"Specializing in Optical Comparators for over 30 years"

Welcome to Haas Precision Services, Inc.

James F. Haas, founder of Haas Precision Services, Inc. has an extensive background in optical comparators. As a former employee of a leading manufacturer of optical comparators (J&L Metrology), he held several positions over the years including field service, product specialist / instructor, design engineer and service management.

Our commitment is to consistently strive to exceed each customer's expectations. We do this by providing:

• "ON TIME" comprehensive calibration service with traceability to N.I.S.T.
• Service of all makes and models of optical comparators.
• Rapid response for Emergency Service calls (most within 48 hours).
• OEM replacement parts and upgrades
• Digital system upgrades
• Complete rebuilding service
• Design and manufacture of modifications for special applications