Amazon.com: Etekcity Infrared Thermometer 774, Digital Temperature Gun for Cooking, Non Contact Electric Laser IR Temp Gauge, Home Repairs, Handmaking, Surface Measuring, -58 to 716 ℉, - 50 to 380 ℃, Yellow : Industrial & Scientific
Non-contact Laser Diameter Gauge Without The Tripod High Precision Laser Diameter - Level Measuring Instruments - AliExpress
HFBTE Laser Scan Diameter Tester Non-contact Laser Diameter Gauge Measuring Instrument with Range 0.2 to 30mm Sensitivity 1um Accuracy ±2um Digtial Display Control Box Standard 10m Communication Cable - - Amazon.com
3D Laser Profile Sensor with Blue-Laser Technology
Digital Tachometer Non Contact Laser Photo RPM Tach Meter Motor Speed Gauge USA – ASA College: Florida