise test can also be combined with other test items, such as current, voltage, power, efficiency and other tests, to assess the overall performance of electrical equipment.

The temperature rise test is a very important part of the manufacturing and use process of electrical equipment. Firstly, the temperature rise performance of electrical equipment and its constituent parts is an important factor that directly affects the safety and reliability of electrical equipment and must be adequately verified. important factor that must be fully verified and confirmed. Secondly, the results of temperature rise test can also provide a basis for the optimal design of electrical equipment and the improvement of production processes, so as to improve product quality and performance. Finally, for electrical equipment that needs to comply with relevant safety standards and regulations, temperature rise test results can also be used as an important reference for product certification and compliance assessment.

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