supply of lcd ultrasonic thickness gauge , lcd ultrasonic thickness gauge with a measurement range of 0.75 mm to 300 mm. specific ation: digital lcd display with a minimum resolution of 0.1 mm. operating frequency: 5 mhz. measuring ra nge: 0.75 to 500 mm (for steel). accuracy: ?(1% h + 0.1) mm, where h denotes the measured thickness. so und velocity range: 1000?9999 m/s. the instrument should be provided with a rechargeable power supply along with standard accessories such as a charger, transducer, coupling agent, and a 4 mm sample block f or calibration. accepted makes: modsonic, stanley, mitutoyo, olympus, ndt kits, extech, cygnus. [ warran ty period: 30 months after the date of delivery ] ]