Among the methods of measuring inner-resistance of micro-ampere-meter with the substitute method is the most simple one.
在测量微安表内阻的众多方法中，替代法是最简单的方法。
2
A new micro-ampere detector, which USES the data amplifier to enlarge the weak signal, is developed according to the principle of the ampere detection and the potentiostat.
根据安培检测和恒电位器原理，利用数据放大器采集放大微弱信号，研制了一种新型微安培检测器。
3
Five nanogenerators working together produced about 1 microampere output current at 3 volts about the same voltage generated by two regular AA batteries.