Specification Brand : ILOPM BulletPoint1 : Measuring range 0.8~300mm Depends on the probe used, the material to be measured, and the surface condition. See the attached table (6 kinds of probes are built-in, you can choose) BulletPoint2 : Units and Display Resolution mm-0.01, 0.1 inches - 0.001, 0.01 BulletPoint3 : V path correction Automatic V sound path correction to compensate for the nonlinearity of dual element probes BulletPoint4 : Indication error±0.05mm (below 10mm) ±0.5% H+0.01 (above 10mm) BulletPoint5 : Probe Zero Calibration nmOne-point calibration (for regular thickness measurement) Two-point calibration (can significantly improve measurement accuracy when measuring curved wall thickness or special applications) Color : One Color ExternallyAssignedProductIdentifier : 7509081999478 IncludedComponents : MAIN HOST ItemName : Durometer Tester, UM-2 Ultrasonic Thickness Gauge High Accuracy, Hand-held Metal Thickness Tester Meterwith 0.01mm/0.1mm Resolution / 0.8~300mm,Accurate Measurement ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardness-testing-apparatus Manufacturer : ILOPM Material : metal MeasurementAccuracy : HIGH ACCURACY ModelName : 32761147651 ModelNumber : 32761147651 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 32761147651 ProductDescription : Specifcations: Note: H is the thickness of the measured object Repeatability ±0.05mm display 128×64 dot matrix LCD screen (42×57mm) With EL backlight with adjustable contrast Thickness value digital height up to 13.75mm Measuring refresh rate 4Hz for routine measurement, 25Hz for smaller value scan Material Sound Velocity Range 1000~9999m/s, 0.0394~0.3937in/us data storage Divide 5 arrays to store 500 thickness values