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分别测量了采用环氧绝缘和焊接两种不同的热电偶固定方式时,带电铜管道的外壁温度,实验结果表明,当测温仪表具有多通道并联和差动放大的特点时,测温时不用考虑步距电压的影响。
The temperature of the outer wall of the live copper pipe was measured when using two different thermocouple fixing methods, such as epoxy insulation and welding. The experimental results show that when the temperature measuring instrument has the features of multi-channel parallel and differential amplification, Do not consider the effect of step voltage.