CH379-03 scintillation detector is a high temperature resistant and anti-vibration scintillation detector. It integrates high temperature NaI(Tl) crystal, high temperature PMT and voltage dividier circuit. The unique design ensures the stable performance of the detector in high temperature vibration environment. This product has the advantages of simple and convenient use, high reliability and not easy to damage. It is mainly used in natural gamma spectrum measurement in oil logging environment.