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By certification 
Application:
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.
Model: TM-8810
Measuring range (metric/imperial): 1.2-200mm,0.06-8inch
Operating principle: ULTROSONIC
Materials measured: only 11 types of materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron
Lower limit steel pipes: 15x2.0mm, 20x3.0mm determined by the transducer
Calibration block: included
Resolution: 0.1mm
Accuracy: -+(0.5%n+0.1)
Power supply: 4x1.5vaa(UM-3) battery
Battery indicator: low battery indicator
Operating conditions:0-+45C(32F-104F),equal to or less then 90%RH
Dimensions: 160x68x32mm
weight: 208g(not including battery)
Optional Accessories: 6M 6mm thin Material probe:Measuring range(steel): 1.0 50.0mm
Operating temperature: -10~+60C 5M 12high temperature probe: Measuring range(steel):
1.0~225.0mm(normal temperature) Measuring range(steel): 4.0~100.0mm (high temperature)
Operating temperature: -10~+300C
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.
Model: TM-8810
Measuring range (metric/imperial): 1.2-200mm,0.06-8inch
Operating principle: ULTROSONIC
Materials measured: only 11 types of materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron
Lower limit steel pipes: 15x2.0mm, 20x3.0mm determined by the transducer
Calibration block: included
Resolution: 0.1mm
Accuracy: -+(0.5%n+0.1)
Power supply: 4x1.5vaa(UM-3) battery
Battery indicator: low battery indicator
Operating conditions:0-+45C(32F-104F),equal to or less then 90%RH
Dimensions: 160x68x32mm
weight: 208g(not including battery)
Optional Accessories: 6M 6mm thin Material probe:Measuring range(steel): 1.0 50.0mm
Operating temperature: -10~+60C 5M 12high temperature probe: Measuring range(steel):
1.0~225.0mm(normal temperature) Measuring range(steel): 4.0~100.0mm (high temperature)
Operating temperature: -10~+300C
