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  SENSITIVE GAMMA DETECTOR 
 
  SMALL DIAMETER 
 
  ANODIZED 
                ALUMINUM HOUSING 
 
  HIGH QUALITY 
                SCINTILLATOR
 |  | The 
              Model 5530/7530 is a NaI scintillation Probe. When used with a count 
              rate meter, it is useful for measuring background levels of Gamma 
              Radiation. When used with an MCA it can show the gamma radiation 
              spectrum. The sensitivity is high compared to standard GM detectors. 
              This probe is manufactured with a high quality NaI detector and 
              photomultiplier. The slim shape makes it easy to grasp. 
 Specifications
 
 
  Radiation detected: Gamma 
  Detector 
              size: 1" (2.5cm) Dia x 1"(2.5cm) Long NaI 
  Shielding: 
              Built in MuMetal Shield 
  Gamma sensitivity: 
              Approx. 300,000 cpm/mR/h (CS137) 
  Energy Range: 
              Above 30 KeV 
  Resolution: 
              ~ 8% @ 0.662 MeV 
  Size: 1.4"(3.5cm) 
              Dia x 8.5"(21cm) Long 
  High Voltage: 
              300-1000 VDC 
  Input Connector: 
              BNC 
  High Voltage 
              String: 100 Meg 
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