InstroTek Products

InstroTek MC3 Elite – the cutting edge of simplicity


InstroTek MC3 Elite™ is an advanced, yet easy to operate moisture density gauge designed for all operators ranging from new technicians to those with advanced density testing experience.
The MC3 Elite is the result of over 40 years of testing experience, and is constructed to withstand rugged, construction testing environments.
It features a simple operator interface, NEW large backlit LCD display, illuminated keypad, precision machined base and is designed with reliable, surface-mount electronics.

All InstroTek / CPN gauges are backed by unmatched reliability, technical support and low maintenance costs.

The MC3 Elite is loaded with simple, user friendly functions. Density, moisture and other required field parameters are automatically calculated and displayed and can be stored under specific user-designed projects. The data can be easily downloaded to a computer, printer or written to a USB flash drive.

The gauge is equipped with a reliable, non-contact magnetic depth indicator and state-of-the-art moisture resistant electronics. The battery pack is designed to provide weeks of operation and is integrated with a 9V battery for backup. The mechanical design includes a machined, aluminum base and a rugged, polycarbonate topshell designed to withstand the demands of the toughest construction and testing environments.

An advanced gauge with improved functions:

  • NEW! Backlit 4 x 20 LCD display with 9mm characters for maximum visibility
  • User friendly software
  • Precision machined base and components
  • High reliability, updated and improved electronic design
  • Illuminated keypad
  • USB flash drive storage for cablefree data download
  • Superior, durable polycarbonate topshell design
  • Industry’s BEST warranty




    Density Measurement Range

    Moisture Measurement Range

    Density Source

    Moisture Source

    Density Source Activity

    Moisture Source Activity


    BS one-minute test

    Transmission one-minute test

    Moisture one-minute test




    SURFACE ROUGHNESS ERROR (0.05 in. 100% void)






    Power Source

    Battery Life


    Memory Storage

    Gauge Size


    Shipping Weight


    ASTM D6938, D2950, D7013, D7759, C1040 and AASHTO T310

    70 to 170 pcf
    (1.120 to 2.73 gcc)

    0 to 40 pcf (0 to 0.64 gcc)

    Cesium 137

    Americium 241: Beryllium

    Maximum (10 mCi) 370 Mbq

    Maximum (50 mCi) 1.85 GBq


    ±0.50 pcf (0.008 gcc)(at 125 pcf)

    ±0.25 pcf (0.004 gcc)(at 125 pcf)

    ±0.25 pcf (0.004 gcc)(at 10 pcf)


    ±1.00 pcf (0.016 gcc)

    ±0.75 pcf (0.012 gcc)


    – 4.00 pcf (0.064 gcc)

    – 0.50 pcf (0.008 gcc)


    – 14° to 167°F (-10° to 75°C)

    Up to 350°F (175°C)

    6-Cell AA NiMH battery pack with a single 9V alkaline for backup

    500-1000 recharge/discharge cycles

    Large 4 line X 20 character LCD display with 9mm tall characters

    10 Projects with 40 readings each

    26.7″ H X 14.1″ W X 9.8″ D
    (67.8 x 35.8 x 24.8 cm)

    28.5 lbs (13 kg)

    90 lbs (40.82 kg)


Download MC3 Elite catalogue

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