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				Mitutoyo 810-298
                
                
                
 			 
				Hardmatic HH-411 Series 810-Impact Type Hardness Testing Unit
			 
 
				
                Product HighlightsImpactor: Impact hammer with integrated detector and carbide-ball tip (D type: conforming to ASTM A 956) 
Display unit: 7-segment LCD
Functions: Auto angle compensation, Off set, OK/NG judgment, Hardness scale conversion Data storage (1800 data entries) Statistical analysis (Average, Maximum, Minimum, Dispersion) 
Auto sleep function
Impact counter display function
Testable workpiece
Thickness: Minimum 5mm or more
Mass: 5kg or more in mass
Test points: 5mm or more from the edge of the sample, 3mm or more to each of the tested points
Surface roughness: Ra 10ìm or less
Power supply: Alkaline AA battery 2pcs or optional
AC adapter (battery life: 70 hours)
Hardness Range L-Value (ASTM A956) 
Detector  Input device D(carbide ball) 
Indentation Direction Any direction 
Output RS-232C, SPC 
Power Supply Alkaline AA Battery 2 pcs. 
Dimensions xxDIA 1.10x6.89in xx28x175mm 
Display Unit Dimensions  2.76x4.33x1.38in 70x110x35mm 
Mass .26lbs 120g
 
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