Monitoring Systems

Nuclear Dynamics Pty Ltd supplies Ludlum radiation monitoring systems in South Africa.
Monitoring systems for area, portal, air, contamination and radiation safety applications.

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Air Monitors

Ludlum Model 3100

Ludlum Model 3100

  • Features
    • Tritium in Air Monitor Passed USA Military Tests Including: MIL-STD-810G, MIL-STD-461G, MIL-STD-901D, MIL-STD-1399-300B
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Ludlum Model 3101

Ludlum Model 3101

  • Features
    • Tritium in Air Monitor
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Ludlum Model 3102 Series

Ludlum Model 3102 Series

  • Features
    • Tritium in Air Monitors
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Ludlum Model 334A

Ludlum Model 334A

  • Features
    • Alpha Air Monitor
More Info
Ludlum Model 334AB-G

Ludlum Model 334AB-G

  • Features
    • Alpha-Beta Air Monitor
More Info
Ludlum Model 336

Ludlum Model 336

  • Features
    • Tritium In-Air Collector
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Area Monitor Controllers

Ludlum Model 3276

Ludlum Model 3276

  • Features
    • Auto-Ranging Digital Meter
    • Functions as a Frisker or an Area Monitor
    • Supports GM, Proportional & Scintillation Detectors
    • Adjustable Audio & Visual Alarms
    • HV Range: 500 to 1500 V 
More Info
Ludlum Model 375

Ludlum Model 375

  • Features
    • Digital Controller for Radiation Monitoring
    • Supports GM, Proportional, Scintillator & Neutron Detectors
    • Adjustable Audio & Visual Alarms
More Info
Ludlum Model 375-Dual

Ludlum Model 375-Dual

  • Features
    • Digital Controller for Radiation Monitoring
    • Dual Channel
    • Supports GM, Proportional, Scintillator & Neutron Detectors
    • Adjustable Audio & Visual Alarms
More Info

Area Monitoring Systems

Ludlum Model 375-10

Ludlum Model 375-10

  • Detector Type
    • Internal NaI Scintillator 5.1 x 5.1 cm (2.0 x 2.0 in.) 
  • Linear Range
    • 0.1 to 20 µSv/h (1 to 2000 µR/hr)
More Info
Ludlum Model 375-31H

Ludlum Model 375-31H

  • Detector Type
    • External 3He Tube with 22.9 cm (9 in.) diameter moderator
  • Linear Range
    • 0 to 100 mSv/h (0 to 10 rem/hr)
  • Features
    • Digital Area Monitor
    • 3He Proportional Detector
    • Moderator: 22.9 cm (9.0 in.) dia.
    • Sensitivity: 10,000 cpm per mSv/h (100 cpm per mrem/hr)
    • Range: 0 to 100 mSv/h (0 to 10 rem/hr)
More Info
Ludlum Model 375-9

Ludlum Model 375-9

  • Detector Type
    • External Model 45-9 Ion Chamber
  • Linear Range
    • Any 4 Consecutive Decades Between 0.1 mR/hr to 100 R/hr
More Info
Ludlum Model 375/1

Ludlum Model 375/1

  • Detector Type
    • Internal 18 mm CsI Detector
  • Linear Range
    • 0.1 to 9999 µR/hr
More Info
Ludlum Model 375/2

Ludlum Model 375/2

  • Detector Type
    • Internal Energy Compensated GM
  • Linear Range
    • 1.0 µSv/h to 10 mSv/h (0.1 mR/hr to 1.0 R/hr)
More Info
Ludlum Model 375/4

Ludlum Model 375/4

  • Detector Type
    • Internal Energy Compensated GM
  • Linear Range
    • 10 µSv/h to 100 mSv/h (1.0 mR/hr to 10 R/hr)
More Info

Article Monitors

Ludlum Model 54

Ludlum Model 54

  • Features
    • Chamber (H x W x L): 50.8 x 50.8 x 50.8 cm (20 x 20 x 20 in.)
    • 2 Doors
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Ludlum Model 54A

Ludlum Model 54A

  • Features
    • Chamber (H x W x L): 35.6 x 35.6 x 35.6 cm (14 x 14 x 14 in.)
    • 1 Door
More Info
Ludlum Model 54R Series

Ludlum Model 54R Series

  • Features
    • Retrofit Existing Small Article Monitor with Model 54 Functionality
More Info
Ludlum Model HWM-100

Ludlum Model HWM-100

  • Features
    • Chamber (H x W x L): 460 x 460 x 460 mm (18.1 x 18.1 x 18.1 in.)
    • 2 Doors
More Info
Ludlum Model HWM-180

