Rockwell Superficial Hardness Tester

Detailed Product Description HR450 can be used directly to measure Rockwell Superficial hardness for metal and plastic material.· Provided with many features such as high measuring precision, wide measuring range with 15 Rockwell scales.· Automatic test force switch according the selected scale without manual operation.· Automatic load cycle.

The loading, dwell, unloading process of the main test force are controlled exactly to meet standard.· Measuring results digitally displaying and can be printed, or transmitted to external computer automatically.· The tester is suitable for testing of carbon steel, alloy steel, cast iron, non ferrous metal, and engineering plastic etc., especially small and thin parts.· Test value can be transformed to the value of HB, HV, HK and σb value.· The tester meets all the following standards such as ISO 6508-2, ASTM E18, BS EN ISO6508-2, GB/T230.2.· Preload:29.4N(3kgf)· Total test force:147.1N(15kgf), 294.3N(30kgf), 441.3N(45kgf)· Scales:HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR45Y· Load cycle: 3~8s· Load dwell duration: 2~50s, can be set· Resolution :0.1HR· Display:High definition backlight LCD· Operation:Menu selectable, Membrane keypad· Upper/lower limits setting & alarming· Data statistics: Avg., Max., Min., S, R available· Curved surface correcting automatically· Memory: Max 500 items of test results stored automatically· Data output: RS-232 to micro printer, USB port to external PC· Testing space:200mm in vertical, 165mm in horizontal· Dimensions: 550mm×200mm×720mm· Power supply: AC, 220V/110V, 50~60Hz, 4A· Net weight: 90kg