直流电路中怎么测量毫安，4-20mA

引用

引用第4楼ffd001于2014-08-27 17:25发表的  :
有钳流表，不过价格实在是猛，单位报销的话可以考虑

直流电流能用钳流表？

引用

引用第8楼ffd001于2014-08-27 18:48发表的  :

大惊小怪，还有直流电流互感器

查了一下，还真有直流钳形表。
看来我真 OUT 了

2. SPECIFICATIONS
2.1 Electrical Data
(All accuracies stated at 23°C ± 1°C)
LH41
Measuring Range............... 0 - 40 A DC or AC pk
Autoranging........................ 4A / 40A
Resolution.......................... 1 mA in 4 A range
                                            10 mA in 40 A range
Accuracy
Basic Accuracy .................. ± 1.3% rdg ± 5 digits
Temperature coefficient ..... ± 0.05% of rdg / °C
Frequency range................ DC in DC
                                           40 Hz to 400 Hz in AC
Overload capacity .............. 150 A
Dielectric strength .............. 3.7kV RMS. 50 Hz 60s
(EN61010-2-032 Cat III, 300V Pollution Degree 2)