supply supply , portable circuit breaker analyzer with 06 channel dcrm for measurement of operation testing of main, pir and auxiliary contacts ( wet & dry ) of cb as well as recording the close & trip coil currents, dynamic contact resistance measurement of main & arcing contacts as well as travel measurement ( with external travel transducer & fixture ) of operating mechanism. , portable ct-pt analyser instrument set suitable for precise measurement of ct turn ratio, polarity, knee point voltage, secondary winding resistance, demagnetization, burden, insulation resistance etc. upto 400kv class cts, ring type cts mounted in bus ducts & turret assembly in power transformers and reactors; pt turns ratio, winding resistance, polarity, saturation, short circuit impedance test, insulation resistance & cvt ratio, phase deviation. the kit should confirm to detailed technical specification. , portable dew point & oil moisture ( ppm ) meter suitable foronline measurement of moisture ( dew point in “c’ ppmv, ppmw ) of gas in gas insulated ehv equipment and transformer oil ) in live switchyard upto 765 kv level, as per iec 60376 & cigre b3.02.01. the instrument should have a range of at least 70 to +30 degc with a resolution of 1deg.c and accurancy of ±2º for dew point and 0 to 100ppm with a resolution of 1ppm for moisture in oil. the kit should confirm to detailed technical specification.