Survey Meters

Nuclear Dynamics Pty Ltd supplies Ludlum radiation survey meters in South Africa.
Portable survey meters for contamination checks, dose rate measurement and field monitoring.

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Friskers General Purpose - Digital General Purpose - Analog Computerized Survey Meters Data Loggers Specialized Meters Geiger Counters Intrinsically Safe Ion Chambers Micro / MicroSV Meters Neutron Meters Pocket-Size Meters Stretch Scopes

Friskers

Ludlum Model 26S

Ludlum Model 26S

  • Scintillation Detector
  • Units: cps, cpm, µSv/h, mR/hr, dpm, Bq
Ludlum Model 26

Ludlum Model 26

  • Pancake GM Detector
  • Units: cps, cpm
Ludlum Model 26-1 Series

Ludlum Model 26-1 Series

  • Pancake GM Detector
  • Units: cps, cpm, µSv/h, mR/hr, dpm, Bq
  • Dose Equivalent Filter Option
Ludlum Model 26-2

Ludlum Model 26-2

  • Pancake GM Detector
  • Units: cps, cpm
  • 3 Alarm Levels
Ludlum Model 26-3

Ludlum Model 26-3

  • Pancake GM Detector
  • Units: cps, cpm, µSv/h, mR/hr, dpm, Bq
  • Dead-Time Correction Allowing Gamma Measurements up to 1000 mR/hr

General Purpose - Digital

Ludlum Model 3003 Series

Ludlum Model 3003 Series

  • Supports GM, Proportional, Scintillation & Neutron Detectors
  • Stores Up To 4 Detector Set-Ups
  • Internal Detector Option for Accumulated Dose
  • Includes Data Logging Capability
Ludlum Model 3014

Ludlum Model 3014

  • Supports GM, Proportional & Scintillation Detectors
  • Internal Detector for Accumulated Dose
  • Data Logging Capability
  • Single Channel Analyzer Capable
Ludlum Model 3001

Ludlum Model 3001

  • Supports GM, Proportional & Scintillation Detectors
  • Stores Up To 4 Detector Set-Ups
  • Optional Data Logging Capability
Ludlum Model 3002

Ludlum Model 3002

  • Supports Alpha-Beta Proportional & Scintillation Detectors
  • Includes Data Logging Capability
Ludlum Model 3000

Ludlum Model 3000

  • Supports GM, Proportional & Scintillation Detectors
  • Optional Data Logging Capability
Ludlum Model 30

Ludlum Model 30

  • Attaches to Detector Allowing One-Handed Operation
  • Supports GM, Proportional & Scintillation Detectors
Ludlum Model 35

Ludlum Model 35

  • Vehicle Mounted Digital Survey Meter
  • Supports GM, Proportional & Scintillation Detectors

General Purpose - Analog

Ludlum Model 3

Ludlum Model 3

  • 4-Range Analog Survey Meter
  • Supports GM & Scintillation Detectors
Ludlum Model 3A

Ludlum Model 3A

  • 4-Range Analog Survey Meter
  • Supports GM & Scintillation Detectors
  • Alarm
Ludlum Model 12

Ludlum Model 12

  • 4-Range Analog Survey Meter
  • Supports GM, Proportional & Scintillation Detectors
Ludlum Model 14C

Ludlum Model 14C

  • 5-Range Analog Survey Meter
  • Operates Two Detectors
  • Internal: GM Detector
  • External: Supports GM & Scintillation Detectors
Ludlum Model 16

Ludlum Model 16

  • 4-Range Analog Survey Meter
  • Supports GM, Proportional & Scintillation Detectors
  • Adjustable Window
Ludlum Model 18

Ludlum Model 18

  • 4-Range Analog Survey Meter
  • Supports GM, Proportional & Scintillation Detectors
  • Adjustable Window
  • 3 Detector Setups
Ludlum Model 2402

