1. Auto calibration to assure the accuracy. 2. Coupling status indication: Observing the coupling icon to learn if the coupling is accomplished or not. 3. 10 thickness measurement storage and recall function available, which facilitates the height work or working in wild area. 4. Sound velocity measurement: With a given thickness by sample hardware to measure the sound velocity, which avoids the further conversion or consultation of the table. 5. 12 sound velocity for different material which also adjus- table. 6. Low battery indication 7. Auto power off mode designed to conserve battery life. 8. More than 10000 times long lift keys. 9. The unit has a special memory that retains all of its setting even when the power is off. 10. Power supply: 3 X 1.5V AAA batteries(Not included)
1.自动校准，确保准确性。 2. 耦合状态指示：观察耦合图标，了解耦合是否完成。 3. 10个测厚存储和调用功能，方便高空作业或野外作业。 4. 声速测量：用给定厚度的样品硬件测量声速，避免了进一步的换算或查表。 5. 12种不同材料的声速也可以调整 桌子。 6. 低电量指示 7. 自动关机模式旨在节省电池寿命。 8. 10000次以上的长键。 9. 本机具有特殊记忆功能，即使断电也能保留所有设置。 10. 电源：3 X 1.5V AAA 电池（不包括在内）
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