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2026
Why Can't Air Release Be Confused with Anti Foam?

Why Can't Air Release Be Confused with Anti Foam?

Among the quality supervision indicators of power oil, gear lubricant and construction machinery hydraulic oil, "foam characteristics (anti foam performance)" and "air release value" are two analysis items that often appear in parallel on the test report.Since both involve the in

2026
Why Can't the Voltage Tester Be Grounded with a Neutral Wire? Thoroughly Explain the Common Sense of Safety Regulations

Why Can't the Voltage Tester Be Grounded with a Neutral Wire? Thoroughly Explain the Common Sense of Safety Regulations

In the testing procedures for substation maintenance, complete power distribution, and various factory electrical equipment, "reliable and good grounding" is always listed as the primary mandatory safety clause.When reading the safety precautions for the HZGPNET-1KVA/3KV power frequency wi

2026
Why Choose Infrared? Comparison of Infrared and Electrochemical Leak Detection Technologies

Why Choose Infrared? Comparison of Infrared and Electrochemical Leak Detection Technologies

In the procurement list for substation maintenance, the "SF6 leak detector" is a commonly used tool with high frequency. But before purchasing, looking through the technical manuals of various manufacturers, one often sees two major technical routes: "electrochemical principle" a

2026
4-Hole Large Capacity! High Separation Efficiency for 4 Samples Simultaneously

4-Hole Large Capacity! High Separation Efficiency for 4 Samples Simultaneously

In the central control room of large-scale refining and chemical bases, third-party lubricant testing and certification agencies, and regional electrical testing laboratories, "sample pressing and queuing" is a major challenge that is normalized.According to the national standards GB/T 730

2026
How to Maintain the Battery During Daily Maintenance?

How to Maintain the Battery During Daily Maintenance?

In the understanding of many novice electricians and junior operation and maintenance personnel, "battery maintenance" is often equated with "measuring terminal voltage with a multimeter and wiping dust off the battery casing with a cloth". However, the experienced team leaders w

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