Radiation Safety & Protection, LLC


  • Home
  • Ludlum Products
    • Radiation Meters >
      • General Purpose Meters
      • Ion Chambers
      • MicroR Meters
      • Neutron Meters
      • Friskers
      • Isotope Identifiers
      • Data Logging Meters
      • Multi-Detector Meters
      • Telescoping Meters
      • Scaler & Ratemeters
      • Personal Meters & Dosimetry
      • Pocket Meters
      • Benchtop Counters
      • Radiography Meters
      • Intrisically Safe Meters
      • Pulse Generators
      • Meter Accessories
    • Radiation Detectors >
      • Alpha
      • Beta
      • Gamma
      • Alpha/Beta
      • Alpha/Beta/Gamma
      • Beta/Gamma
      • Neutron
      • Pipe Detectors
      • Detector Accessories
    • Sample Counters >
      • Ludlum Alpha/Beta Counters
      • Protean Alpha/Beta Counters
      • Gamma Counters
      • Counter Electronics
      • Counter Heads
      • Sample Holders
      • Sample Planchets
    • Area Monitors >
      • Area Monitors
      • Area Monitor Controllers
      • Area Monitor Accessories
    • Air Monitors >
      • Alpha Beta Air Monitors
      • Tritium Air Monitors
    • Contamination Monitors >
      • Article Monitors
      • Hand & Foot Monitors
      • Portal Monitors
      • Body Monitors
      • Laundry Monitors
      • Floor Monitors
    • Waste Monitors
    • Metal Recycling >
      • Radiation Portal Monitors
      • Conveyor Monitors
      • Bag House Monitors
      • Slug Sample Monitors
      • Handheld Meters
    • Emergency Response >
      • Emergency Response Kits
      • Emergency Portal Monitors
      • Decontamination Kits
    • NORM Meters
    • Medical Physics >
      • Diagnostic Test Tools
      • CT/MRI Phantoms
      • Nuclear Medicine
      • Shielding Products
    • Ludlum Support
  • Bladewerx Products
  • Contacts
  • Shieldwerx Products
  • Radiation Resources
    • Radiation In Everyday Life
    • Radiation Safety
    • Radiation Detection & Measurement
    • Emergency Response
    • Government
    • Nuclear Power
    • Medical
    • Metal Recycling & Waste Management
    • Associations & Organizations
    • Journals & Magazines
    • International
    • Health Physics
    • Radiation FAQ's
    • ​Radiation Glossary
    • ​Radiation Abbreviations & Acronyms

Picture

​Ludlum Alpha Radiation Detectors


Picture
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

Picture
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

Picture
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

Picture
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

Picture
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

Picture
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

Picture
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
Data Sheet
Product Manual

Picture
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

Picture
Model 43-44
Ludlum Part Number: 47-1169
Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General Radiation Survey 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

Picture
Model 43-44-1
Ludlum Part Number: 47-2385
Alpha Radiation Survey
Air Proportional Radiation Detector
Used with most Ludlum General 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

Picture
Model 215
Ludlum Part Number: 48-3695
Alpha Radition 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
Alpha Spot Monitor
Detector Outline Drawing
Stand Outline Drawing


         Home          Contacts          Terms & Conditions          Privacy Policy          Disclaimer          
Picture
Radiation Safety & Protection, LLC
6555 Sugarloaf Parkway  Suite 307-333  Duluth, GA 30097
Phone: (770) 363-0925  Email:  [email protected]

                                     Copyright © 2025, Radiation Safety & Protection, LLC  All Rights Reserved