Humboldt’s Gauges Provide:

  • High-quality — built to take a beating
  • Truly field-serviceable with parts readily available
  • Third-party calibration with no added costs
  • Exceptional calibration, leak test and repair services
Nuclear Gauge Customer
NX Gauge Nuclear Gauge
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Color Touch-Screen

The NX color touch-screen provides complete control or you can also use the menu‑driven touch pad.

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Ambient Light Sensor

Can sense the light and automatically power on backlight.

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Easy Self Repairs

The NX Gauge's modular design enables it to be serviced in the field by you, if necessary.

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Large Display

The EZ-2 has an easy to read, LCD large display. The large display includes a light Emitting Sensor with an auto/selectable backlight on/off.

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EZ Direct Readouts

Provides highly-accurate measurements of density and moisture that are automatically computed for direct readouts of wet density, dry density, moisture content, percent moisture, percent compaction, void ratio and air voids.

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Power Source AA Batteries (1200hrs)

Powered by six, standard AA alkaline batteries, which provide up to 1200 hours of service. No chargers needed— buy new batteries almost anywhere.

EZ-2 Gauge Nuclear Gauge

Nuclear Gauge Services


gauge services

Humboldt Gauge Calibration

Fast and EaZy, full-service Nuclear Gauge Calibration, Leak Tests and Repairs!

Humboldt maintains a complete ISO/IEC 17025: 2017 accredited repair and calibration facility at Humboldt Scientific in Raleigh, North Carolina. Here we provide repair and calibration services for Humboldt gauges, as well as those of the other manufacturers.


safety training

Nuclear Gauge Training

Online Radiation Safety Course

Available 24/7, this course can be taken for radiation safety certification.

View RSC Online Course Details

Radiation Safety Classroom Course

A classroom course in radiation safety and operation for users of nuclear portable Moisture Density Gauges.

View RSC Classroom Course Details

Radiation Safety Officer’s Classroom Course

A classroom training class to qualify participants to serve as facility Radiation Safety Officers.

View RSO Classroom Course Details