Model 43-10-1

The Model 43-10-1 is an alpha-beta sample counter head with detector and sample tray. The detector is a 6.4 cm (2.5 in.) diameter "phoswich": 0.25 mm (0.010 in.) thick plastic scintillator coated with zinc sulfide. The sample tray is capable of holding up to a 5.1 cm (2 in.) diameter filter or planchet.

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Model 43-90

Alpha Scintillation Detector

Detector Type: ZnS(Ag) Scintillator
Active Window Area: 125 cm² (19.4 in²)
Efficiency: ²³⁹Pu : 20%

Model 43-10

Alpha Sample Counter Head

Detector Type: Alpha ZnS(Ag) Scintillator
Max. Sample Size: 5.1 x 0.9 cm (2 x 0.4 in.) [D x L]
Efficiency: ²³⁰Th : 37%

Model 43-78

Alpha Sample Counter Head

Detector Type: Alpha ZnS(Ag) Scintillator
Max. Sample Size: 12.7 x 0.46 cm (5 x 0.18 in.) [D x L]
Efficiency: ²³⁰Th : 37% ²³⁹Pu : 37%

Model 43-10-1

Alpha Sample Counter Head

Alpha-Beta ZnS(Ag) + Plastic Scintillator
Max. Sample Size: 5.1 x 0.9 cm (2 x 0.4 in.) [D x L]
Efficiency:
- ²³⁹Pu : 37%
- ²³⁰Th : 32%
- ²³⁸U : 39%
- ¹⁴C : 5%
- ⁹⁹Tc : 27%
- ¹³⁷Cs : 29%
- ⁹⁹Sr/⁹⁰Y : 26%

Model 43-10-10

Alpha-Beta Sample Counter Head for iCam/Harwell Filters

Detector Type: Alpha ZnS(Ag) Scintillator
Max. Sample Size: 5.1 x 0.9 cm (2 x 0.4 in.) [D x L]
Efficiency:
- ²³⁹Pu : 37%
- ²³⁰Th : 32%
- ²³⁸U : 39%
- ¹⁴C : 5%
- ⁹⁹Tc : 27%
- ¹³⁷Cs : 29%
- ⁹⁹Sr/⁹⁰Y : 26%

Model 43-78-2

Alpha-Beta Sample Counter Head for iCam/Harwell Filters

Detector Type: Alpha-Beta ZnS(Ag) + Plastic Scintillator
Max. Sample Size: 5.1 x 1.0 cm (2 x 0.4 in.) [D x L] Adapted for iCam Filters
Efficiency: ²³⁹Pu : 40%

Model 44-110-4

Windowless Sample Counter Detector

Detector Type: Alpha-Beta Windowless Gas Flow Proportional
Max. Sample Size: 5.1 x 0.9 cm (2.0 x 0.4 in.) [D x L]
Efficiency:
- ³H : 3%
- ¹⁴C : 21%
- ⁶³Ni : 36%
- ²³⁹Pu : 42%