直流电压表与电流表
在电子电路的调试和故障检查过程中,往往需要对直流量进行测量,一般都要使用直流电压表和直流电流表。
1.直流电压表
直流电压表用于测量直流电压,它有不同的量程和外形,常见的有方形、方圆形、矩形、矩圆形和导轨式等,如图2-1所示。
⒉.直流电流表
直流电流表用于测量直流电流,它也有不同的量程和外形,常见的有方形、方圆形、矩形、矩圆形和导轨式等,如图2-2所示。
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