GMS312 Rolling Gamma Spectrum Core Logger
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The GMS312 Core Analyzer (GMS Core) is a Rolling Gamma Spectrum Core Logger designed to detect naturally occurring gamma radiation. Cores from 3.5 in. to 12 in. can be accommodated.
“…on site core analysis allows the operator to make effective, real-time assessments of the well site.”
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 are two measurement modes; Dynamic and 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 is made. In each mode, the depth is displayed.
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 Analyzer Application software.
- Rolling Spectral Core Gamma Logger
- API units
- Plot of Units vs Depth in Dynamic mode
- Factory preset 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 25 to 1000 mm/s (1 to 39.4 inches/s)
- Preset measurement intervals in Static mode from 25 to 1000 mm (1 to 39.4 inches)
- Preset sample periods in Static mode from 10 to 900s
- Handle for comfortable operation
- 480 x 272 pixel transflective LCD with white LED backlight
- Power ON / OFF
- Back / No
- Up / Down
- Left / Right
- Charging Input
- USB type B for connection to a PC
- 8 GB Internal Memory
- PC Software Core Analyzer Data Manager included
- Internal NiMH 7.2 V 6000 mAh battery
- ~12 hrs. operation at 20°C
- Input supply 110 to 240 V ac, supplied with world-wide connectors
- 72 x 72 mm (2.8" x 2.8") NaI(TI)
- 90 keV to 2,800 keV
- Operating Range -10˚C to 40˚C (14˚F -104˚F)
GMS312 Dimensions and Weight
- 320L x 320H x 150W mm (12.6"L x 12.6"H x 5.9"W)
- Case Dimensions
- 508 x 432 x 229 mm (20 x 17 x 9 in.)
- Total Weight with GMS310: 16.5 kg (36 lbs)