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
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
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
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
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