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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