Features: Model No. 900-420 Superficial Rockwell Hardness Tester

This digital Superficial 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 900-420 digital Superficial Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter.This hardness tester comprises the very best in “state of the art” design along with dynamic precision only found at Phase II. The 900-420 Superficial Rockwell scale hardness tester is easy to operate, yet engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E-18 Rockwell Hardness standards, the 900-420 superficial rockwell hardness tester will offer unmatched repeatability in all superficial Rockwell Hardness scales. A perfect, rugged performer suited for any environment including heat treat facilities, tool rooms, workshops, laboratories and inspection labs. Lifetime technical support is included on all Phase II Hardness Testers. So test away with confidence and a level of accuracy you will only find at Phase II. Capable of hardness testing in all of the 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 hardness Scales
• Touch Screen selectable system
• Upper/Lower Limit Settings

• Test resolution: 0.01HR Rockwell hardness 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;

Minor Load	3kgf
Major Load	15KGF, 30KGF, 45KGF
Test Force Application	Load Cell Closed Loop
Test Force Control	Motorized
Results Display	Hi Def LCD Digital Readout
Resolution	0.01HR
Vertical Capacity	8.0”
Throat Depth	7.8”
Height	22”
Width	8”
Depth	31”
Weight	175 lbs

Accessories: Included

C-scale Diamond Indenter
• 1/16” Ball Indenter
• 2- HRN test Blocks
• 3- HRT Test Block
• Test Table 5.87” (150mm)
• Flat Anvil 2.5” (63mm)
• Std. V- Anvil
• Dust Cover
• Accessory Case