Tunkia TD1550 DC Energy Meters Verification Device

• Accuracy: class 0.02, class 0.05
• DC standard voltage source:10 mV~1150 V / 1550 V(option)
• DC standard current:1 mA~600 A
• DC small signal voltage source(four-line):10 μV~4.4 V
• Optional 3 or 6 meter position DC electric energy meter and DC shunt calibration stand
• Standard electric energy pulse input/output, used to detect the working error of electric energy meter