HUATEC HR450 全自动数显表面洛氏硬度计

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: 38s

·       Load dwell duration: 250s, 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, 5060Hz, 4A

·       Net weight: 90kg 


 Standard configuration


Host machine



Standard hardness block for 30N scale 



Standard hardness block for 30T scale  



ball indenter (1/16″)



120°cone diamond indenter



Mounting screws for indenter



Flat anvil



“V ”shape anvil



Power supply wire



Screwdriver for indenter mounting



Dust cover


Optional accessories:


Short diamond indenter


Chisel diamond indenter


Slender diamond indenter


1/8″ball indenter and spare steel ball


1/4″ball indenter and spare steel ball


1/2″ball indenter and spare steel ball


φ225 anvil


φ150 anvil


Standard hardness block for other scales


Micro printer

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