Alpha/Beta

Alpha-Beta Detectors

Model 43-1-1

Ludlum Part Number: 47-2336

Alpha, Beta Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 30% Pu-239; 30% Sr-90/Y-90; 4% C-14

Window Active Area: 83 cm²
Window Open Area: 75 cm²
Alpha Background: less than 3 cpm
Beta Background: 300 cpm or less

Data Sheet Product Manual

Model 43-2-2

Ludlum Part Number: 47-2003

Alpha, Beta Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 25% Pu-239; 20% Sr-90/Y-90; 5% C-14

Window Active Area: 12 cm²
Window Open Area: 12 cm²
Alpha Background: less than 3 cpm
Beta Background: typically 50 cpm or less

Data Sheet Product Manual

Model 43-93

Ludlum Part Number: 47-2556

Alpha, Beta Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 20% Pu-239; 20% Sr-90/Y-90; 15% Tc-99
Window Active Area: 100 cm²

Window Open Area: 88 cm²
Alpha Background: 3 cpm or less
Beta Background: 300 cpm or less

Data Sheet Product Manual Detector Clips

Model 43-147

Ludlum Part Number: 47-4092

Alpha, Beta Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 20% Pu-239; 20% Sr-90/Y-90; 13% Tc-99
Window Active Area: 200 cm²

Window Open Area: 176 cm²
Alpha Background: 3 cpm or less
Beta Background: 400 cpm or less

Data Sheet Product Manual Detector Clips

Model 43-68

Ludlum Part Number: 47-2005

Alpha, Beta Radiation Survey
Air Proportional (P-10) Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 20% Pu-239; 20% Sr-90/Y-90; 30% Tc-99; 15% C-14; Gamma less than 1%

Window Active Area: 126 cm²
Window Open Area: 100 cm²
Alpha Background: 3 cpm or less
Beta/Gamma Background: typically 350 cpm

Data Sheet Product Manual

Model 43-143

Ludlum Part Number: 47-3887

Alpha, Beta Radiation Survey
Gas Proportional Radiation Detector
Used with Ludlum Models 3002, 2224-1, 2360
Efficiency (4π): 20% Pu-239; 20% Sr-90/Y-90; 30% Tc-99; 15% C-14; Gamma less than 1%

Window Active Area: 126 cm²
Window Open Area: 100 cm²
Alpha Background: 3 cpm or less
Beta/Gamma Background: typically 350 cpm

Data Sheet Product Manual

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