KH-500 PORTABLE LEEB` S HARDNESS TESTER Features * Impact device provides testing at any angle, even upside down * Automatically recognizes the impact device and adjust internal parameters * Data output USB port and built-in mini-printer data output * Internal memory in 200 files which can store most 1750 average readings ( depends on the average times selected) * Lower and upper limits setting with Low-High display judge * Works on 4 AA rechargeable Ni-MH batteries with working more than 48 hours continuously * Conforming to ASTM A 956 * 320× 240 LCD with LED back-light * USB interface or Built-in mini-printer Standard Delivery Basic Unit Small supporting ring Impact device D Software and Cable Test block with HLD-value AC adapter/ charger Carrying case Operation manual Cleaning brush Certificate