Ludlum Model HWM-180

  • Features
    • Chamber (H x W x L): 600 x 550 x 550 mm (23.6 x 21.7 x 21.7 in.)
    • 2 Doors
More Info
Ludlum Model HWM-1800

Ludlum Model HWM-1800

  • Features
    • Chamber (H x W x L): 1,210 x 1,120 x 1,380 mm (47.6 x 44.1 x 54.3 in.)
    • 1 Door (2 Door Option)
    • Electric Conveyor
More Info
Ludlum Model HWM-1800C

Ludlum Model HWM-1800C

  • Features
    • Chamber (H x W x L): 1,210 x 1,120 x 1,380 mm (47.6 x 44.1 x 54.3 in.)
    • 1 Door (2 Door Option)
    • Electric Conveyor
    • Integrated in Shipping Container
More Info
Ludlum Model HWM-21

Ludlum Model HWM-21

  • Features
    • Chamber (H x W x L): 190 x 295 x 370 mm (7.5 x 11.6 x 14.6 in.)
    • 2 Doors
More Info
Ludlum Model HWM-300

Ludlum Model HWM-300

  • Features
    • Chamber (H x W x L): 600 x 700 x 865 mm (23.6 x 27.6 x 34.1 in.)
    • 1 Door (2 Door Option)
More Info
Ludlum Model HWM-38

Ludlum Model HWM-38

  • Features
    • Chamber (H x W x L): 281 x 352 x 390 mm (11.1 x 13.9 x 15.4 in.)
    • 2 Doors
More Info
Ludlum Model HWM-400

Ludlum Model HWM-400

  • Features
    • Chamber (H x W x L): 900 x 700 x 750 mm (35.4 x 27.6 x 29.5 in.)
    • 1 Door (2 Door Option)
More Info
Ludlum Model HWM-400S

Ludlum Model HWM-400S

  • Features
    • Chamber (H x W x L): 900 x 700 x 750 mm (35.4 x 27.6 x 29.5 in.)
    • 1 Door (2 Door Option)
    • Manual Conveyor
More Info
Ludlum Model HWM-550

Ludlum Model HWM-550

  • Features
    • Chamber (H x W x L): 1,100 x 700 x 700 mm (43.3 x 27.6 x 27.6 in.)
    • 1 Door (2 Door Option)
    • Electric Conveyor
More Info
Ludlum Model HWM-550S

Ludlum Model HWM-550S

  • Features
    • Chamber (H x W x L): 1,100 x 700 x 700 mm (43.3 x 27.6 x 27.6 in.)
    • 1 Door
More Info
Ludlum Model HWM-65

Ludlum Model HWM-65

  • Features
    • Chamber (H x W x L): 400 x 400 x 400 mm (15.75 x 15.75 x 15.75 in.)
    • 2 Doors
More Info

Body Monitors

Ludlum Model HBP-22

Ludlum Model HBP-22

  • Features
    • Beta Body Monitor
    • Plastic Scintillation Detectors
More Info
Ludlum Model HBP-29

Ludlum Model HBP-29

  • Features
    • Beta or Alpha-Beta Body Monitor
    • Plastic Scintillation Detectors
More Info

Contamination Monitors

Ludlum Model 239-1F Series

Ludlum Model 239-1F Series

  • Description
    • Alpha-Beta Floor Monitor Large area gas proportional detector, either Model 43-37 or Model 43-37-1, mounted on a roll-around cart. Configurations:
      • With Model 12 Meter and Model 43-37 Detector
      • With Model 2221 Scaler-Ratemeter and Model 43-37 Detector
      • With Model 2224-1 Scaler-Ratemeter and Model 43-37-1 Detector
      • With Model 2350-1 Data Logger and Model 43-37 Detector
      • With Model 2360 Data Logger and Model 43-37 Detector
  • Part Number
    • 48-1702
    • 48-2085
    • 48-2748
    • 48-2594
    • 48-2922
More Info
Ludlum Model 240 Series

Ludlum Model 240 Series

  • Description
    • Alpha-Beta Floor and Wall Monitor Includes up to 12 gas proportional or scintillation detectors for surveying large areas mounted on a roll-around cart. Configurations:
      • Model 240 Gas Proportional Floor and Wall Monitor
      • Model 240S Scintillation Floor and Wall Monitor
      • Model 240-1 Gas Proportional Floor Monitor
      • Model 240S-1 Scintillation Floor Monitor
  • Part Number
    • 48-3956
    • 48-4131
    • 48-4122
    • 48-4132
More Info
Ludlum Model 3002/FM Series

