Applications: Used for measuring thickness and corrosion of pressure vessels, chemical equipment, boilers, oil storage tanks, etc. In industries of petroleum, shipbuilding, power station, and machine manufacturing. Features: Battery Indication: Low Battery Indication Calibration Block: Included Digital display gives exact reading with no guessing or errors. Display: 4 Digit, 10 mm LCD Operating Principle: Ultrasonic Measuring Range (metric / Imperial): 1.2~200 mm / 0.05~8 inch Sound Velocity: 1000~9000 m/s Lower Limit Steel Pipes: Determined By Transducer Resolution: 0.1 mm Accuracy: +- (0.5%n + 0.2) Operating Conditions: Temperature: 0~40 degree, Humidity: less than 85 %RH Power Supply: 4 x 1.5 V AA (UM-3) Battery Dimensions: 160x 68 x 32 mm (5.5 x 2.8 x 1.2 inch) Weight: About 208 g (Not Including Batteries)
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