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  HP-190A End window GM Detector


 
   Product Detail


The Model HP-190A hand probe uses a thin end-window GM tube for detection of relatively low energy beta and provides a limited sensitivity to high energy alpha particles. This probe can be matched with Thermo's portable survey meters, such as the Surveyor, ASP-2, E-600, RM-25 or Electra series.
 
Purchase Details
SKU : HP-190A 
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Specifications:
Application :Alpha/Beta/Gamma surveys
Detector Type :GM, non energy compensated, end window
Operating Voltage :900 V +/- 50V
Dead Time :200 uSec nominal
Mica Window Size :1.1 diameter (2.8 cm)
Mica Window Thickness :1.4 to 2.0 mg/cm^2
Gamma Sensitivity :~ 2,500 cpm/mR/h (Cs137)
Beta Efficiency (4 Pi) :~ 35% Sr90/Y90 ; ~ 25% Tc99 ; ~ 10% C14
Alpha Efficiency (4 Pi) :~ 6% Am241
Operating Temp :-67 degrees to +140 degrees F (-30 degrees to +60 degrees C)
Housing :ABS plastic
Connector :BNC
Size :1.53 diameter x 4.9 long (3.9 x 12.4 cm)
Weight :5.5 ounces (156 g)