supply of ultrasonic thickness meterultrasonic thickness meter,ultrasonic thickness meter with probe dia 8.0 mm, 5.0 mhz for mild steel, forged steel, cast iron,copper, specification: (1) display: 4 digit & 10mm lcd, (2)range: 1.5 to 200 mm, (3) resolution: 0 - 1 mm,(4)accuracy: +/- (0.5% n + 0.1), (5) weight: 250 grams with 4 x 1.5v aa (um3) battery. make:smarte ch/supertech/acron. the firm has to provide calibration certificate from nabl/govt. approvedlaboratorie s & supplier must submit proof of purchase from oem or oem authorized dealer at the time of supply. [ wa rranty period: 30 months after the date of delivery ] ]