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Transcat – STI’s Parent Company

Full line card of equipment to include calibration instruments, dimensional tools, environmental testing, power quality, pressure, PM, process instruments, temperature instruments, and rentals.

Search by Product http://www.transcat.com/products/

Search by Branch http://www.transcat.com/products/

Pronk Technologies

Spectrum Technologies is now proud to offer new equipment for direct sale to our customers. We are the ONLY authorized service provider for Pronk Technologies.

Pronk Technologies’ goal is to provide innovative products to refine and streamline the biomedical maintenance and support process. Biomeds in the field need equipment that is portable, affordable, rugged, reliable, and easy to use. We design and manufacture specialized diagnostic tools that are tailored for this environment.


Pronk Technologies Visit Our Website Pronk Technologies


TSI Incorporated designs and manufactures precision instruments used to measure flow, particulate, and other key parameters in environments the world over. Every TSI instrument is backed by unique technical expertise and outstanding quality.

TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision measurement instruments, TSI partners with research institutions and customers around the world to set the standard for measurements relating to aerosol science, air flow, indoor air quality, fluid dynamics and biohazard detection. With headquarters based in the U.S. and field offices throughout Europe and Asia, TSI has established a worldwide presence in the markets we serve. Every day, our dedicated employees turn research into reality.

Bowles Corporation – UW-7 Ultrasound Wattmeter*

Bowles Corporation is no longer selling the UW-6, but will be coming out with the UW-7 in the near future.

The UW-6 is pictured here.

  UW-6 Ultrasound Wattmeter
Mastec Logo
Improving life. One Breath at a Time.
Maxtec is globally recognized for high quality products and our passion for complete customer satisfaction. We continue to shape the future of our industry by providing innovative products and superior customer service. At Maxtec, our goal is to make customers for life.

Rigel Medical Biomedical Safety Testing

For generations, we’ve been making biomedical test and measurement instruments for medical physics staff, biomedical service engineers and medical equipment manufacturers. We’ve always communicated closely with our users and historically this has meant that Rigel Medical has been a major asset synonymous with compliance to strict industry requirements.


Products from Pronk, TSI, Bowles and Maxtec are available for sale anywhere in the USA.

Datrend and Seaward Group U.S.A. Rigel Medical products are available in STI’s exlusive territory,
the northeastern United States which includes:

Connecticut • Delaware • District of Columbia • Maine • Maryland • Massachusetts • New Hampshire
New Jersey • New York • Pennsylvania • Rhode Island • Vermont • Virginia


Pronk Technologies Bowles Corporation Rigel Biomedical Safety Testing Maxtec