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Main Office:

1395 N Hayden Rd Scottsdale, AZ 85257

Engineering/Geotechnical Equipment

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National Calibration Inc. (NCI) calibrates, repairs and sells temperature and humidity measuring equipment. If calibration needs require accurate monitoring of temperatures and/or linear measurement devices, NCI is your calibration source.

  • Thermometers
  • Ovens
  • Surveys
  • Calibration
  • Chart Recorders


These services are available via our mobile on-site field service. See how you can track your items via our online tracking service. You can Request a quote online.

Our Capabilities List:

• Compression Testing Machines

• Gyratory Compactors

• Gyratory Molds

• Kneading Compactors

• Marshall Stability Flow

• Nuclear Density Gauges

• Nuclear Thin Lift Gauges

• Pine Gyratory

• Proctor Molds

• Speedy Moisture Testers