The instrument adopts the single chip microcomputer technology, consists of automatic-synchronization digital millisecond meter, logic control unit, multi-function digital display unit, high- accuracy data acquisition and processing unit, current and voltage output unit, overload, outrange protection unit and so on with self-prepared printing and display and full-automatic test process, greatly improving the measurement accuracy and work efficiency.

The instrument also has the advantages of beautiful appearance, reliable performance, easy operation, complete functions and so on and is the ideal instrument for verification of relay protection device.

1. AC output voltage

0-250V continuously adjustable, maximum output capacity 600VA, overrange protection 260V, error±1%.

2. AC output current

0-50A, 0-100A continuously adjustable, error±1%.

Within 0-50A, open circuit voltage 10V.

Within 0-100A, open circuit voltage 5V. Overload protection action current 120A.

3. DC output voltage

0-250V continuously adjustable, maximum current 2A, overrange protection 260V, overload protection action current 2.1A±5%. Ripple factor S≤0.1％

4. DC output current

0-200mA　0-5 A continuously adjustable, error±1%.

Within 0-200mA, open circuit voltage 48V, overload protection action current 230mA.

Within 0-5A, open circuit voltage 24V, overload protection action current 5.2A.

5. DC voltage fixed output

When separately output 110V or 220V, the current can reach 2.5A, but when outputting together with the AC voltage and current and DC voltage. The total capacity shall not be over 600VA and the error±1%.

6. Digital millisecond meter

Maximum measuring range: 100h

Resolution: 0.01ms

Accuracy: 0.01％±1 digit

7. The meter precision adopts four digits and half A/D conversion, accuracy 0.1% reading ±1 digit

8. Complete machine measurement accuracy: ≤1%

9. Volume: 440 mm×320 mm×280mm

10. Weight: 18kg