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PQI 380


Non-Nuclear Asphalt Density Gauge

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PQI 380 Non-Nuclear Asphalt Density Gauge
PQI 380 Side View PQI 380 Front View PQI 380 Back View PQI 380 Handle PQI 380 Case PQI Measurement PQI Measurement PQI Measurement

Introducing TransTech Systems next generation Non-Nuclear asphalt density gauge, the PQI 380. 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 CE for smooth operation, easy software upgrades and enhanced user support.

PQI 380 Highlights


  • Non-Nuclear technology
  • Asphalt density readings in 3 seconds
  • Full color VGA display
  • LED backlight for easy visibility in light or dark situations
  • Customizable project entries
  • Customizable mix entries
  • 4 reading modes
  • Diagnostics mode
  • Download data files from the PQI 380 via USB drive
  • 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

PQI 380 Videos


PQI 380 FAQ's


  • Q: How long will the PQI 380 last on a full charge?
  • A: 8-10 hours, depending on usage.
  • Q: When should I charge my PQI 380?
  • A: When the voltage indicator on the status bar reads 6.5volts. It is also a good idea to charge the PQI 380 at the end of the day after use.
  • Q: How long does it take to recharge the PQI 380?
  • A: 4 hours.
  • Q: Will the PQI 380 operate while charging?
  • A: No, the PQI 380 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 is fully charged?
  • A: When the LED indicator on the back of the gauge changes from red to green.
  • Q: Should the PQI 380 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 annually?
  • A: Yes, TransTech Systems suggests annual calibration of the PQI 380 gauge.
  • Q: Is the PQI 380 case waterproof?
  • A: Yes.
  • Q: Can the PQI 380 be used to measure core samples from a job site?
  • A: No.
  • Q: How do I get customer support for the PQI 380?
  • 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? 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?
  • 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 availible 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?
  • A: We offer a 1 year warranty on parts and labor for issues related to materials and workmanship on all new PQI 380's.

PQI 380 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 conforms to ASTM D7113 and AASHTO T 343-12