ASTM B667 is the ASTM standard for the construction and use of a probe for measuring electrical contact resistance. It provides a technical basis for creating and applying a probe in a consistent way, which helps support reliable resistance measurements during testing and evaluation. For buyers and engineering teams, this standard is useful because it helps align measurement practice, reduce variation between users, and support more dependable comparison of contact performance results.

ASTM B667 standard overview

The ASTM B667 standard focuses on the probe itself and how it should be used when measuring electrical contact resistance. Its title indicates both construction and use, so it is relevant to measurement practice as well as probe design and handling. In product and quality workflows, this kind of ASTM standard helps establish a common technical approach for generating repeatable contact resistance data. ASTM B667 is therefore a practical reference for organizations that need more consistent measurement methods.

Where is ASTM B667 used?

ASTM B667 is commonly used wherever electrical contact resistance must be measured with a dedicated probe and a controlled procedure. That may include laboratory testing, product evaluation, incoming inspection, or quality control work involving electrical contacts and related hardware. Because the standard addresses probe construction and use, it is especially relevant in settings where measurement consistency matters and where different operators or test setups could otherwise produce varying results.

Practical importance of ASTM B667

The practical value of ASTM B667 is in improving measurement consistency and helping users apply a recognized ASTM approach to contact resistance testing. That can support compliance efforts, procurement decisions, and internal quality control by making results easier to compare across samples, teams, or facilities. It may also help reduce ambiguity when selecting or using a probe, which can lower testing risk and improve confidence in engineering evaluations.

• Probe construction guidance
• Measurement use and handling
• Electrical contact resistance testing
• Consistency in test results
• Quality control and evaluation support