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Model 43-37 Series
The Models 43-37 and 43-37-1 are large-area gas proportional detectors for alpha and beta survey. Originally designed to be used with the Model 239-1 Floor Monitor, both detectors are compatible with a number of counting instruments.
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Model 43-1-1
Alpha-Beta Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 83 cm2 (12.9 in2)
- Efficiency:
- 239Pu : 30%
- 90Sr/90Y : 30%
- 14C : 4%
Model 43-2-2
Alpha-Beta Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 9.7 cm2 (1.5 in2)
- Efficiency:
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239Pu : 25%
-
90Sr/90Y : 20%
-
14C : 5%
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Model 43-65-2
Alpha-Beta Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 63 cm2 (9.8 in2)
- Efficiency:
-
230Th : 20%
-
239Pu : 20%
-
99Tc : 15%
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90Sr/90Y : 20%
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14C : 1%
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Model 43-89
Alpha-Beta Scintillation Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 63 cm2 (9.8 in2)
- Efficiency:
-
230Th : 20%
-
239Pu : 20%
-
99Tc : 15%
-
90Sr/90Y : 20%
-
14C : 1%
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Model 43-93
Alpha-Beta Scintillation Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 100 cm2 (15.5 in2)
- Efficiency:
- 239Pu : 20%
- 99Tc : 15%
- 90Sr/90Y : 20%
Model 43-147
Alpha-Beta Scintillation Detector
- Detector Type: ZnS(Ag) + Plastic Scintillator
- Active Window Area: 200 cm2 (31.0 in2)
- Efficiency:
- 239Pu : 20%
- 99Tc : 13%
- 90Sr/90Y : 20%
Model 43-68
Alpha-Beta Scintillation Detector
- Detector Type: Rechargable Gas Proportional
- Active Window Area: 126 cm2 (19.5 in2)
- Efficiency:
- 239Pu : 20%
- 14C : 15%
- 99Tc : 30%
- 90Sr/90Y : 20%
- Gamma : 1%
Model 43-143-1
Alpha-Beta Detector
- Detector Type: Gas Proportional
- Active Window Area: 100 cm2 (15.5 in2)
- Efficiency:
- 239Pu : 20%
- 14C : 15%
- 90Sr/90Y : 20%
- Gamma: 1%
Model 43-37 Series
Alpha-Beta Gas Proportional Detector
- Detector Type: Gas Proportional
- Active Window Area: 100 cm2 (15.5 in2)
- Efficiency:
-
Gross Counting
-
239Pu : 20%
99Tc : 30%
90Sr/90Y : 30%
Gamma 1%
-
-
Alpha-Beta Counting
-
239Pu : 17.5%
99Tc : 20%
90Sr/90Y : 20%
Gamma 1%
-
-
Model 43-135-1
Large Area 2π Proportional Detector
- Detector Type: Gas Proportional For Large-Area Source Calibration
- Active Window Area: 500 cm2 (77.4 in2) Windowless
- Efficiency:
- 239Pu : 42%
- 230Th : 33%
- 99Tc : 55%
- 63Ni : 37%
- 90Sr/90Y : 55%