Features:

• 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
• Direct Loading Method with Load-Cell Instead of Dead Weight System
• High Speed Test Cycle and Precise Accurate Loading Control
• The 900-420 digital Superficial Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter.
• Capable of testing in all the Superficial Rockwell hardness scales
• Upper/Lower Limit Settings
• Load Cell
• Closed Loop System
• Cast Iron Body
• Touch Screen Functions
• Test resolution: 0.01HR
• 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, 4Aa

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Digital Rockwell Hardness Tester

Phase II hardness testers are renowned for their precision, design and ease of use. The 900-420 Superficial Rockwell Hardness Tester combines ease of use with reliable precision and accuracy. Although it is a precision instrument, the Phase II 900-420 stands up to almost any challenging environment without any loss of performance quality. This hardness tester can be used in laboratories, machine shops, heat treatment facilities, inspection labs, tool rooms, etc. Provided free of charge is lifetime technical support that comes standard with every Phase II 900-420 Superficial Rockwell Hardness Tester. Use it with confidence, trusting the accuracy you can expect from a Phase II.

Accessories: 

• 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

Specifications: