仪表型号
测 量 范 围
直 流 电 阻
电 感
D19-mA
10/20mA
25/50mA
50/100mA
100/200mA
150/300mA
250/500mA
≈3400/850Ω
≈540/135Ω
≈124/31Ω
≈28/7Ω
≈14/3.5Ω
≈4.4/1.1Ω
≈2400mH/600mH
≈400mH/100mH
≈120mH/30mH
≈24mH/6mH
≈16mH/4mH
≈4mH/1mH
T19-A
0.5/1A
1/2A
2.5/5A
5/10A
≈1.08/0.27Ω
≈0.28/0.07Ω
≈0.08/0.02Ω
≈0.02/0.005Ω
≈1.2mH/0.3mH
≈0.24mH/0.06mH
≈0.04mH/0.01mH
≈0.012mH/0.003mH
T19V
7.5/15V
15/30V
30/60V
50/100V
75/150V
150/300V
300/600V
≈15/60Ω
≈60.5/250Ω
≈240/960Ω
≈666/2664Ω
≈1250/5000Ω
≈5000/20000Ω
≈12000/48000Ω
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