仪表是携带式电动系轴尖轴承支承结构．供直流电路和中频交流电路（４５－１５００ＨＺ）中测量电流，电压及功率之用．仪表测量范围与消耗：仪表型号测量范围功率消耗（瓦）电流线路的有效电阻及电感D9mA-125mA50mA100mA0.26W0.23W0.28W 234mH R 410 60mH R 90 14mH R 27 D9A-10.25/0.5A0.5/1A2.5/5A5/10A1.25/1.75W1.5/2.87W3.4/1.25W6.25/12W 36/9mH R 21/7 7.7/1.9mH R 6.1/2.9 0.31/0.08mH R 0.55/0.25 0.08/0.02mH R 0.25/0.12 仪表型号测量范围功率消耗（瓦）电压线路的额定电流D9V-115/30V50/100V75/150V125/250V150/300V250/500V300/600V6/12W6/12W6/12W6/12W6/12W6/12W6/12W400mA120mA100mA60mA50mA30mA25mA 仪表型号测量范围额定电压 额定电流电流电线的有效电阻及电感电压线路的额定电流D9W-150/100V 75/150V100/200V 0.15/0.3A150/300V100/200/400V50/100V75/150V100/200V 0.25/0.5A150/300V100/200/400V50/100V 75/150V100/200V 0.5/1A150/300V100/200/400V 50/100V75/150V100/200V 2.5/5A150/300V100/200/400V50/100V75/150V100/200V 5/10A150/300V100/200/400V R 14 , L 14.8mHR 0.035 ,L 3.7mHR 1.6 , L 5.4mHR 0.4 , L 1.35mHR 1.6 , L 1.35mHR 0.4 , L 0.34mHR 0.064 ,L 0.0565mHR 0.016 ,L 0.014mHR 0.016 ,L 0.014mHR 0.004 ,L 0.004mH 30mA