NGT-075-B Gamma Tool (175°C)

Now available as the NGT-075-B2!

NGT-075-B

Gamma Tools (.075” OD)

The  NGT-075-B gamma tool has an outside diameter of only 0.75” and is ideally suited for mounting within drill-collar walls for azimuthal gamma or bulk gamma applications. Encapsulated and cushioned within pre-molded high-temperature silicone pads, the printed circuit boards are protected from extreme shock and vibration.

Now available as the NGT-075-B2!

NGT-075-B

Gamma Tools (.075” OD)

The  NGT-075-B gamma tool has an outside diameter of only 0.75” and is ideally suited for mounting within drill-collar walls for azimuthal gamma or bulk gamma applications. Encapsulated and cushioned within pre-molded high-temperature silicone pads, the printed circuit boards are protected from extreme shock and vibration.

NGT-075-B Specifications

P/N 204-200-000

Detector  Scintillator Crystal Sodium Iodide, Na(TI)
Photomultiplier R4177A (Hamamatsu)
Mechanical Diameter (OD) 0.75”
Length (make-up) 13.7”
Weight 8.4 oz.
End Connectors Flying lead (Power, GND, Output)
Material Aluminum Alloy
Performance Sensitivity .76 CPS/API
Accuracy +/- 5% to 150°C
+/- 10% to 175°C
Environmental Operating Temperature -18°C to 175°C
Survival Temperature (reduced accuracy) -40°C to 200°C
Heat/Cool Rate, Max. 2.8°C (5°F) per minute
Vibration (3 axis) 50-1000Hz, Random 20G (14G RMS)
Shock (3 axis) 500G, 0.5ms, half-sine
Power Requirements DC Input Voltage 17-48 VDC, 50VDC Max.
Tool Current 8-11 mA
Output Signal Negative Pulse +5V to GND, 5 uSec width
MWD Tools | Gamma Sensors

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