Principle:- Resistance Measurement
Measuring Range:-3.5% to maximum over 40% 
Accuracy :- ± 0.2% 
Temperature Compensation :-Automatic with PT-l00 temperature sensor. 
Error conditions:- Under & Over Range etc. Displayed 
Display:- 3 digits LED display. 
Size (L x B x H in cm) :- 45x25x33 cm (approx.)
Weight :- 24 Kg. (Approx) 
Power:- 9V DC Adaptor for 220 volt AC mains or 6(R-20 type) dry cells. (supplied without dry cells)