Alpha

Alpha Detectors

Model 215

Ludlum Part Number: 48-3695

Alpha Frisker, Hand Monitor, Glovebox Monitor
Alpha Air Proportional Radiation Detector with Integrated Electronics
10% Pu-239 Efficiency (4π)
User-Adjustable Alarm Audio
139 cm² Window Active Area
110 cm² Window Open Area

Operates up to 30 Minutes Between Charges
Detector Operates Independent of Stand
No Batteries, Cable or Gas Required

Data Sheet Product Manual

Model 43-1

Ludlum Part Number: 47-1516

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 33% Pu-239

Window Active Area: 83 cm²
Window Open Area: 75 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-2

Ludlum Part Number: 47-1517

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 30% Pu-239; 30% Th-230

Window Active Area: 12 cm²
Window Open Area: 12 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-5

Ludlum Part Number: 47-1521

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 13% Pu-239

Window Active Area: 76 cm²
Window Open Area: 50 cm²
Background: 3 cpm or less

Data Sheet Product Manual Detector Clips

Model 43-65

Ludlum Part Number: 47-1441

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 17% Pu-239; 17% Th-230

Window Active Area: 63 cm²
Window Open Area: 50 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-92

Ludlum Part Number: 47-2555

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 20% Pu-239

Window Active Area: 100 cm²
Window Open Area: 88 cm²
Background: 3 cpm or less

Data Sheet Product Manual Detector Clips

Model 43-136

Ludlum Part Number: 47-3829

Alpha Radiation Survey
ZnS(Ag) Scintillation Radiation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 20% Pu-239

Window Active Area: 65.3 cm²
Window Open Area: 57.9 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-40-2

Ludlum Part Number: 47-3434

Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 10% Pu-239

Window Active Area: 239 cm²
Window Open Area: 188 cm²
Background: 3 cpm or less

Model 43-40-3

Ludlum Part Number: 47-3435

Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 10% Pu-239

Window Active Area: 320 cm²
Window Open Area: 253 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-44

Ludlum Part Number: 47-1169

Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General Survey Radiation Purpose Meters, Ratemeters, Scalers
Efficiency (4π): 8% Pu-239

Window Active Area: 76 cm²
Window Open Area: 50 cm²
Background: 3 cpm or less

Data Sheet Product Manual

Model 43-44-1

Ludlum Part Number: 47-2385

Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Efficiency (4π): 8% Pu-239

Window Active Area: 154 cm²
Window Open Area: 100 cm²
Background: 3 cpm or less

Data Sheet Product Manual

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Office: (817) 599-9049

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