supply of digital elco meters, pen type elco meter & laser distance measure metersdigital elco meters, pen type elco meter & laser distance measure meters,digital elcometer thickness gauge(probe: f & n probe both combine, measuring princ iple:magnetic induction (f), eddy current effect (n), measuringrange : 2000 um, precision +/-(3% + 1um), resolu tion 99.9um(0.1um), 999um (1um) > 1000 um (0.01mm) zero calibrationsupport, statistics: average, minimum, maximum, number,unit : um, mm, mils, minimum measured area : diameter 2.0cm, minimum substrate thickne ss : 0.02 cm 0.005cm,maximum measuring speed: 2 readings per second, powersupply: 2*1.5v aaa battery, si ze / weight: 11.3 cm x 5.3cm x2.4cm / 80g. [ warranty period: 30 months after the date of delivery ] , pen type elcometer (specification: modelname: pull-off type, type - f, measuring range: 500 mts,accuracy : 1% of reading, resolution: 1 um, minimummeasurement area: 5 um. product description: coati ngthickness gauge confirming to accuracy as recommended insspc-pa 2-73t, iso 2178-1982 (e), astm b 49 9-87 and astm d1186-87. pull off type (for vertival use only)). [ warranty period: 30 months after the date of d elivery ] bri/gvn/rjy, scr andhra pradesh 1.00 numbers cbri/i/rjy, scr andhra pradesh 1.00 numbers , laser distance measure meters (maxmeasured distance ld - 01: 70m , ld- 02 - 100m, distancemeasurement precision +/- 2mm, measurement unit optionsmm/in/ft, continuous measurement functio n : yes, outdoortarget reflection board - no, area measurement function :yes, volume measurement function : y es, pythagoreanproposition measurement function : full mode, add andsubtract measurement function: yes, mi n/max value: yes, maxstorage : 30 unit, automatic backlight : yes, buttons / keyssound: yes, laser level - ii, a utomatic shutdown : 150 sec,standard accessories : carrying case, safety strap, operationmanual, dimension : 118(h) x 54 (w) x 28 (d) mm [ warranty period: 30 months after the date of delivery ] bri/gvn/rjy, scr andhra pradesh 1.00 numbers