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