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 
*Using the latest high performance and low power consumption microprocessor technology. 
*Automatic memory material code and sound velocity value, convenient to use. 
*Use “USB data output” and “RS-232 data output” to connect with PC. 
*Provide “Bluetooth ™ data output” choice. 
*Display:4 Digit, 10 mm LCD 
*Operating Principle:Ultrasonic 
*Measuring Range (metric / Imperial):0.75~400mm (45# steel) (Depend on Probe) 
*Battery Indication:Low Battery Indication 
*Sound Velocity:1000~9999 m/s 
*Lower Limit Steel Pipes:Φ15 x 2.0 mm Φ20 x 3.0 mm determined by transducer 
*Calibration Block:Included 
*Resolution:0.1mm / 0.01mm / 0.001inch 
*Accuracy:± (0.5%n + 0.1) 
*Automatic memory material code and the value of sound velocity 
*Power off:Auto Power off & Manual Power Off 
*Operating Conditions:Temperature: 0~40 °C, Humidity: < 85 %RH 
*Power Supply:4 x 1.5 V AAA (UM-4) Battery 
*Dimensions:140 x 72 x 34 mm 
*Weight:185 g (Not Including Batteries)