Vizaar Vuman E3
PH Tool Reference Standards
Contact: Phil Herman
4406 Bethlehem Pike 
Telford PA Pennsylvania
United States 18969
Phone: 267-203-1600
Fax: 267-203-1601
Tags: NDT Services
Experts in the manufacture of Reference Standards and Test Blocks for the NDT industry.

We specialize in EDM notch, flat-bottom hole, and micro-hole standards used in ultrasonic, eddy current, magnetic particle and liquid penetrant testing. Standards can be fabricated using customer-furnished tube, pipe, bar, plate and other items; or our fully-equipped CNC machine shop can make representative parts ready for machining of defects.

We also manufacture and stock a complete line of standard test blocks. These are available for online purchase at and click on Test Blocks.

Our standards are machined in accordance with and in-house Quality Assurance program that meet all industry and government specifications. Standards and test blocks are NIST traceable.

We invite you to experience our 25-year reputation for
superior quality, reliability, and personalized service.