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Height Gauge Ruby Probe

Updated: 2026-07-19

Overview

The ruby probe for height gauge is a critical component in precision measurement systems. It features a ruby tip, prized for its exceptional hardness and wear resistance, mounted on a stainless steel shaft. This combination ensures durability and accuracy in industrial metrology applications. Ruby probes are commonly used with height gauges to measure vertical dimensions with high precision. Their robust construction makes them suitable for repeated use in demanding environments, such as manufacturing and quality control.

Structure and Working Principle

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The ruby probe consists of a synthetic ruby sphere attached to a stainless steel shaft. The ruby's hardness (9 on the Mohs scale) minimizes wear, ensuring consistent measurement accuracy over time. The shaft is designed to fit securely into height gauge fixtures. During operation, the probe makes direct contact with the workpiece. The height gauge records the vertical displacement, translating the probe's position into a precise measurement. The ruby tip's low thermal expansion coefficient further enhances measurement stability.

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Key Features

Ruby probes are known for their high hardness, which resists wear even under frequent use. This property extends the probe's lifespan and maintains measurement accuracy. The material also exhibits excellent corrosion resistance, making it suitable for harsh industrial environments. Additionally, ruby has a low coefficient of thermal expansion, ensuring dimensional stability across temperature variations. The probes are available in various tip diameters and shaft lengths to accommodate different measurement needs.

Application Areas

Ruby probes are widely used in manufacturing and quality control processes. They are essential for measuring the height of components in automotive, aerospace, and machinery industries. Their precision makes them ideal for inspecting machined parts, molds, and assemblies. In laboratory settings, ruby probes are employed in coordinate measuring machines (CMMs) and other metrology equipment. Their reliability ensures consistent results in critical measurement tasks.

Maintenance and Precautions

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To maintain accuracy, ruby probes should be cleaned regularly using a soft cloth and isopropyl alcohol. Avoid using abrasive materials that could scratch the ruby tip. Store the probe in a protective case when not in use to prevent damage. Avoid applying excessive force during measurements, as this can damage the probe or the workpiece. Periodic calibration checks are recommended to ensure ongoing precision. Replace the probe if signs of wear or damage are observed.

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B2B Procurement Guide

When purchasing ruby probes, consider the tip diameter and shaft length to ensure compatibility with your height gauge. Verify the probe's accuracy specifications and material certifications. Reputable suppliers often provide calibration certificates for traceability. Bulk purchases may offer cost savings, but ensure consistent quality across batches. For specialized applications, custom probes with unique dimensions or coatings may be available. Always request samples or conduct trials before large-scale procurement.

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