Professional ultrasonic thickness gauge with quick response and high accuracy. It adopts ultrasonic measuring principle and it is controlled by microprocessor. <br><br><strong>Features:</strong> <br>Handheld ultrasonic thickness gauge for quick and precise measurement hardwares in industrial realm. <br>The acoustic velocity values of 10 common materials are stored in the meter: steel￡? zinc￡? copper￡? glass￡? etc. <br>Press "VEL" button to make a quick selection for the acoustic velocity of 10 common materials. <br>Adopt ultrasonic measuring principle￡? controlled by microprocessor. <br>Calibration function helps to ensure the accuracy of measured values. <br>LED light is convenient for night use. <br><br><strong>Specifications:</strong> <br>Probe: |μ10mm 5.0MHz <br>Display: 4-digit LCD Display <br>Frequency: 5MHz <br>Measuring Range: 1.2-220mm(steel) <br>Accuracy: ?à(1%+0.1) <br>Coupling Agent: 50ml <br>Power Supply: 3 * LR6 1.5V AA Battery (not included) <br>Item Size: 13 * 7 * 3.5cm / 5.1 * 2.8 * 1.4in <br>Item Weight: 194g / 6.9oz <br>Package Size: 25 * 21 * 5cm / 9.8 * 8.3 * 2in <br>Package Weight: 763g / 26.9oz <br><br><strong>Package List:</strong> <br>1 * Ultrasonic Thickness Gauge(battery not included) <br>1 * Bottle of Coupling Agent <br>1 * Probe <br>1 * Case <br>1 * User Manual(English)