产品描述：

HH-411 is a rebound type portable hardness tester for metal with a compact body and high operability. It allows anyone to perform hardness testing easily at the touch of a key, so it can be used widely on various components in the field.
Technical Data
Impactor: 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)
Standard Accessories
19BAA265 Test Block HLD800
810-291 Display Unit
810-287 Detector
19BAA460 Cable
Battery AA (Alkaline) 2pcs.

技术参数：

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 hoAurs)
Standard Accessories
19BAA265 Test Block HLD800
810-291 Display Unit
810-287 Detector
19BAA460 Cable
Battery AA (Alkaline) 2pcs.

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