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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
*Power supply: AAA Alkaline battery（Battery not included in the package）
Batteries: 2 x 1
HBC hardness tester is designed to easily measure the Brinell hardness value of different ferrous and non-ferrous metals including crude or annealed steel (non austenitic steel only)
●Duct Size
It applicable of paper making
Graigar KT320 Digital Ultrasonic Metal Thickness Gauge Meter Tester 0.75mm~300.0mm 0.03inch~11.8inch Automotive Parts and Accessories *Power supply: AAA Alkaline battery（BatteryBrand: Graigar Color: Black Features: Suitable for measuring metal (such as steel, cast iron, aluminum, copper, etc.), plastic, ceramic, glass, glass fiber and other any good conductors of ultrasonic thickness. Can be equipped with a variety of different frequency, chip size, double crystal probe use. Have probe zero calibration, a two point calibration function, can be automatically on system error correction. LED backlight display, convenient to use
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