supply of digital circuit breaker time interval meter (kit) , digital circuit breaker time interval meter (kit) with features and specification as below: no of phases: 3/4 phases, breaks per phase:1, timer range: 0.1 ms to 9999.9 ms, resolution: 0.1 ms, accurac y: 0.05%+/- 1 digit, display: 4 line backlight lcd display pc interface: usb memory: 100 test results, mains : 90v to 250v +- 10%, 50/60 hz, rechargeable battery: 12v, 7.6ah or better, operating temperature 0 to 5 0 degree centigrade, humidity <=95%rh at 400c max. modes: c, o & c-o with bounce time, suitable for measuring up to 220 kv ratings, accessories: main cord, user manual, (test leads minimum length: 10 met ers each, control and earthing cables: 5 meters each) with calibration certificate [ warranty period: 30 m onths after the date of delivery ] ]