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PQI 380 Plus


Non-Nuclear Asphalt Density Gauge

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PQI 380 Plus Non-Nuclear Asphalt Density Gauge
PQI 380 Plus Side View PQI 380 Front View PQI 380 Plus Back View PQI 380 Plus Handle PQI 380 Plus Case PQI 380 Plus Battery PQI 380 Plus Screen

Introducing TransTech Systems next generation Non-Nuclear asphalt density gauge, the PQI 380 Plus. This version of the PQI is fully equipped with a touch screen and a user friendly graphical user interface. The PQI 380 uses Microsoft Windows 10 for smooth operation, easy software upgrades and enhanced user support. IOS, Android application for data transfer and cloud storage, instantly send measurement data from the gauge to the cloud with just a QR code scan

PQI 380 Plus Highlights


  • Non-Nuclear technology
  • Asphalt density readings in 3 seconds
  • 800 x 480 LCD with projected capacitive touchscreen with anti-scratch surface
  • IOS, Android application for data transfer and cloud storage to the TransTech Connect App
  • Instantly send measurement data from the gauge to the cloud with just a QR code scan
  • Streamlined Workflow for Field Operators - reduced time spent on data entry
  • Connect to a broader ecosystem, seamlessly linking field measurements to onStation
  • Data management screen and the ability to disable data logging
  • Rugged, lightweight, aluminum shell
  • Handle extension attachment
  • Reflective vinyl graphics for higher visibility at night
  • Fast, reliable, accurate and repeatable readings in real time
  • No need for badges or licenses
  • No storage or transport concerns
  • 4 reading modes
  • Diagnostics mode
  • Download data files from the PQI 380 via USB drive

TransTech Connect is an innovative solution designed to simplify measurement data management for contractors, site pavers, and project teams. Featuring a QR-enabled gauge, a user-friendly mobile app, and a powerful web portal, this ecosystem eliminates manual data entry, reduces errors, and enhances efficiency.

📲 Download now and take control of your measurement data!

PQI 380 Plus FAQ's


  • Q: How long will the PQI 380 Plus last on a full charge?
  • A: 8-10 hours, depending on usage.
  • Q: When should I charge my PQI 380 Plus?
  • A: When the voltage indicator on the status bar reads 6.5volts. It is also a good idea to charge the PQI 380 Plus at the end of the day after use.
  • Q: How long does it take to recharge the PQI 380 Plus?
  • A: 4 hours.
  • Q: Will the PQI 380 Plus operate while charging?
  • A: No, the PQI 380 Plus is not operable while charging. An external battery charger can be purchased along with a second battery pack. Contact sales at 1-800-724-6306 for more information.
  • Q: How will I know when the PQI 380 Plus is fully charged?
  • A: When the LED indicator on the back of the gauge changes from red to green.
  • Q: Should the PQI 380 Plus remain in its original shipped case?
  • A: Yes, each case contains a standardization plate unique for that specific gauge.
  • Q: Is it necessary to calibrate the PQI 380 Plus annually?
  • A: Yes, TransTech Systems suggests annual calibration of the PQI 380 Plus gauge.
  • Q: Is the PQI 380 Plus case waterproof?
  • A: Yes.
  • Q: Can the PQI 380 Plus be used to measure core samples from a job site?
  • A: No.
  • Q: How do I get customer support for the PQI 380 Plus?
  • A: Call toll-free 1-800-724-6306 or 518-370-5558 (8:00 am – 5:00 pm EST - Monday – Friday) or Email Us
  • Q: What type of cleaning agents, if any, should be used to clean the sensor area of the PQI 380 Plus? How often?
  • A: WD-40 is a good cleaning agent. It is very important to spray the WD-40 on a rag and use on the sensor. DO NOT spray WD-40 directly on the sensor. Use when there is significant asphalt build up on the sensor. Be sure to clean the sensor after each days use.
  • Q: Does TransTech provide training for the PQI 380 Plus?
  • A: We welcome individuals to come to the TransTech Systems facility in NY, free of charge, for training. Please call toll-free 1-800-724-6306 to arrange dates and for any additional training information.
  • Q: Is the PQI 380 Plus available in languages other than English?
  • A: Yes, we can also program the interface for Chinese, French, German, Japanese, Norwegian, Polish, Russian, Spanish or Swedish.
  • Q: What type of warranty is available with a new PQI 380 Plus?
  • A: We offer a 1 year warranty on parts and labor for issues related to materials and workmanship on all new gauges.

PQI 380 Plus Library


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.

The PQI 380 Plus conforms to ASTM D7113 and AASHTO T 343