TM-8812 Ultrasonic Thickness Gauges Metal Thickness Measurement 225mm

Ultrasonic Thickness Gauges Metal Thickness Measurement (1.2-225mm,0.05- 8 inch) TM-8812 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. Measuring range (metric/imperial): 1.2-225mm,0.05-9inch Operating principle: ULTROSONIC Materials measured: any hard materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron and other materials  Sound velocity: 500-9000m/s Lower limit steel pipes: Diameter:15x2.0mm, Diameter:20x3.0mm determined by the transducer Calibration block: included Resolution: 0.1mm Accuracy: +/-(0.5%n+0.1) USB interface  Power supply: 4x1.5V AAA (UM-4)battery Battery indicator: low battery indicator Operating conditions:0...45 centidegree,below 90%RH Dimensions: 120x62x30mm Weight: 164g(not including battery) CODE MATERIAL 1 cd01 Steel 2 cd02 Cast iron 3 cd03 Aluminum 4 cd04 Red copper 5 cd05 Brass 6 cd06 Zinc 7 cd07 Quartz glass 8 cd08 Polyethylene 9 cd09 PVC 10 cd10 Gray cast iron 11 cd11 Nodular cast iron 12 xxxx Sound velocity