Thickness Gauge with Automatic Calibration, Thickness Gauge with Automatic Shut-off, for Working at Height on Steel from 1.2 to 220 mm for Field Use

1. Automatic calibration to ensure accuracy.
2. Sound velocity measurement: with a given thickness to measure the speed of sound to improve accuracy.
3. Large LCD screen for easy reading.
4. Low battery, automatic shut-off function, etc.
5. Used in the field or for working at heights.

Specification:
Features:
1. Automatic calibration to ensure accuracy.
2. Sound velocity measurement: with a given thickness to measure the speed of sound to improve accuracy.
3. Large LCD screen for easy reading.
4. Low battery, automatic shut-off function, etc.
5. Used in the field or for working at heights.

Specification:
Condition: Brand New
Model: GM100
Measuring Range: 1.2-300 mm (steel)
Accuracy: ±(1% H+0.1 mm) H denotes the measured thickness
Operating frequency: 5 MHz
Resolution: 0.1 mm
Minimum limit for tube measurement (steel): dia. 20*3.0 mm (steel)
Speed ​​of sound range: 1000-9999 m/s
Color: Orange
Power supply: 3 x 1.5V AAA batteries (not included)
Weight: approx. 400 g / 14.1 oz
Size: approx. 15 * 8 * 3.2 cm / 5.9 * 3.2 * 1.3 inches

Package List:
1 * Ultrasonic Thickness Gauge
1 * 10 mm Dia. Transducer (5 kHz)
1 * 4 mm Sample Block
1 * User Manual