毫安（安培），伏特表

儀表型號

測 量 范 圍

直  流  電  阻

電      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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