NOTICE: Manufacturing of the PQI 301 Non-Nuclear asphalt density gauge has been discontinued
Our intent is to support the PQI 301 for a limited time to allow for future planning by all of our customers. This page will remain published for remaining PQI 301 users who wish to refer to legacy manuals and library information. Contact our sales department or call 1-800-724-6306 / 518-370-5558 for information on our current generation PQI Non-Nuclear Asphalt Density gauge, the PQI 380.
The specifications listed below are made available for your reference only. You are responsible for ensuring that you are using the latest and most up to date specification from your state.