Features 1. Auto calibration to assure the accuracy. 2. Auto linear compensation: this advanced software program enhances the precision by correcting the non-linear accuracy of transducer. 3. Use and keys to make a quick adjustment for the sound velocity /thickness,and a quick recall to the stored data. 4. Coupling status indication: Observing the coupling icon to learn if the coupling is accomplished or not. 5. 10 thickness measurement storage and recall function is available, 6. which facilitates the height work or working in wild area. 7. Sound velocity measurement: With a given thickness by a sample hardware to measure the sound velocity, which avoid the further conversion or consultation of the table. 8. 12 sound velocity for different material 9. Auto power off mode designed to conserve battery power. 10. More than 10000 times long lift keys. 11. Manual power off Display: 4-digital LCD display Minimum display unit:0.1 mm Measuring range:1.2 to 225.0mm (steel) Working frequency:5MHz Accuracy: (1%H+0.1)mm,H denotes the measured thickness. Minimum limit for tube measuring:20*3mm (steel) Sound velocity range:1000 to 9999 m/s Measuring sound velocity with a given thickness: measuring range: 1000 to 9999 m/s. When the given thickness > 20mm, the accuracy is +/-5%; when the given thickness Operation Condition: temperature: 0°C~40°C Relative humidity: Hardware/workpiece/material temperature: Operation current: Normal operation current: 50mA With Backlight turn on current: 120mA Stand-by current: 20uA Auto Zero Calibration Auto linear compensation Coupling Indicator Battery Indication / Auto Power Off Packing Contents main unit-1PCS transducer-2 PCS(10mm 5MHz ,10mm 2.5MHz) 4mmSample block-1PCS
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