概况
871电桥专用电源是一台稳压、稳流电源，是专为QJ19、QJ36等电桥而设计，具有极高的稳定性,是一台理想的计量器具的辅助电源。
电源技术指标
1.输出电压：（≤1A）                                                        0  ～  30  V                                  
2.输出电流：（≤3V）                                                          0  ～  10A                              
3.输出稳定性：  通电预热1～2小时，                        ≦1×10-3/min
4.输入交流电压:                                                                  220V
5.功耗:                                                                                  ≤65w