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ASC-950-DP Automatic Sample Changer

ORTEC Model ASC-950-DP Alpha Beta Radiation Counting Automatic Sample Changer
  • Automatic Sample Changer
  • Dual Phosphor Scintillator Detector
  • Touch Screen Interface
  • Lightweight Portability
  • 2 in. (5.1 cm) Standard Planchet Diameter
  • Radon Compensation For Air Filters
  • Optional Cosmic Guard Detector
  • 50 Sample Capacity (Optional 100)
  • Gross Alpha/Beta Counter
  • Gasless
  • Literature +

  • More Information +


    The ASC-950-DP is a high-speed counter equipped with a dual phosphor scintillator type detector that supports gasless operation and easy portability. Cosmic background radiation reduction is possible with the optional Anti-Coincidence Guard Detector. DUO Express software allows for easy system programming, data management, and control chart maintenance. Multiple instruments can be connected for user convenience. This sample counter is ideal for standard Health Physics applications such as smears and air filters.

    Includes 1 ea. PIC Link Cable, 1 each Standard Carrier Set, and 55 ea. 1/8 in Inserts.
  • Specifications +


    Optimized for Higher Energy Betas
    Typical Efficiency
    Source Top 1/8" Bottom 1/4" Bottom 5/16" Bottom
    Pu-239 34% 30% 24% 21%
    SrY-90 45% 40% 35% 34%
    Tc-99  24% 21% 19% 18%
     Background
    Condition Warranted (CPM) Typical (CPM)
    Alpha Beta Alpha Beta
    With Lead and Guard <0.2 <25 0.05 12 
    With Guard, No Lead <0.2 <30 0.03 15
    With Lead, No Guard <0.2 <55 0.08 35
    No Guard or Lead <0.2 <65 0.06 40

    Optimized for Lower Energy Betas
    Typical Efficiency
    Source Top 1/8" Bottom 1/4" Bottom 5/16" Bottom
    Pu-239 35% 30% 24% 22%
    SrY-90 47% 41% 36% 35%
    Tc-99 26% 24% 20% 19%
     Background
    Condition Warranted (CPM) Typical (CPM)
    Alpha Beta Alpha Beta
    With Lead and Guard <0.2 <25 0.05 13 
    With Guard, No Lead <0.2 <30 0.05 23
    With Lead, No Guard <0.2 <55 0.05 41
    No Guard or Lead <0.2 <65 0.06 55

    Instrument Specifications
    Sample Detector 2 in (5.1 cm) dia. ZnS + plastic dual phosphor
    Window Aluminized, 80 µg/cm2
    Sample Size 2 in (5.1 cm) diameter planchets, 1/8, 1/4, or 5/16 in (3.2, 6.3, or 7.9 mm) deep 
    Sample Transport 50 sample automatic changer with barcode reader and sample range 1–999
    Count Modes Alpha only, Alpha/Beta simultaneously, Alpha then Beta
    Interface Touch Screen
    Data Export USB PIC Link, USB Flash Drive
    Power 110–240 V ac, 50–60 Hz Input
    Dimensions 50 Sample: 36 in H x 23.5 in W x 23.5 in D (91.4 x 59.7 x 59.7 cm)
    100 Sample: 54 in H x 23.5 in W x 23.5 in D (137.2 x 59.7 x 59.7 cm)
    Weight 50 Sample: 110 lb (49.9 kg)
    100 Sample: 120 lb (54.4 kg)
  • Ordering Information +


    Model Description
    ASC-950-DP
    Automatic Sample Changer
    Options  
    110-0173 Cosmic Guard Detector, 5 lb (2.3 kg)
    120-0010-ASC Lead Ring, 50 lb (22.7 kg)
    120-0011 Cart
    120-0033-ASC Standard Carrier Set (1–50 + QC + Routine)
    120-0034-ASC Carrier Set of 50 (Any Sequence)
    120-0036-ASC 100 Sample Option (adds ~18 in. to height and 10 lbs.)
    120-0075-ASC-50 50 Sample Stack, Stand, and Carrier Set
    120-0075-ASC-100 100 Sample Stack, Stand, and Carrier Set
    140-0305 Carrier Inserts, 50 ea., 1/8 in., 1/4 in. or 5/16 in.
    700-0007 Planchet, 2 inch x 1/8 inch, set of 100
    700-0008 Planchet, 2 inch x 1/4 inch, set of 100
    700-0009 Planchet, 2 inch x 5/16 inch, set of 100
    Vista FC 
    Health Physics Applications Software
    DUO Express
    Software for operation in the Color Touch Screen Interface Mode