MarMonix MRB-HRC-61.1 Standard Rockwell Hardness Reference Block

Overview

The Marmonix MRB-HRC-61.1 is a precision Rockwell hardness reference block, an essential calibration asset for laboratories that demand absolute measurement repeatability. Certified at 61.1 HRC, it provides a defensible reference point for verifying and calibrating Rockwell-compliant hardness testers. Made from deep-stabilised alloy tool steel with a mirror-lapped surface, it resists structural drift over time and minimises indentation noise, ensuring consistent, traceable readings across the entire testing face.

Key Features

• Certified reference value of 61.1 HRC
• Deep-stabilised high-purity alloy tool steel
• Mirror-lapped surface minimises indentation noise
• Surface uniformity rating of 0.3 HR
• Drift-free performance for long-term stability
• Ideal for routine verification and metrological calibration
• Supports defensible, traceable test results
• Compatible with Rockwell-compliant hardness testers

Applications

• Calibration and verification of Rockwell hardness testers
• Metrology and quality-control laboratories
• Routine instrument checks before testing
• Traceable hardness measurement documentation
• Manufacturing and inspection quality assurance

What’s in the Box

• Marmonix MRB-HRC-61.1 Rockwell hardness reference block
• Calibration certificate
• Protective case

Why buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Marmonix test and measurement equipment in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. Download the datasheet