Founded in 1967

SCIENTIFIC INSTRUMENTS – OVER 53 YEARS OF CRYOGENICS

Scientific Instruments, Inc. was founded in 1967 by aeronautical engineer Jack Hoey and low temperature physicist Gilbert Halverson. Coming from aerospace and academic backgrounds, they saw a market need for cryogenic temperature measurement and developed one of the first Germanium Resistance Thermometers (GRT) and supplied these devices for use on the Apollo Lunar Program.

Today, Scientific Instruments, Inc is owned and operated by founder Jack’s daughter, Leigh Ann Hoey. An ISO 9001 certified company, Scientific Instruments is involved in the design and manufacturing of cryogenic temperature sensors for laboratory, industrial and medical applications, temperature indicators and controllers, petrochemical tank gauging systems for liquid natural gas (LNG) Storage tanks, and FAA-PMA certified temperature probes for commercial aircraft.

LEIGH ANN HOEY

A NOTE FROM OUR PRESIDENT

Leigh Ann Hoey

Leigh Ann Hoey

Chief Executive Officer, President
About Leigh Ann
1-800-466-6031

Leigh Ann Hoey, the daughter of Scientific Instruments founder John P. Hoey, has been the Chief Executive Officer and President since 2009. Leigh Ann was the Vice President of Finance of Scientific Instruments for 25 years prior to her current tenure as CEO. Leigh Ann holds a BS in Business Administration from Appalachian State University.

“I am very proud of our family owned and operated company serving various global partners and markets with our expertise in cryogenic measurement for over 50 years.”

Scientific Instruments’ product line reaches a global marketplace and is committed to providing the very best customer service with experienced staff and other fully trained, global representatives. Management stands behind its Quality System which supports and ensures customer requirements are met and fully satisfied.

SCIENTIFIC INSTRUMENTS PRODUCT DEVELOPMENT THROUGH THE YEARS

The initial products developed and manufactured by Scientific Instruments were cryogenic temperature sensors including Germanium Resistance thermometers and Silicon Diodes. These temperature sensing devices created opportunities in the aerospace, industrial and laboratory research industries. Of particular note is the fact that SII supplied a number of Germanium Resistance thermometers that were installed into Helium and Hydrogen systems on the Apollo space craft and at the end of the 1960’s flew on lunar landing missions.

The company presently is active in six distinct product areas, although separate; these products are “synergistic” as they are technologically related to temperature and liquid level measurement and control. With one exception, all product areas supported by Scientific Instruments are related to cryogenic applications, meaning extremely low temperatures, typically in range of 0.05K to 300.0K (-459.58 F to +250.0 F).

These products include cryogenic temperature sensors, cryogenic temperature instruments (controllers/monitors), liquid natural gas- level, temperature & density gauge (LTD), aerospace temperature probes, aircraft temperature probes, and industrial probes.

SCIENTIFIC INSTRUMENTS PRODUCT CERTIFICATIONS