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NGT-100
NGT-100是CBG 2023年新推出的一款新一代小尺寸伽马传感器,其直径为 1.0 英寸,适合安装在钻铤壁内。采用多项新的技术,包括新的电子电路、抗震处理、,散热处理。相比较上一代0.75英寸的伽马传感器,NGT-100抗震性提高 43%,灵敏度提高 67%,是更苛刻钻井环境的完美小直径解决方案。
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NGT-100 Specifications
P/N 208-000-000
Detector | Scintillator Crystal | 0.75” X 4.2” |
---|---|---|
Photomultiplier | Hamamatsu R3991A | |
Mechanical | Diameter (OD) | 1.0” w/out shrink tubing sleeve 1.04” w/shrink tubing sleeve |
Length (make-up) | 12.0” | |
Weight | 14 oz. | |
Connectors | Flying lead (PWR, GND, Signal Out) | |
Material | Aluminum Alloy | |
Performance | Sensitivity | 1.25 CPS/API |
Accuracy | +/- 5% to 150°C +/- 10% 150°C to 182°C | |
Environmental | Temperature (Operating) | -15°C to 182°C |
Temperature (Survival) w/ reduced accuracy | -40°C to 200°C | |
Temperature ramp rate | 2.8°C (5°F) per minute | |
Vibration (3 axis) 50-1000 Hz, Random | 30G (20G RMS) | |
Shock (3 axis) | 750G, 0.5 ms, half-sine | |
Power Requirements | Power (DC input Voltage) | 10-48 VDC, 50VDC Max. |
Tool Current | 10mA @ 28V | |
Output Signal | Output Signal | Negative Pulse, +5V to GND, 5 usec pulse width |