ASTM E780测量室温时绝缘矿物,铠装金属热电偶和热电偶电缆绝缘电阻标准试验方法
日期:2012-02-08 11:05
ssarily be repeatable.
1. Scope
1.1 This test method provides the procedures for measuring the room temperature electrical insulation resistance between the thermoelements, and between the thermoelements and the sheath, of a mineral-insulated, metal-sheathed thermocouple or thermocouple cable. It may be used to measure the insulation resistance of bulk lengths of thermocouple cable previously sealed against moisture intrusion or to test a thermocouple having an ungrounded class 2 junction. This
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