此外，该电阻器还限制回馈安培表的交流增益。
Also, the resistor limits the ac gain of the feedback ammeter.
它可以监测从1到150安培的电流，且能转换最高135伏的交流或直流。
It monitors from 1 to 150 Amperes and switches up to 135 volts AC or DC.
最好使用交流电源供电，并为设备安装保险丝或额定电流小于2安培的自动断路器，自动断路器还必须与其他负载电流电路分离。
It is recommended that AC power supplies to instruments be protected by fuses or automatic circuit breakers rated at not more than 2 Amperes, and must be separated from any load current circuits.
AC适配器(这是交流电源更准确的说法)只是把来自墙上插口的交流电转化为低伏特、低安培的直流电源，并通过USB接口充入手机。
The ac adapter (as it's more accurately known) simply converts the ac current from a wall outlet into low-voltage, low-amperage DC current that it provides via a USB port.
该CTR系列产品提供具有UL认证的交流额定输出功率为每通道25安培，在600伏交流电，交流或直流输入控制下，零电压或随机打开，具有IP20触摸安全构造和内部散热器。
The CTR series offers UL approved AC output ratings of 25 amps per channel at 600 VAC, AC or DC input control, zero voltage or random turn on, and IP20 touch safe construction with integral heat sink.
该CTR系列产品提供具有UL认证的交流额定输出功率为每通道25安培，在600伏交流电，交流或直流输入控制下，零电压或随机打开，具有IP20触摸安全构造和内部散热器。
The CTR series offers UL approved AC output ratings of 25 amps per channel at 600 VAC, AC or DC input control, zero voltage or random turn on, and IP20 touch safe construction with integral heat sink.
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