1. The altitude does not exceed 1000 meters
2. The temperature of the surrounding medium should not exceed +40℃
3. The relative humidity of the air is not higher than 85%
4. In an environment that does not contain chemically corrosive gases and vapors
5. In an environment where there is no conductive dust and explosive atmosphere
6. A place without severe vibration and impact.
1. Performance characteristics:
1. Long-term continuous load test can also be output as required;
2. The output current is stable, and the meter indicates clearly, which is convenient for recording data and observing the tested product;
3. The output current is divided into files, and the size of each file is smooth and adjustable, and the lifting control is free, and the adjustment can be continuous;
4. Small size, light weight, flexible movement, convenient operation, suitable for on-site application.
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