I. Configuration

1. Whole instrument controlled by high speed SCM, high automatic degree and simple operation.

2. The instrument adopts advanced power supply technology, with multiple current position, test range is wide, suitable for testing DC resistance of large and medium size transformer.

3. Has a complete circuit protection, reliable.

4. Discharge alarm, discharge indicator clear, reduces misuse.

5. Quick response speed, can be directly converted to load tap switch at measuring state, the instrument automatically refresh data.

6. Intelligent power management technology, instrument is always working at minimum power state, effective energy saving, reduce heat.

7.320 x240 matrix of ultra small pixel 65K true color LCD.

8.With calendar clock and power storage, can store 1000 groups data, can be check at any time.

9.With RS232 and USB interface, computer communications and U disk storage.

II. Technical Data

1. Output current：<5mA、2.5A、5A、10A、20A、40A

2. Resolution：0.1μΩ

3. Range：50μΩ～500mΩ  （40A）

                 100μΩ～1Ω    （20A）    

      500μΩ～2Ω    （10A）

　　          1mΩ～4Ω       （5A）

      2mΩ～8Ω       (2.5A）                                                         

      10Ω-20KΩ      （<5mA）

4. Accuracy：±(0.2%+2 Readings) 

5. Operating temperature：0~40℃

6. Ambient humidity：≤90%RH，(non condensed)

7. size:400mm*225mm*350mm.

8. Instrument weight :13kg, wiring case:6.5kg.