ammeter 专八

1.The newly fitted parts are the current overlad automatin protection system,the direct viewing ammeter and the power-supply control switch.

新设电流过载自动保护统，直观式电流表及电源控制开关。

2.lnside mounted braker,AC contactor,time relay,thermal-relay,current mutual-eter,ammeter,changeover switch and indicator.

内装断路器，交流接触器，时间继电器，热继电器，电流互感器，电压表，电流表、转换开关，指示。

3.The main structure have:Electromagnet and Heng galvanism source, numerical type Gauss account(the effect of Huo Er) and ammeter and volt account, have control dish of illuminate the system.

结构有：电磁铁和恒流电源、数字式高斯计 （霍尔效应）、安培计和伏特计、配有照明统的控制盘。