Formerly the arc length error for the insulation resistance instrument is defined by scale arc length. At present national standard determines that the percentage of indicated value expresses it.
The sheathed standard Pt resistance thermometer composed of sensitive element, leads, insulator, and stainless steel protective tube is a die assembly after it was drawn out.
3
按照国家标准GB4706.1 - 1998的要求，在家用电器领域取消了绝缘电阻的试验。
According to National Standard of GB4706.1-1998, Isolation Resistance test has been canceled in home appliance field.
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