Ludlum Model 2402

  • 3-Range Analog Meter
  • Supports GM & Scintillation Detectors
  • Alarm
Ludlum Model 2403

Ludlum Model 2403

  • 4-Range Analog Meter
  • Supports GM & Scintillator Detectors

Computerized Survey Meters

Ludlum Model 4404-16 Series

Ludlum Model 4404-16 Series

  • Large Area Outdoor Survey Meter
  • NaI Scintillator Detector
  • Multi-Single-Channel Analyzers
  • Data Logging Program
  • Google Earth Compatible Files
Ludlum Model 4600 Series

Ludlum Model 4600 Series

  • 1 to 12 Detector Single Channel Analyzer
  • Supports GM, Proportional & Scintillation Detectors
  • Independently Adjustable HV, Threshold, Window, Scaler Count Time & Output Time for Each Channel
  • HV Range: 0 to 1500 V or 0 to 2500 V

Data Loggers

Ludlum Model 3003 Series

Ludlum Model 3003 Series

  • Supports GM, Proportional, Scintillation & Neutron Detectors
  • Stores Up To 4 Detector Set-Ups
  • Internal Detector Option for Accumulated Dose
  • Includes Data Logging Capability
Ludlum Model 3014

Ludlum Model 3014

  • Supports GM, Proportional & Scintillation Detectors
  • Internal Detector for Accumulated Dose
  • Data Logging Capability
  • Single Channel Analyzer Capable
Ludlum Model 3001

Ludlum Model 3001

  • Supports GM, Proportional & Scintillation Detectors
  • Stores Up To 4 Detector Set-Ups
  • Optional Data Logging Capability
Ludlum Model 3002

Ludlum Model 3002

  • Supports Alpha-Beta Proportional & Scintillation Detectors
  • Includes Data Logging Capability
Ludlum Model 3000

Ludlum Model 3000

  • Supports GM, Proportional & Scintillation Detectors
  • Optional Data Logging Capability
Ludlum Model 3005

Ludlum Model 3005

  • Auto-Ranging Digital Meter
  • Internal Energy-Compensated GM Detector
  • Range: Background to 500 mSv/h available
  • Includes Data Logging Capability
Ludlum Model 3019

Ludlum Model 3019

  • Digital Meter
  • Internal 2.5 x 1.9 cm CsI Scintillator Detector
  • Sensitivity: 17,500 cpm per µSv/h
  • Range: Background to 500 µSv/h
  • Alarms
Ludlum Model 3192

Ludlum Model 3192

  • Digital Meter
  • Internal 5.1 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 65,000 cpm per µSv/h
  • Range: Background to 50 µSv/h
  • Alarms
Ludlum Model 2350-1

Ludlum Model 2350-1

  • 5-Range Digital Meter
  • Supports GM, Proportional & Scintillator Detectors
  • Stores 1000 Data Points
  • Supports 16 Detector Setups
Ludlum Model 2360

Ludlum Model 2360

  • For Alpha-Beta Surveying
  • 4-Range Analog Meter with Digital Scaler LCD
  • Supports Alpha-Beta Proportional & Scintillator Detectors
  • Stores 550 Data Points

Specialized Meters

Ludlum Model 194

Ludlum Model 194

  • Energy-Flat Dose Equivalent Rate Meter
  • Digital Display
  • Internal Plastic Scintillator Detector
  • Low Range: Background to 19.99 µSv/h
  • High Range: 1 to 1999 µSv/h
  • Extended Version with Low-Energy Window
Ludlum Model 3-97

Ludlum Model 3-97

  • Gamma Survey
  • 4-Range Analog Meter
  • Internal NaI(Tl) Scintillator Detector
  • Sensitivity: 175 cps per µR/hr
  • External Model 44-38 GM Detector
  • Sensitivity: 137Cs: 1200 cpm per mR/hr
  • Range: 0 µR/hr to 200 mR/hr
Ludlum Model 3-98

