Pug-7N Neutron Detector - Analog

  • Model: Pug-7N


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The PUG-7N is a complete fast-slow neutron monitor. The Neutron PUG detects fast and slow neutrons using a thermal neutron scintillation detector with moderator. When the PNS-20 detector is external to the moderator, thermal neutrons are detected and measured by means of counts produced in the scintillation detector. Signals are displayed on the analog meter display. The polyethylene moderator is surrounded by a cadmium shield. The cadmium shield absorbs thermal neutrons and allows other neutrons to enter the moderator. The moderator thermalizes the entering neutrons allowing them to stimulate the scintillation detector. When the thermal neutron detector is within the moderator, thermal neutrons are excluded by the cadmium layers and the detector measures only fast neutrons which have entered the moderator and been thermalized.


-Detects fast and slow neutrons
-Gamm Rejection to 100R/hr
-Lightweight - less than 9 lbs.
-Four Ranges
-Operates on D Cell batteries
-CE Mark


Principle of Operation: Boron - 10 in ZnS (Ag) scintillator matrix (neutron, alpha reaction) and photomultiplier tube, polyethylene moderator.
Epithermal to fast (Probe in moderator)
Thermal (Probe removed from moderator)
PNS-20Size: 2'' diameter x 8'' L
Moderator Size: Approximately 5'' diameter x 6'' L
Weight: 8-3/4 pounds total weight
Shipping Weight: 15 pounds
Dimensions: 10-1/4'' L x 10'' H x 6'' W, including handle
Batteries: 2 each 9 Volt transistor battery, Eveready # 1222 or equivalent
0-500; 5,000; 50,000; 500,000 cpm
Corresponds with 0-8; 80; 800; 8,000 thermal neutrons/cm2/sec. (Nominal)
Gamma Rejection: Insensitive to gamma in field up to 100R/hr.

This product was added to our catalog on Thursday 24 October, 2019.


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