Specification Brand : XTevu BulletPoint1 : Auto calibration to assure the accuracy. BulletPoint2 : Auto linear compensation: this advanced software program enhances the precision by correcting the non-linear accuracy of transducer. BulletPoint3 : Use and keys to make a quick adjustment for the sound velocity /thickness,and a quick recall to the stored data. BulletPoint4 : Coupling status indication: Observing the coupling ICONS to learn if the coupling is accomplished or not. BulletPoint5 : 10 thickness measurement storage and recall function is available ItemName : SMART SENSOR Digital Ultrasonic Thickness Gauge Sound Velocity Meter Metal Depth Tester AS840 Sturdy Resistant Thickness Gauge Tester for Measuring Materials ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : thickness-gauges Manufacturer : XTevu ModelNumber : XTevu34cqmfs7xz PartNumber : XTevu34cqmfs7xz ProductDescription : SMART SENSOR Ultrasonic Thickness Gauge Intelligent handheld device for precise thickness measurement using ultrasonic technology.Widely used in industrial settings for monitoring material thickness changes in pressure containers.Ideal for metal processing, manufacturing, and quality control applications.Features: auto calibration, linear compensation, quick adjustment keys, coupling status indicator, data storage, 12 sound velocity options, low battery alert.Specification: 4-digit LCD display, measuring range 1.2-225.0mm, operating conditions temperature: 0-40°C.Includes: Thickness Gauge, 4mm Calibration Block, Probe, Storage Bag.Note: New and old versions may be sent randomly.Package List: 1 x SMART SENSOR Ultrasonic Thickness Gauge 1 x 4mm Calibration Block 1 x Probe (10mm 5MHz) 1 x Storage Bag