The RS-125 Super Spectrometer System is the state-of-the art hand-held radiation spectrometer available to rent today from Mount Sopris Instruments.


RS 125 Scintillometer rental gamma

This device can measure and store Total Count Data (in counts per second), Assay results, and GPS data. Use this device on your next continuous drill core assay or GPS oriented survey!


RS 125 Scintillometer rental screen

This system boasts full time-variable ASSAY capability with data in %K, ppm U and Th. The user can also view DOSE units (in Sv, Gy, R) to indicate radiation intensity. The RS-125 uses a large, 6.3 cu ins Sodium-Iodide detector that yields high resolution performance even with sample times as low as 60 seconds.

The system has a fully automatic spectrum stabilization system that uses the low radiation levels from surrounding geology to perform this analysis. (It can also be stabilized using a Cs-137 source if desired)



The RS-125 features an Audio system enabling a hands-and-eye-free survey. Simple one button operation complements the fully weatherproof design. The Super-SPEC will outlast your field surveys with a 8-12 hour rechargeable battery life (recharging system included!)


RS 125 Spectrometer equipment rental

RS 125 Super-Spec with durable case, battery charging cables, and USB connection cable


With the rental of the hand-held Gamma-Ray Spectrometer, you will also get RS-Analyst utility software, providing the option to view graphical and numeric views of the data; or download spectra data or Scan data + GPS. As always, when you rent from Mount Sopris, you also get industry-leading customer and technical support. Rent yours today!

Not sure if is the tool you need for your specialized survey? The RS-125 Super-SPEC has the following specifications:

  • 6.3 cu ins Sodium-Iodide detector
  • Full ASSAY capability with data in %K and ppm U and Th
  • Auto-stabilizing on the naturally occurring (K, U, Th) radioactivity
  • Does not require any test sources, so no radioactive sources required for technical operation
  • USB and Bluetooth connection capable
  • 4M memory
  • Full IP66 weatherproofing
  • Operational temperature range of -20 to 50 degrees Celsius
  • Recording with GPS optional


Check out the RS-125 Brochure for more information or contact!



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