Humboldt Pavement Scanner, HA-6000A.3F


Humboldt‘s Pavement Scanner with both radar compaction and infrared temperature sensors, generates maps of asphalt compaction and temperature with no nuclear sources needed.

The Humboldt Pavement Scanner measures asphalt pavement density using advanced radar technology without using nuclear sources. The radar sensor continuously scans the surface to produce compaction or density maps. Additionally, an integrated temperature sensor generates pavement temperature maps. Temperature differences indicate locations where the asphalt mix is not uniform in terms of temperature or mix (i.e., too little binder, different aggregate, etc.). Cold zones and improperly compacted zones lead to premature failure of the mat.

Data Visualization

The Humboldt Pavement Scanner produces two-dimensional maps of the work area rather than a handful of measurements at specific locations. These maps of compaction and temperature provide much more information than the spot measurements of traditional density gauges. The scanner has an integrated GPS so that compaction and temperature data can be exported into Google maps and sent to any smart device (cell phone or tablet) for viewing. The ability to view information in map form provides much better coverage, fast and easy interpretation.

A Better Alternative

The Pavement Scanner does not use any nuclear sources and does not emit dangerous radiation. Costs and risks associated nuclear sources are eliminated. No more nuclear safety training classes. No more source licensing headaches. The pavement scanner has been designed for high reliability and to be easy to use. All cabling has been eliminated to improve ease of use, and end common problems associated with connectors and cables.

What the Researchers are Saying

When laying down an asphalt mat, research has shown that cold spots are not compacted properly. The IR temperature sensor clearly delineates these zones. Compaction measurements from the radar sensor can be made even after the mat has cooled. The Transportation Research Board has published a detailed study that illustrates the the use of these instruments: Using Infrared and High-Speed Ground-Penetrating Radar for Uniformity Measurements on New HMA Layers, TRB, available at:

  • Maps of compaction and temperature provide a measure of uniformity that cannot be obtained with spot measurements from traditional density gauges.
  • Costs and risks associated with nuclear sources are eliminated.
  • No more nuclear safety training classes. No more source licensing headaches.
  • No Cables in Operation. No cables to get frayed, and no damaged or dirty connectors to replace.
  • Easy Setup— disassembles into three pieces for easy storage in shipping case.
  • Easy Charging— the shipping case’s integrated charger can charge all
    system components simultaneously.
  • 2GHz, bi-static radar antenna
  • Non-contacting IR temperature sensor
  • Requires the use of a Dell Latitude tablet computer.
    (purchased separately, see below)
  • WiFi connection between sensor and tablet for cableless operation
  • Durable construction with IP65 ingress protection
  • Positioning system includes wireless odometer, GPS and optional inertial measurements
  • Provides continuous real-time pavement density and temperature measurements
  • Calibrate the unit from core measurements, in-lab or in-field
  • Generate maps of pavement density and temperature
  • Rechargeable 4400mAh LiFePO4 battery for up to 6 hours continuous operation
  • Unit comes with spare battery and integral charging station located in case
  • Shipping Dimensions: 36" x 28" x 20" (91.4 x 71.1 x 50.8cm)
  • Weight: 99 lbs. (45kg)

HA-6000A.3F Complete System Includes:
2 GHZ radar antenna, scan cart, 2 batteries and carrying case with integral battery charger.

Required, but purchased separately—
Dell Latitude tablet computer— HA-6200

Dell Latitude 7212, Rugged 11.6" FHD TouchScreen - Intel Core i5-7300U, 256GB SSD, 16GB RAM, GPS, 2 Webcam, Windows 10 Professional, Wi-fi, Bluetooth.

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