Introduction:
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

Specifications:
MMeasuring range (metric/imperial): 1.0-200mm,0.05-8inch(45# steel) 
Resolution: 0.1mm 
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: ф15x2.0mm, ф20x3.0mm determined by the transducer 
Calibration block: included 
Resolution: 0.1mm(TM8816C 0.01mm) 
Accuracy: ±(0.5%n+0.1) 
RS232C interface: with RS232C 
Power supply: 4x1.5V AAA (UM-4)battery 
Battery indicator: low battery indicator 
Operating conditions:0-+45℃(32℉-104℉),≤90%RH 
Dimensions: 120x62x30mm 
Weight: 164g(not including battery)