GMS312

Rolling Core Spectral Analyser for On-site Core Logging

The GMS312 Core Analyser is a Rolling Gamma Spectrometer designed to detect naturally occurring gamma radiation. Cores from 3 1/2in to 12in can be accommodated.

The GMS312 offers the ability to log elemental concentrations of Uranium, Thorium, and Potassium by means of spectral analysis of gamma emissions from core materials. Data can be displayed in either API units or counts in six user defined Regions of Interest plus gross gamma count.

There two measurement modes; either Dynamic or Static. In the Dynamic mode, continuous measurements are made whilst the GMS312 is rolled along the core at a preset speed. In the static mode, the GMS312 is moved to each location and a static measurement made. In each mode, the depth is displayed.

“…on site core analysis allows the operator to make effective, real-time assessments of the well site.”

Survey results are saved to the internal memory of the instrument, so that they may be downloaded and analyzed on a PC via the Core Analyser Application software

  • Rolling Spectral Core Gamma Logger
  • Handle for comfortable operation
  • API units
  • Plot of Units vs Depth in Dynamic mode
  • Factory Pre-set Regions of Interest:
Potassium, Uranium, Thorium & Total Gamma (KeV)
  • 3 additional optional user defined Regions of Interest
  • Data Logging
  • Background Correction
  • Metric, imperial or US units
  • Preset rolling speeds in Dynamic mode from 25mm to 1000mm/s
  • Preset measurement intervals in Static mode from 25 to 1000mm
  • Preset sample periods in Static mode from 10 to 900s
Item Data
Display 480 x 72 pixel TFT Transflective Colour LCD with white LED backlight daylight readable
User controls Power ON/OFF
Backlight
Back/No
Accept
Up
Down
Left
Right
Connections Charging input
USB type B for connection to a PC
Memory 8Gb Internal Memory
PC Software Core Analyzer Data Manager included
Power Internal NiMH 7.2V 6000mAh battery
Power Supply Input supply 110 to 240V ac, supplied with world-wide connectors
Detector 72 x 72mm NaI(Tl)
Energy range 90keV to 2800keV
Temperature Operating range -10˚C to 40˚C
IP Rating IP54
Dimensions 320mm long, 320mm high, 150mm wide
Weight 15kg
Transport case dimensions TBC
Weight TBC with GMS312 and accessories
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