NGT-075 Gamma Tool Specifications

The CBG NGT-075 third-generation Gamma tool offers advanced protection and noise-suppression circuits in a high-performance, reduced-size sensor.

NGT-075 Specifications
Application	Geosteering/ MWD
Mechanical
Diameter (O.D.)	0.75″ (19.05 mm.)
Length (make up)	14.5″ (368 mm.)
Weight	8.5 oz. (240 grams)
End Connector Plug	7-pin circular, AirBorn MC-111-007-161-00WN-96M
Material	Aluminum Alloy
Pressure	NR
Performance
Typical Sensitivity	1.0 CPS per API
Accuracy	+/- 2% to 300°F. (150°C.) +/- 5% to 350°F. (175°C.)
Maximum API Range (at 5% error)	10,000 API
Thin-Bed Resolution (In 8″ hole diameter, at 50% points)	6.8″ (172 mm.) at 50% points
Environmental
Operating Temperature	-77 to +350°F. (-55 to 175°C.)
Survival Temperature	400°F. (204°C.)
Max Heat/Cool rate	5°F. (3°C.) per minute
Vibration (3 axis) 30-1000 Hz Random spectrum	30 G. with no excess counts
Shock (Z-axis)	500 G., 0.5 mS. duration
Shock (X or Y-axis)	1000 G., 0.5mS.
Power Requirements (all tools use NexGen electronics)
Input Voltage	+17 to +48 Volts DC
Input Current	11-8 mA. (9 mA at 28V)
Maximum Voltage	50 Volts
Output Signal
Negative Pulse	+5 volts to GND 5 uS fixed width