Advanced Control Unit (ACU)

About Troxler Products

Troxler Electronic Laboratories, Inc. is a world leader in the manufacturing of testing/quality control measurement equipment for the construction industry. We are recognized worldwide as the industry standard for Nuclear Moisture/Density Gauges. In addition to nuclear gauges, Troxler is also a leader in the production of Gyratory Compactors and Asphalt Ignition Ovens. Troxler continues to set new product standards of quality and precision in the construction industry. For a complete list of Troxler equipment, please review this Products section.

Upgrade your Model 3411 or 3401 Troxler nuclear gauge with the Advanced Control Unit. The ACU will transform an older gauge into a more modern gauge, very similar to the current Model 3430.  Special functions are available at the press of a button.  Offsets are applied with a simple series of keypresses - no more knobs and switches. Upgrade your Troxler gauge today with this authentic Troxler Advanced Control Unit to be sure to get only the best and most reliable parts, service and support.


  • Updated electronics are more reliable and less expensive to repair
  • Depth of source rod is programmed with a simple keypress
  • Calibration constants can be entered via the keypad
  • Special functions available are: special calibration, recall, stat test, drift test, air voids, and void ratio calculations
  • A 2-line by 16-character display screen allows you to view more measurement information at one time
  • A beep is heard after each keypress to confirm the action
  • Stat and drift test results automatically analyzed to determine pass/fail
  • Smart charging eliminates the possibility of over charging the gauge
  • Easy installation can be done in the field


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