• Automatic Sample Changer

  • 5.1cm (2 in.) Standard Planchet Diameter

  • Ultra-Low Background

  • Easy Maintenance

  • Easy Window Replacement

  • Gas-PRO™ Failsafe Counting

  • Radon Compensation for Air Filters

  • Gas Conservation



The WPC-1050 is a general purpose ultra-low background counting system, which is widely used for both health physics and radiochemistry applications.  The WPC-1050 is an improved design of the previous WPC-9550 that incorporates the same dependable mechanical platform with improvements, which include:

  • A built-in Color Touch Screen Interface
  • Ability to export data to a USB flash drive
  • Ability to program Routines on a PC running the included DUO software then transfer the Routines to the instrument via a USB flash drive
  • Optional Gas Flow Conservation Mode option available



All specifications are subject to change without notice

  Sample Changer Automatic
  No. of Detectors 1 + guard
  Counter Ultra-Low Background
  Sample Size 5.1 cm (2 in.)
  Interface Touch Screen
  Size 5.7 cm (2.3 in.) Diameter
  Type Pancake Style Gas Flow Proportional
  Window Aluminized, 80 µg/cm2
  Guard Detector 1 Large Gas Flow Proportional
  Counting Gas P-10, 60 cc/min @ 10 psi
  Gas-PRO™ Protection Yes
  Shielding 10.2 cm (4 in.) Thick
  Size 5.1 cm (2 in.) Diameter Planchets
  Capacity 50 (100 Optional)
  Depth 1/8, 1/4, 5/16 inch
  Reader Barcode
  Range 1–999
  Data Export USB Flash Drive, RS-232
  Type Touch Screen
  Compatible Software Vista FC, DUO Software, Vista 2000
  Alpha Background 0.05 cpm          0.1 cpm
  Beta Background 0.7 cpm            0.9 cpm
  Po210 Efficiency 40%
  Am241 Efficiency 40%
  Th230 Efficiency 40%
  Sr90/Y90 Efficiency 55%
  Tc99 Efficiency 35%
  Cs137 Efficiency 40%
  Alpha-Beta Crosstalk < 0.1%
  Beta-Alpha Crosstalk < 0.1%
  Count Modes Alpha only, Beta only, Alpha/Beta simultaneously, Alpha then Beta from Vista FC Software
  Size 83.8 x 81.3 x 63.5 cm (33 x 32 x 25 in.) (H x W x D) (50 Samples)
    129.5 x 81.3 x 63.5 cm (51 x 32 x 25 in.) (H x W x D) (100 Samples)
  Weight 195 kg (430 lb) Installed

Compatible Protean Application Software Packages

  • Vista 2000 Radiochemistry Applications Software
  • Vista FC Health Physics Applications Software
  • DUO Software (Used when Operating in the Color Touch Screen Interface Mode)



  • 100 Sample Stack