calibration of master instruments of gail hazira jurisdiction for the period of 3 yrs- 1 calibration of master instruments 2 digital multimeter ( fluke, yokogawa, br 3 decade resistance box 4 digital temperature simulator for rtd an 5 hydraulic dead weight tester ( wika ) area 6 hydraulic dead weight tester ( yantrika ) c 7 digital pressure gauge ( wika ) 8 digital barometer ( druck ) 9 loop calibrator ( nagman ) volt, current s 10 current simulator ( eurotron ) , ma, sourc 11 multifunction calibrator ( wika, druck, n 12 analogue insulation tester ( yokogawa ) , o 13 digital insulation tester ( fluke, yokoga 14 digital ac / dc clamp meter, ( yokogawa, kus 15 lux meter. lux 16 digital sound level meter 17 digital earth resistance tester & elcb t 18 digital tachometer 19 digital thermohygrometer 20 digital pressure transmiter 21 rtd sensor ( 4 wire ) 22 surface roughness tester 23 tublar inside micro meter 24 digital micrometer 25 ultrasonic thickness gauge 26 torque wrench ( up to 2000 nm ) 27 o / s micrometer ( 0-25 mm ) , ( 50-75 mm ) , ( 75 28 digital o / s micrometer ( 0-25 mm ) 29 vernier calipers 30 plunger dial gauge ( 0-0.400” ) 31 digital i / s micrometer ( 200-1000 mm ) 32 digital vernier caliper ( upto 450 mm ) 33 digital o / s micrometer ( 0-1 ) 34 temperature bath ( heat source, stability 35 standalone sprt sensor with fixed point 36 standalone sprt sensor using comparison 37 temperature display unit ( two channel - 38 frequency barrier calibration 39 hart communicator calibration 40 hart loop calibration 41 laser distance meter 42 thermal imager 43 ir thermometer 44 digital cunductivity meter 45 milliampere clamp meter 46 digital thermometer with sprt ( isotech )