欧姆表的电阻值应该超过300，000欧姆。
把测试探针连接到插头1和2，并记下欧姆表读数。
Attach test leads to pins 1 and 2 and note ohmmeter reading.
把测试探针连接到插头5和6，并记下欧姆表读数。
Attach test leads to pins 5 and 6 and note ohmmeter reading.
欧姆表是测量电阻的一种仪表，它被广泛地应用在电气工程中。
An instrument for measuring electric resistance, the ohmmeter is widely used in electrical engineering.
人们把伏特表，安培表，欧姆表集中在一只仪表内是非常方便的。
It is convenient to include the functions of a voltmeter, ammeter, and ohmmeter within one instrument.
把伏特表、安培表、欧姆表的功能集中在一个仪表内是比较方便的。
It is convenient to include the function of a voltage ammeter and ohmmeter within one instrument.
欧姆表的工作(原理)是使一个小电流通过部件，从而测量产生的电压。
Ohmmeters work by passing a small current through the component and measuring the voltage produced.
制作欧姆表透射投影教具，可便于结合投影仪进行欧姆表测量原理的教学。
Making transmission projection experimental realia of Ohmmeter is convenient for teaching Ohm-meter measurement principle with the aid of projector.
从分析实际欧姆表测电阻全过程的误差出发，导出测量不确定度的算式，最后得出表尺最佳段范围。
Analyzing the error of ohmmeter in measuring resistance, the measurement formula of uncertainty is derived, and the best measuring range of ohmmeter is obtained.
既然通断性测试往往涉及到多导线装置，因此利用一套开关系统将欧姆表自动连接到每根导线就非常有用。
Given that continuity testing often involves multi-conductor devices, a switch sys tem is useful to connect the ohmmeter to each conductor automatically.
数字式电压表在测量低于20欧姆的电阻时﹐会因为引脚的电阻而使测量不准确。除非它是一个四线欧姆表。
DVM is not accurate in measuring resistance below 20 ohm due to the lead resistance, unless it is a 4 wired ohm meter.
数字式电压表在测量低于20欧姆的电阻时﹐会因为引脚的电阻而使测量不准确。除非它是一个四线欧姆表。
DVM is not accurate in measuring resistance below 20 ohm due to the lead resistance, unless it is a 4 wired ohm meter.
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