Key Features

• Performs Regular Rockwell and Superficial Rockwell hardness testing
• Closed-loop electronic load cell system
• Automatic force application
• Automatic loading, dwell, and unloading
• High-definition LCD touch screen
• Microprocessor-controlled operation
• USB data output
• Automatic hardness scale conversion
• Statistical analysis
• Programmable dwell time
• Upper and lower tolerance settings
• Test counter
• Manufactured utilizing the guidelines of ASTM E18

Overview

The Phase II Model 900-442 Digital Twin Rockwell / Superficial Rockwell Hardness Tester is a premium bench-top hardness testing system designed to perform both Regular Rockwell and Superficial Rockwell hardness testing on a single instrument. Utilizing a closed-loop electronic load cell with fully automatic force control, the Model 900-442 delivers highly accurate, repeatable hardness measurements while reducing operator influence.

The tester features a high-definition touch screen, automatic loading, programmable dwell times, automatic hardness scale conversion, statistical analysis, USB data output, and user-programmable tolerance limits. Designed for demanding laboratory and production environments, the Model 900-442 is manufactured utilizing the guidelines of ASTM E18.

Applications

The Model 900-442 is ideal for testing:

• Heat-treated steels
• Stainless steel
• Tool steel
• Cast iron
• Thin sheet materials
• Surface-hardened components
• Carburized parts
• Nitrided components
• Precision machined parts
• Production and incoming inspection

The proper Rockwell or Superficial Rockwell scale should be selected according to the material and applicable testing standard.

Industries Served

• Aerospace
• Automotive
• Medical Device Manufacturing
• Defense
• Heat Treating
• Precision Machining
• Tool & Die
• Metal Fabrication
• Quality Assurance Laboratories
• Research Laboratories

Included Accessories

• Combination Rockwell/Superficial Rockwell diamond indenter
• 1/16 in. ball indenter
• Two HRC hardness test blocks
• One HRB hardness test block
• Two HRN hardness test blocks
• One HRT hardness test block
• Large test table
• Flat anvil
• V-anvil
• Dust cover
• Operator's manual

Optional Accessories

Available accessories include:

• Certified Rockwell hardness test blocks
• Certified Superficial Rockwell hardness test blocks
• Replacement diamond indenters
• Replacement ball indenters
• Additional anvils
• Calibration accessories
• Hardness tester accessories

Calibration & Verification

Routine verification should be performed using certified Rockwell and Superficial Rockwell hardness reference blocks corresponding to the scales being evaluated. Regular inspection of the load cell, indenters, anvils, and force application system helps ensure accurate and repeatable hardness measurements.

WESTport provides:

• Certified Rockwell hardness test blocks
• Certified Superficial Rockwell hardness test blocks
• Calibration and verification services
• Hardness tester repair
• Replacement indenters and accessories
• Technical application support

Why Buy from WESTport-

WESTport provides complete hardness testing support, including:

• Certified Rockwell and Superficial Rockwell hardness test blocks
• Calibration and repair services
• Replacement indenters and anvils
• Expert technical assistance
• Responsive customer service
• Long-term product support

Frequently Asked Questions

What hardness scales can the Model 900-442 perform-

The Model 900-442 performs both Regular Rockwell and Superficial Rockwell hardness testing using the appropriate indenter and test force.

How are the testing forces applied-

The tester uses a closed-loop electronic load cell that automatically controls the applied test force.

Can hardness values be converted automatically-

Yes. The tester includes automatic hardness scale conversion as a standard feature.

Is USB output included-

Yes. USB connectivity is provided for exporting hardness test results.

Can WESTport provide calibration services-

Yes. WESTport offers calibration services, certified hardness reference blocks, replacement accessories, repair services, and technical support.

Explore our complete line of hardness testers and certified hardness test blocks, or call 1-888-400-4243 to speak with a hardness testing specialist.