Digital TWIN Rockwell/Superficial Rockwell Hardness Tester(900-440)

Features: Model No. 900-440 TWIN Rockwell/Superficial Rockwell Hardness Tester

This digital Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to flash drive. The 900-440 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. 

Capable of testing in all of the regular Rockwell and Superficial Rockwell hardness scales.


Direct Loading Method With Load-Cell Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading Control

Automatic conversions to HB, HV, Popular Rockwell Scales
Touch Screen selectable system
Upper/Lower Limit Settings

Test resolution: 0.01HR Rockwell unit;
Operation temperature: 50° - 95°F (10ᵒC～35ᵒC)
Ambient environment: clean, no vibration, no strong magnetic field, and no corrosive medium;
Power supply: single phase, AC, 110-220 with manual change, 50～60Hz, 4A;

Accessories: Included
C-scale Diamond Indenter1/16” Ball Indenter
2- HRC test Blocks
1- HRB Test Block
1-HRN Test Block
Test Table 5.87” (150mm)
Flat Anvil 2.5” (63mm)
Sli. V- Anvil
Dust Cover
Accessory Case

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