Manufacturer: KKmoon
Brand: KKmoon
Model: GM100
Color: yellow/red
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Features & Functions:  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. 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 available, which facilitates the height work or working in wild area.  6. Sound velocity measurement.  7. 12 sound velocity for different material which is also adjustable . 8. More than 10000 times long life keys. 9. Largr LCD display for easy readout. Specifications: LCD Digital display: 4 digits Measuring Range: 1.2~225mm(steel) Accuracy: ±(1%H+0.1)mm, H denotes the measured thickness. Working frequency: 5MHz Minimum display unit: 0.1 mm Mininum limit for tube measuring(steel): ?20 * 3.0mm(steel) Sound velocity Range: 1000~9999m/s, When the given thickness is under 20mm, the accuracy is ±5%; when the given thickness is over 20mm, the accuracy is: ±1% General Characteristics: Operation temperature/humidity: 0 to 40°C, ?90%RH Power supply: 3 * 1.5V AAA alkaline batteries (not included) Item Size: 15 * 8 * 3cm / 6 * 3 * 1.2in Item Weight: 222g / 7.8oz Package Size: 25.5 * 17.5 * 5cm / 10 * 6.8 * 2.0in Package Weight: 510g / 1.12lb Package List: 1 * Ultrasonic Thickness Gauge 1 * ?10mm 5HZ Transducer 1 * Coupling Agent 1 * 4mm Sampling Block 1 * Operating Manual