Accuracy: 0.01
Number of meter position: 3-6
Used for the test of standard meter and mounted meter with a accuracy class below 0.05,

Accuracy: 0.02
Number of meter position: 3-20
Used for the test of standard meter and mounted meter with a accuracy class below 0.1,

Accuracy: 0.05
Number of meter position: 3-48
Used for the test of three phase and single phase I-P open link meter

Accuracy: 0.05
Number of meter position: 3-48
Used for the test of three phase and single phase I-P close link or I-P open link meter.

Accuracy: 0.05
Number of meter position: 1-6
Used for testing and calibration of single / three phase clamp CT meter, including on-site installed meter and portable standard meter.

Accuracy: 0.05
Number of meter position: 3-96
Used for testing various single phase electric and mechanical meter,

Accuracy: 0.05
Number of meter position: 3-64
Multiple switchable channels for current output,
Used for testing 2 or 3 elements single phase mechanical and electric meter,

Accuracy: 0.05
Number of meter position: 3-48
Two current sources, used for testing 1P2W / 1P3W or 3P3W mechanical and electric meter,

Accuracy: 0.05
Number of meter position: 3-48
Double current channels with ICT isolation
Used for 2 element single phase mechanical and electric meter,