Features:

1. Auto calibration to assure the accuracy.

2. Sound velocity measurement: with a given thickness to measure the sound velocity to improve accuracy.

3. Large LCD display for easy reading.

4. Low battery, auto power off function, etc.

5. Used in the field or work at heights

Specification:

Condition: Brand New

Model: 100

Measuring Range: 1.2-300mm(steel)

Accuracy: ±(1%H+0.1mm) H denotes the measured thickness

Working Frequency: 5MHz

Resolution: 0.1mm

Minimum Limit for Tube Measuring(steel): dia. 20*3.0mm(steel)

Sound Velocity Range: 1000-9999m/s

Color: Orange

Power Supply: 3 * 1.5V AAA Battery(not included)

Weight: Approx. 400g / 14.1oz

Size: Approx. 15 * 8 * 3.2cm / 5.9 * 3.2 * 1.3in