InstroTek, Inc.


Continuous Asphalt Density System

The Future of Zero Coring is Within Reach!

Find Out More

What's New

The NoNuke™ is a highly advanced non-nuclear asphalt density gauge. The NoNuke’s Moisture Presence Warning, Auto Surface-Roughness Correction and Gauge System Checks notify the user of potential gauge issues. It’s alphanumeric keypad that is simple, responsive, and easy to use. It has 2GB of storage and a USB port to download all test data. The NoNuke’s Bluetooth and FREE Mobile App. can take pictures, report GPS coordinates, view test results, and create reports that can be emailed from the field.


Winter Service Special Only 1 Month Left!

Take advantage of our special nuclear gauge service and calibration price, top-notch customer service and No Hassle Shipping! All calibrations are ISO 17025 accredited and NIST Traceable from all 6 of our locations.

Schedule Service

InstroTek Companies

On August 20th, 2008, InstroTek, Inc. completed the acquisition of CPN International, Inc. CPN, located in the San Francisco Bay Area has over 45 years of history and experience in the construction testing instrumentation.

read more

In February 2015, InstroTek completed the acquisition of HMA Lab Supply, Inc. of Richmond, Virginia. HMA Lab Supply specializes in equipment and supplies for the asphalt and aggregate testing industry and has been in operation for over 14 years.

read more

On May 16, 2018 InstroTek, Inc. completed the acquisition of Rainhart Company. Rainhart was established in 1945 by Charles Raines and Don Hart. Charles worked for Texas Department of Transportation and was a professor at the University of Texas. 

read more