直流测量准确度（通过 GPIB 或前面板电表，相对实际输出，25C＋/-5C）
电压电流高电流量程＋3A 至 5A＋20mA 至＋额定 1-20mA 至-额定 1中电流量器-1A~＋1A
低电流量程-20mA 至＋20mA.03%＋5mV0.2%＋0.5mA 40.2%＋1.1mA-0.1%＋2.5mA0.03%＋5mV0.2%＋0.5mA0.2%＋1.1mA-0.1%＋2.5uA0.02%＋15mV0.02%＋3mA----0.03%＋5mV0.2%＋0.5mA--0.1%＋0.2mA0.1%＋2.5uA0.02%＋15mV0.2%＋3mA-----0.03%＋5mV0.2%＋0.5mA--0.1%＋0.2mA
电压电流高电流量程＋3A 至 5A＋20mA 至＋额定 1-20mA 至-额定 1中电流量器-1A~＋1A
低电流量程-20mA 至＋20mA.03%＋5mV0.2%＋0.5mA 40.2%＋1.1mA-0.1%＋2.5mA0.03%＋5mV0.2%＋0.5mA0.2%＋1.1mA-0.1%＋2.5uA0.02%＋15mV0.02%＋3mA----0.03%＋5mV0.2%＋0.5mA--0.1%＋0.2mA0.1%＋2.5uA0.02%＋15mV0.2%＋3mA-----0.03%＋5mV0.2%＋0.5mA--0.1%＋0.2mA