Ludlum Model 3002/FM Series

  • Description
    • Alpha-Beta Floor Monitor Includes two alpha-beta scintillation detectors and Model 3002 meter. Configurations:
      • Model 3002/FM1: 2 ea. Model 43-147 detectors arranged with 22.4 cm (8.8 in.) total window width
      • Model 3002/FM2: 2 ea. Model 43-147 detectors arranged with 40.9 cm (16.1 in.) total window width
      • Model 3002/FM3: 2 ea. Model 43-204 detectors arranged with 65.7 cm (25.9 in.) total window width
  • Part Number
    • 48-4037-1
    • 48-4037-2
    • 48-4037-3
More Info

Hand & Foot Monitors

Ludlum Model 177HFM

Ludlum Model 177HFM

  • Features
    • Alpha-Beta-Gamma Hand & Foot Monitor
    • Model 177 Benchtop Meter
    • Model 44-25 & Model 44-26 Pancake GM Detectors
    • Low Cost
More Info
Ludlum Model 215

Ludlum Model 215

  • Features
    • Alpha Frisker & Hand Monitor
    • Air Proportional Detector with Integrated Electronics
More Info
Ludlum Model 3276HFM

Ludlum Model 3276HFM

  • Features
    • Alpha-Beta-Gamma Hand & Foot Monitor
    • Model 3276 Benchtop Meter / Area Monitor
    • Model 44-25 & Model 44-26 Pancake GM Detectors
    • Optional Model 44-9 Frisker Detector
    • Low Cost
More Info
Ludlum Model 3277HFM

Ludlum Model 3277HFM

  • Features
    • Compact Alpha-Beta Hand & Foot Monitor
    • Plastic Scintillation Detectors
    • Optional Frisker
    • Optional Rechargeable Battery Backup
More Info
Ludlum Model 4901P

Ludlum Model 4901P

  • Features
    • Beta-Gamma Hand & Foot Monitor
    • Pancake GM Detectors
More Info
Ludlum Model 4906A

Ludlum Model 4906A

  • Features
    • Alpha Hand & Foot Monitor
    • Air Proportional Detectors
More Info
Ludlum Model 4906AB

Ludlum Model 4906AB

  • Features
    • Alpha-Beta Hand & Foot Monitor
    • Gas Flow Proportional Detectors
More Info
Ludlum Model 4906P

Ludlum Model 4906P

  • Features
    • Alpha-Beta-Gamma Hand & Foot Monitor
    • Pancake GM Detectors
More Info
Ludlum Model HF-2S

Ludlum Model HF-2S

  • Features
    • Alpha/Beta, Beta, or Beta-Gamma Hand & Foot Monitor
    • Plastic Scintillation Detectors
    • Detectors Can Fold Up When Not In Use
More Info
Ludlum Model HFC-8

Ludlum Model HFC-8

  • Features
    • Alpha/Beta, Beta, or Beta-Gamma Hand & Foot Monitor
    • Plastic Scintillation Detectors
    • Removable Hand Detector for Use as Probe
More Info

Laundry Monitors

Ludlum HLM-22, HLM-3G

Ludlum HLM-22, HLM-3G

  • Features
    • For Automatic Monitoring of Beta/Gamma Contamination on Clothing and Textile Items
    • Automated Adjustable Distance Between Detector and Material
    • Plastic Scintillator Detectors
More Info
Ludlum HLM-6GP

Ludlum HLM-6GP

  • Features
    • For Automatic Monitoring of Beta Contamination on Clothing and Textile Items
    • Automated Adjustable Distance Between Detector and Material
    • Gas Proportional Detectors
More Info
Ludlum Model 329-32

Ludlum Model 329-32

  • Features
    • For Automatic Monitoring of Alpha and Beta-Gamma Contamination on Clothing
    • Simultaneous Monitoring of Upper and Lower Surfaces
    • Gas Proportional Detectors
More Info

Monitoring Systems

Ludlum Model 375-20

Ludlum Model 375-20

  • Features
    • Two 5.1 x 5.1 cm (2 x 2 in.) (Dia x L) NaI(Tl) Scintillator Detectors
    • Lead Shielding
    • Indoor/Outdoor Use
More Info
Ludlum Model 375-30

Ludlum Model 375-30

  • Features
    • Two 7.6 x 2.5 cm (3 x 1 in.) (Dia x L) NaI(Tl) Scintillator Detectors
    • Lead Shielding
    • Indoor/Outdoor Use
More Info
Ludlum Model 375P-1000

