A. Sensor Type: scintillation counter;
B. Measuring Range: 0-500 API        Accuracy: ±2API@50API
C. Highest Operation Temperature: 175℃;
D. Operation Time of Battery (share with MWD): 600 hours;
E. Bottom Hole Storage Capacity of Gamma: 4Mb    
Measuring Point Storage: About 260,000
F. Storage Time: Around 48 days @ 16s interval
G. Vertical Resolution: 0.3m