NaI crystal exhibits high light yield and is relatively insensitive to temperature variations. It has become the preferred material for oil well logging detector. We provided high-quality NaI crystal in Oil field. 

High temperature crystal 

Operating Temperature：25°C to 175°C

High temperature ruggedized crystal

Operating Temperature:25°C to 175°C

Vibration; 20g，20-1000Hz

Shock: 500g@1ms