Ludlum Model 3-98

  • 125I & Alpha-Beta
  • Gamma Survey
  • 4-Range Analog Meter
  • Internal Pancake GM Detector
  • Sensitivity: 137Cs: 3300 cpm per mR/hr
  • External Model 44-3 NaI(Tl) Scintillator Detector
  • Sensitivity: 125I: 675 cpm per µR/hr
  • Range: 0 to 500 kcpm
Ludlum Model 195 with 43-132

Ludlum Model 195 with 43-132

  • Alpha Survey
  • Model 195 Digital Meter
  • External Model 43-132 Alpha Ion Chamber Detector

Geiger Counters

Ludlum Model 3005

Ludlum Model 3005

  • Auto-Ranging Digital Meter
  • Internal Energy-Compensated GM Detector
  • Range: Background to 50 mSv/h
  • Includes Data Logging Capability
Ludlum Model 5

Ludlum Model 5

  • 5-Range Analog Meter
  • Two Internal Energy-Compensated GM Detectors
  • Range: 0 to 20 mSv/h
Ludlum Model 6

Ludlum Model 6

  • 3-Range Analog Meter
  • Internal Energy-Compensated GM Detector
  • Range: 0 to 10 mSv/h

Intrinsically Safe

Ludlum Model 3-IS

Ludlum Model 3-IS

  • 4-Range Analog Meter
  • Supports Select GM & Scintillator Detectors
Ludlum Model 3-IS-1

Ludlum Model 3-IS-1

  • 4-Range Analog Meter
  • Internal Energy Compensated GM Detector
Ludlum Model 25-IS Series

Ludlum Model 25-IS Series

  • Intrinsically Safe
  • Dose Rate and Accumulated Dose Alarms
  • Range: 0.02 mSv/h to 9.99 Sv/h

Ion Chambers

Ludlum Model 9DP

Ludlum Model 9DP

  • Color LCD Digital Meter
  • Range: Background to 50 mSv/h
  • Chamber Pressure: 9 atm
Ludlum Model 9DP*

Ludlum Model 9DP*

  • Color LCD Digital Meter
  • Range: Background to 50 mSv/h
  • Chamber Pressure: 9 atm
  • Provides ICRU-Based Ambient Dose Equivalent Measurements
Ludlum Model 9DP-1

Ludlum Model 9DP-1

  • Color LCD Digital Meter
  • Range: 2 µSv/h to 500 mSv/h
  • Chamber Pressure: 2.5 atm
Ludlum Model 9DP-1*

Ludlum Model 9DP-1*

  • Color LCD Digital Meter
  • Range: 2 µSv/h to 500 mSv/h
  • Chamber Pressure: 2.5 atm
  • Provides ICRU-Based Ambient Dose Measurements
Ludlum Model 9-3

Ludlum Model 9-3

  • 5-Range Analog Meter
  • Range: 0 to 500 mSv/h
  • Temperature Compensated
  • Retractable Beta Shield
Ludlum Model 9-4

Ludlum Model 9-4

  • 5-Range Analog Meter
  • Range: 0 to 500 mSv/h
  • Temperature & Pressure Compensated
  • Retractable Beta Shield
Ludlum Model 9-4RF

Ludlum Model 9-4RF

  • RF Immunity
  • 5-Range Analog Meter
  • Range: 0 to 500 mSv/h
  • Temperature & Pressure Compensated
  • Retractable Beta Shield
Ludlum Model 9-7

Ludlum Model 9-7

  • Digital Meter
  • Display Range: 0.001 R/hr to 19.99 kR/hr
  • Four Available Detectors
  • Replacement for Eberline Model RO-7
Ludlum Model 9-7

Ludlum Model 9-7S

  • Digital Meter
  • 1.1 to 3.8 m (3.7 to 12.6 ft.) Telescoping Stainless Steel Pole
  • Display Range: 0.001 R/hr to 19.99 kR/hr
  • Four Available Detectors

