GM100 Digital Ultrasonic Thickness Gauge 1.2‑300mm Steel Width Testing Monitor

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: GM100 Measuring Range: 1.2 300mm(steel) Accuracy: + (1percent 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 .