Model No. 900-415XTB is a tall-frame digital Rockwell hardness tester with a 24" vertical capacity and a rugged cast-iron body. Fully automated load/unload with a load cell and closed-loop, motorized test-force control delivers highly sensitive, accurate, repeatable readings — a direct loading method that replaces dead-weight systems for a high-speed test cycle and extremely accurate loading control.

Key features

• Load cell, closed-loop, motorized test force (direct loading — no dead weights)
• 24" vertical capacity; cast-iron body
• Touch-screen control with USB output to flash drive
• Programmable scale conversions, dwell times, statistical functions, and test counter
• Automatic conversions to HB, HV, and Superficial Rockwell scales
• Upper/lower limit settings
• Capable of testing all regular Rockwell hardness scales

Included accessories

• C-scale Diamond Indenter
• 1/16" Ball Indenter
• 3 × HRC Test Blocks, 1 × HRB Test Block, 1 × HRA Test Block
• Test Table 5.87" (150 mm)
• Flat Anvil 2.5" (63 mm)
• Std. V-Anvil
• Dust Cover
• Accessory Case

For full conformance to the latest ASTM E18-24 specification, please contact us.