YUSHI INSTRUMENTSWe Are Manufacturer 20 years NDT experience,ISO, CE & RoHS certificated, this is how we keep superior quality and competitive offers for global valued customers This instrument can be widely used in the fields such as manufacturing, metal processing, chemistry and business inspecting for measuring the thickness of all sorts of materials where ultrasonic wave can spread through with a constant speed and get the reflection from the back side Probes/Transducers Option: PT-08/04/06/12GT-12ZT-12TC110/210/705 Display Type:2.4'' color OLED, 320240 pixels, contrast 10,000:1 Operating Principle:Pulse echo with dual elements transducers Measuring Range: 0.02'' to 20.00'' (depends on material, probe and surface condition) Measuring Resolution:selectable 0.001'', 0.01'' Units:Inch or Millimeter Rectify Mode:RF+, RF-, HALF+, HALF-, FULL Display Mode:Normal, Minimum/Maximum capture, DIFF/RR%, A-Scan, B-Scan V-Path Correction:Automatic Update Rate: 4Hz, 8Hz or 16Hz Material Velocity Range:0.0197 to 0.3939 in/μs Languages:Chinese, English, Japanese,French, German Alarm Settings:Minimum and Maximum alarms. Range of 0.010'' to 20.00''. Dynamic waveform color change on alarm Operating Time:Approximately 40 hours with two AA batteries Instrument Shut-off: ALWAYS ON or AUTO OFF after 5, 10, 20 minutes of inactivity Operating Temperature: 14°F to 122°F Application Software: UmView Software for transmission,storage,analysis and documents editing Size: 6'' x 3'' x 1.5'' Weight:280g including batteries Battery and Couplant are Prohibited Goods by Air Shipping by DHL taking 3-5 days