Micro / MicroSV Meters

Ludlum Model 3019

Ludlum Model 3019

  • Digital Meter
  • Internal 2.5 x 1.9 cm CsI Scintillator Detector
  • Sensitivity: 17,500 cpm per µSv/h
  • Range: Background to 500 µSv/h
  • Alarms
Ludlum Model 3192

Ludlum Model 3192

  • Digital Meter
  • Internal 5.1 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 65,000 cpm per µSv/h
  • Range: Background to 50 µSv/h
  • Alarms
Ludlum Model 19

Ludlum Model 19

  • Linear Analog Meter
  • 5 Selectable Ranges
  • Internal 2.5 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 175 cpm per µR/hr
  • Range: 0 to 5000 µR/hr
Ludlum Model 19A

Ludlum Model 19A

  • Logarithmic Analog Meter
  • Internal 2.5 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 17,500 cpm per µSv/h
  • Range: 0 to 5 µSv/h
  • Alarm
Ludlum Model 192

Ludlum Model 192

  • 4-Range Analog Meter
  • Internal 5.1 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 650 cpm per µR/hr
  • Range: 0 to 50 µSv/h
  • Dual Action Alarm
Ludlum Model 193

Ludlum Model 193

  • 4-Range Analog Meter
  • Supports Gamma Scintillator Detectors
  • Dual Action Alarm
  • Four Linear Ranges
Ludlum Model 12S

Ludlum Model 12S

  • 4-Range Analog Meter
  • Internal 2.5 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 175 cpm per µR/hr
  • Range: 0 to 3000 µR/hr
Ludlum Model 12SA

Ludlum Model 12SA

  • 4-Range Analog Meter
  • Internal 2.5 x 2.5 cm NaI Scintillator Detector
  • Sensitivity: 175 cpm per µR/hr
  • Range: 0 to 3000 µR/hr
  • Alarm

Neutron Meters

Ludlum Model 30-7 Series

Ludlum Model 30-7 Series

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 19.5 cm dia.
  • Sensitivity: 4.5 cpm per µSv/h or 10 cpm per µSv/h
  • Range: 0 to 99.9 mSv/h
Ludlum Model 3007 Series

Ludlum Model 3007 Series

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 19.5 cm dia.
  • Sensitivity: 4.5 cpm per µSv/h or 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
  • Internal Detector Option for Exposure/Dose Measurements
Ludlum Model 12-4-7

Ludlum Model 12-4-7

  • 4-Range Analog Meter
  • Moderator: 19.5 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
Ludlum Model 30-4

Ludlum Model 30-4

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 99.9 mSv/h
Ludlum Model 3004 Series

Ludlum Model 3004 Series

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
  • Internal Detector Option for Exposure/Dose Measurements
Ludlum Model 12-4

Ludlum Model 12-4

  • 4-Range Analog Meter
  • Model 42-31H 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10,000 cpm per mSv/h
  • Range: 0 to 100 mSv/h
Ludlum Model 2241-4

Ludlum Model 2241-4

  • Digital Scaler-Ratemeter
  • Model 42-31H 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 30 cpm per mrem/hr
  • Range: 0 to 100 mSv/h
Ludlum Model 375-31H

Ludlum Model 375-31H

  • Digital Area Monitor
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10,000 cpm per mSv/h
  • Range: 0 to 100 mSv/h
  • Area Monitor with Neutron Detector
Ludlum Model 2363 with 42-41L

Ludlum Model 2363 with 42-41L

  • Neutron and Gamma Detection
  • Analog + Digital Scaler-Ratemeter
  • External Model 42-41L PRESCILA Detector
  • Neutron Sensitivity: 350 cpm per mrem/hr
  • Range: 0.1 mrem/hr to 1 rem/hr
  • Internal GM Detector
  • Gamma Sensitivity: 1000 cpm per mR/hr
  • Range: 1 µSv/h to 10 m Sv/h (0.1 mR/hr to 1 R/hr)
Ludlum Model 15