Ludlum Model 375P-1000

  • Features
    • Two 7866 cm3 (480 in3) Plastic Scintillator Detectors
    • Range: 0 to 9999 kcps
    • Outdoor Use
More Info
Ludlum Model 375P-2000

Ludlum Model 375P-2000

  • Features
    • Four 7866 cm3 (480 in3) Plastic Scintillator Detectors
    • Outdoor Use
More Info
Ludlum Model 375P-336 Series

Ludlum Model 375P-336 Series

  • Features
    • Two 2753 cm3 (168 in3) Plastic Scintillator Detectors
    • Range: 0 to 9999 kcps
    • Indoor or Outdoor Use Depending on Model
More Info

Portal Monitors

Ludlum Model 52

Ludlum Model 52

  • Features
    • Beta-Gamma Portal Monitor
    • Inside Width: 81.3 cm (32 in.)
    • Side & Foot GM Detectors
    • Portable
More Info
Ludlum Model 52-1, 52-5 & 52-6 Series

Ludlum Model 52-1, 52-5 & 52-6 Series

  • Features
    • Beta-Gamma Portal Monitor
    • Inside Width: 61 cm (24 in.) or 81.3 cm (32 in.)
    • Plastic Scintillator Detectors
    • Portable
More Info
Ludlum Model 52-8 Series

Ludlum Model 52-8 Series

  • Features
    • Beta-Gamma Portal Monitor
    • Plastic Scintillator Detectors
    • Weatherproof
    • Portable
More Info
Ludlum Model 53

Ludlum Model 53

  • Features
    • Gamma Portal Monitor
    • Inside Width: 61 cm (24 in.)
    • Plastic Scintillator Detectors
    • Lead Shielding
More Info

Scrap Monitoring Systems

Ludlum Model 375-600

Ludlum Model 375-600

  • Features
    • 10.3 L (630 in3) Plastic Scintillator Detector
    • Sensitivity: 30 kcpm per µr/hr (137Cs)
More Info
Ludlum Model 375P-1000

Ludlum Model 375P-1000

  • Features
    • Two 7866 cm3 (480 in3) Plastic Scintillator Detectors
    • Range: 0 to 9999 kcps
    • Outdoor Use
More Info
Ludlum Model 375P-2000

Ludlum Model 375P-2000

  • Features
    • Four 7866 cm3 (480 in3) Plastic Scintillator Detectors
    • Outdoor Use
More Info
Ludlum Model 375P-3500

Ludlum Model 375P-3500

  • Features
    • Conveyor Monitor
    • 57.4 Liter (3500 in3) Plastic Scintillator Detector
    • Range: 0.1 to 9999 kcps
More Info
Ludlum Model 4525 Series

Ludlum Model 4525 Series

  • Features
    • Large, High Sensitivity, Industrial Duty Detectors
    • Flexible Configurations with 2 to 6 Detectors
    • Real-Time Central Data Logging, Reporting & Alarm Notification
More Info
Ludlum Model 4530 Series

Ludlum Model 4530 Series

  • Features
    • Large, High Sensitivity, Industrial Duty Detectors
    • Flexible Configurations with 1 to 6 Detectors
    • Real-Time Central Data Logging, Reporting & Alarm Notification
More Info
Ludlum Vehicle Monitor Retrofits

Ludlum Vehicle Monitor Retrofits

  • Features
    • Retrofit existing portal monitor systems with Model 4525-Series electronics and software.
More Info

Vehicle Monitors

Ludlum Model 4525 Series

Ludlum Model 4525 Series

  • Features
    • Large, High Sensitivity, Industrial Duty Detectors
    • Flexible Configurations with 2 to 6 Detectors
    • Real-Time Central Data Logging, Reporting & Alarm Notification
More Info
Ludlum Model 4530 Series

Ludlum Model 4530 Series

  • Features
    • Large, High Sensitivity, Industrial Duty Detectors
    • Flexible Configurations with 1 to 6 Detectors
    • Real-Time Central Data Logging, Reporting & Alarm Notification
More Info
Ludlum Model 52-8 Series

Ludlum Model 52-8 Series

  • Features
    • Beta-Gamma Portal Monitor
    • Plastic Scintillator Detectors
    • Weatherproof
    • Portable
More Info
Ludlum Vehicle Monitor Retrofits

Ludlum Vehicle Monitor Retrofits

  • Features
    • Retrofit existing portal monitor systems with Model 4525-Series electronics and software.
More Info