Mitutoyo 500-752-20 Coolant Proof Digimatic Caliper 0-6in - Durable

In this review the Mitutoyo 500-752-20 Coolant Proof Digimatic Caliper is assessed for machinists and inspection techs who need a reliable 0-6in digital caliper that performs in harsh environments. The bottom line: this caliper stands out for its IP67 coolant proofing and precise 0.0005in/0.01mm resolution, making it a practical tool for shop floors where coolant and contaminants are present. Our review focuses on build quality, measurement consistency, and how the tool fits into routine dimensional measurement workflows.

Key Features

• Coolant proofing: The IP67 rating means the caliper resists splash and short immersion, so it keeps measuring reliably in wet or oily shop conditions.
• Measurement resolution: The 0.0005in (0.01mm) resolution provides fine discernment for small tolerances and repeatable readings for inspection tasks.
• Size range: The 0-6in capacity covers most small part work, making it suitable for common machining, tooling and QA checks without switching gauges.
• Compact package: With package dimensions around 11 x 2 x 5 in and a one pound package weight, it is easy to store, ship, and carry between workstations.
• Proven origin: Made in Japan, the caliper reflects Mitutoyo manufacturing standards and parts pedigree for durability and long-term service.

Who It's For

The Mitutoyo 500-752-20 is aimed at professional machinists, toolmakers, and quality inspectors who need a compact, dependable digital caliper for everyday dimensional measurement. Its coolant proofing and fine resolution particularly suit shop-floor use where coolant or cutting fluids are present and consistent repeatability matters.

Those who need built-in data output for SPC or advanced connectivity should look elsewhere, as this model is specified without SPC output. Hobbyists or casual users who rarely expose tools to fluids may find similar value in less costly non-waterproof models.

Pros & Cons

Pros

• IP67 coolant proofing provides robust protection on wet shop floors and during cleaning.
• High resolution of 0.0005in/0.01mm yields precise, repeatable measurements for small tolerances.
• 0-6in range is versatile for most small parts and routine inspection tasks.
• Compact, lightweight packaging and Japanese manufacture add to perceived build quality and reliability.

Cons

• No SPC or data output option on this part number, which limits integration with automated data collection workflows.

Specifications

Brand	Mitutoyo
Model / Part number	500-752-20
Measurement range	0-6in
Resolution	0.0005in / 0.01mm
Ingress protection	IP67 (coolant proof)
Country of origin	Japan
Package dimensions	11 L x 2 H x 5 W in
Package weight	1 pound

Our Verdict

The Mitutoyo 500-752-20 is a well-built, coolant proof 0-6in digital caliper that appeals to professionals who need dependable, repeatable measurements in wet shop environments. It represents good value for users who prioritize durability and resolution over data output connectivity, making it a solid buy for inspection benches and machine tool setups.

Frequently Asked Questions

Is this caliper waterproof?
Yes, it carries an IP67 rating which protects against dust ingress and temporary immersion, making it coolant proof for shop use.

Does this model provide SPC output?
No, the 500-752-20 is specified without SPC or data output capability.

What is the measurement resolution?
The caliper reads to 0.0005in or 0.01mm, suitable for fine tolerance inspection.