General features and functions:
CL-850 is an intelligent portable ultrasonic thickness gauge, it is controlled by microprocessor. The equipment is using ultrasonic measurement method; it is fast, high accuracy and non destructive testing for multi-material thickness. 

Application: 
It is widely used for measuring thickness of oil, shipbuilding, power station, mechanic manufacturing or pressure tank, chemical equipment, steelmaking furnace, oil storage tank, glass workshop, metal workshop or all need to check the surface of tube thickness trade. It can check most of hard material, such as steel, aluminum, copper, zinc, quartz glass, polyethylene, polyvinyl chloride, iron, ceramic, plastic or other ultrasonic conductor thickness. 

Specifications:
Measuring range: 1.2-225.0mm (Steel)
Accuracy: ±(1%±0.1)mm
Pipe measuring lower limit: φ20*3mm (Steel)
Sound velocity range: 1000-9999m/s
Working frequency: 5MHz
Working temperature range: 0-50℃ 
Automatic zero adjustment
Data store function
Auto power shut off
Low battery indication: 3V±0.2V
Power: 3*AAA Ni-Cd or Ni-Hm battery
Dimensions: 145.5x70x28mm
Weight: 210g (not including battery)