Victoreen 471 Sensitive Wide Range Survey Meter

Victoreen 471 Radiation Survey Meter Detector
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Victoreen 471
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Datasheet
The Victoreen 471 Sensitive Wide Range Survey Meter is a more sensitive version of widely accepted model 470A. Featuring a 1 mR/hr full scale sensitivity the 471 is housed in a rugged metal case with all controls and meter conveniently located on the top. Its excellent energy response and wide dynamic range suggest many health physics uses.
 
Victoreen 471 Features
  • 1 mR/hr Most Sensitive Full Scale Range
  • Integrate and Rate Capability
  • Energy Corrected from 6 keV to 2 MeV
Victoreen 471 Specs
Radiation Detected Alpha above 3.4 meV, beta above 70 keV, gamma and X-rays above 6 KeV
Operating Ranges Rate: 12 overlapping ranges: 0-1, 3, 10, 30, 100 and 300 mR/h and R/hr; 0-10, 30, 100 and 300 µSv/h, 1 and 3 mSv/h; 0-10, 30, 100 and 300 mSv/h, 1 and 3 Sv/h
Integrate: 6 overlapping ranges: 0-1, 3, 10, 30, 100, and 300 mR; 0-10, 30, 100, and 300 µSv, 1 and 3 mSv
Response Time 90% of final reading within 8 sec. on 1 mR/hr range, 3 secs on 3 mR/hr range decreasing to less than 1 sec. on all other ranges
Detector Unsealed air ionization chamber with 1.1 mg/cm² mylar end window. Supplied with protective cover of tissue equivalent plastic 300 mg/cm²
Display 7.9 cm (3 1/8") taut band meter
Battery Complement Two 1.5 volt "D" cells and four 22.5 volt No. 505 batteries