Hayes Instrument Service, Inc. was founded in 1979 as a primary standards laboratory. Since then, we have steadily grown by adding new capabilities to become one of New England's leading full-service calibration and repair facilities.

Satisfied customers agree that we always provide first rate calibration and repair service because our . . .

Highly qualified technicians are experienced professionals who take pride in their work, which assures the highest standard of service on every instrument.

Customer service representatives answer each telephone call and process each order with personalized yet efficient attention. Access to our custom-designed computer tracking system allows precise monitoring of the status of every item received for service.

Well-maintained delivery vans are specially equipped to transport your equipment safely. Each driver carries a two-way radio and cell phone to assure prompt and accurate pick-ups and deliveries.

Located in a specially designed facility of 12,000 square feet, our modern laboratory is equipped with the very latest instrumentation to ensure precise, reliable calibration and repair of your test equipment.

And, if you prefer, we can provide the same excellent service on site at your facility.

Hayes Instruments Quality System is registered to ISO 9001, :accredited to ISO/IEC 17025 and ANSI/NCSL Z540-1-1994 by the American Association of Laboratory Accreditation (A2LA Certificate # 2117.01). We are also compliant to ISO-10012, 10CFR Part 21 and the expired MIL-STD-45662A

Our ever-expanding library contains calibration procedures for all types of Electrical, RF Electronics, Biotech/Medical, Temperature/Environmental, and Mechanical/Dimensional equipment.

Hayes Instrument Service is a major, well-respected calibration and repair laboratory. Our Test Equipment Division offers a wide variety of refurbished equipment for sale, rental, or lease/purchase fully calibrated and warranted for one hundred and twenty (120) days.