TransTech Systems began engineering the non-nuclear density concept and filed for the original patent in 1997, and was awarded the patent in 1999. To learn more about this technology development over the past 20 years, click here.
Paving Season Is Here!
For the most accurate results with your PQI 380, start each day with a clean sensor.
Learn how to properly clean your PQI 380 sensor plate here.
We remain open to help with your density needs!
National Work Zone Awareness Week
Please pay attention to signs, changing traffic patterns, and working personnel while driving through work zones. Family and friends rely on you to drive safely! Spread the word - Protect Road Workers!
Get your FREE "Protect Road Workers Magnet" by clicking the link below:
