Two new portable survey instruments: the field phoswich detector and the Wee Pee Pee

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As part of a continuing program to upgrade the health physics survey instrumentation at Los Alamos, we have recently developed two new portable instruments. The first is a fully portable phoswich detector for low energy photons from small amounts of plutonium and americium in the field. The instrument has a background that is 2 to 3 times lower than an equivalent thin NaI detector. The instrument features an aural popper, analogue rate meter, and timer/scaler with liquid crystal display. The second instrument, called the ''Wee Pee Wee,'' is an alpha air proportional probe with complete electronics and readout package mounted ... continued below

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Pages: 20

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Umbarger, C.J. & Wolf, M.A. January 1, 1978.

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As part of a continuing program to upgrade the health physics survey instrumentation at Los Alamos, we have recently developed two new portable instruments. The first is a fully portable phoswich detector for low energy photons from small amounts of plutonium and americium in the field. The instrument has a background that is 2 to 3 times lower than an equivalent thin NaI detector. The instrument features an aural popper, analogue rate meter, and timer/scaler with liquid crystal display. The second instrument, called the ''Wee Pee Wee,'' is an alpha air proportional probe with complete electronics and readout package mounted on the probe itself. The entire package has a mass of 0.66 kg (1.45 lb) and is carried and operated in one hand. For monitoring shoes and other places where it is difficult to read the count-rate meter, the meter is made detachable for clipping to a shirt pocket, etc. An audio popper, range scales to 100 K cpm, and visual checks for high voltage and battery levels are also included.

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Pages: 20

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Dep. NTIS, PC A02/MF A01.

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  • 11. symposium on radiation instrumentation, San Diego, CA, USA, 17 Jan 1978

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  • Report No.: LA-UR-78-48
  • Report No.: CONF-780110-9
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5050974
  • Archival Resource Key: ark:/67531/metadc1052398

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1978

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 2, 2018, 2:45 p.m.

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Umbarger, C.J. & Wolf, M.A. Two new portable survey instruments: the field phoswich detector and the Wee Pee Pee, article, January 1, 1978; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1052398/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.