Ludlum Model 15

  • Neutron and Alpha-Beta-Gamma Detection
  • 4-Range Analog Meter
  • Model 42-14H 3He Proportional Detector
  • Sensitivity (241AmBe): 55 cpm per mrem/hr
  • Model 44-7 End-Window GM Detector
  • Sensitivity (137Cs): 2100 cpm per mR/hr
  • Range: 0 to 500,000 cpm

Pocket-Size Meters

Ludlum Model 2401-EC

Ludlum Model 2401-EC

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 19.5 cm dia.
  • Sensitivity: 4.5 cpm per µSv/h or 10 cpm per µSv/h
  • Range: 0 to 99.9 mSv/h
Ludlum Model 2401-ECA

Ludlum Model 2401-ECA

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 19.5 cm dia.
  • Sensitivity: 4.5 cpm per µSv/h or 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
  • Internal Detector Option for Exposure/Dose Measurements
Ludlum Model 2401-EC2

Ludlum Model 2401-EC2

  • 4-Range Analog Meter
  • Moderator: 19.5 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
Ludlum Model 2401-EC2A

Ludlum Model 2401-EC2A

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 99.9 mSv/h
Ludlum Model 2401-EW

Ludlum Model 2401-EW

  • Digital Meter
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10 cpm per µSv/h
  • Range: 0 to 100 mSv/h
  • Internal Detector Option for Exposure/Dose Measurements
Ludlum Model 2401-EWA

Ludlum Model 2401-EWA

  • 4-Range Analog Meter
  • Model 42-31H 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10,000 cpm per mSv/h
  • Range: 0 to 100 mSv/h
Ludlum Model 2401-P

Ludlum Model 2401-P

  • Digital Scaler-Ratemeter
  • Model 42-31H 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 30 cpm per mrem/hr
  • Range: 0 to 100 mSv/h
Ludlum Model 2401-P DOSE

Ludlum Model 2401-P DOSE

  • Digital Area Monitor
  • 3He Proportional Detector
  • Moderator: 22.9 cm dia.
  • Sensitivity: 10,000 cpm per mSv/h
  • Range: 0 to 100 mSv/h
Ludlum Model 2401-S

Ludlum Model 2401-S

  • Low-Level Gamma & X-Ray Survey
  • 3-Range Analog Meter
  • Internal 18 mm dia. CsI Scintillator Detector
  • Sensitivity (137Cs): 100 cpm per µR/hr
  • Range: 0 to 50 µSv/h (0 to 5000 µR/hr)
  • Alarm
Ludlum Model 2402

Ludlum Model 2402

  • Neutron and Alpha-Beta-Gamma Detection
  • 4-Range Analog Meter
  • Model 42-14H 3He Proportional Detector
  • Sensitivity (241AmBe): 55 cpm per mrem/hr
  • Model 44-7 End-Window GM Detector
  • Sensitivity (137Cs): 2100 cpm per mR/hr
  • Range: 0 to 500,000 cpm
Ludlum Model 2403

Ludlum Model 2403

  • Neutron and Alpha-Beta-Gamma Detection
  • 4-Range Analog Meter
  • Model 42-14H 3He Proportional Detector
  • Sensitivity (241AmBe): 55 cpm per mrem/hr
  • Model 44-7 End-Window GM Detector
  • Sensitivity (137Cs): 2100 cpm per mR/hr
  • Range: 0 to 500,000 cpm

Stretch Scopes

Ludlum Model 3078 Series

Ludlum Model 3078 Series

  • Digital Meter
  • Extends to 4.7 m
  • Two External Energy-Compensated GM Detectors
  • Version with Internal Energy-Compensated GM Detector
  • Range: 1 µSv/h to 10 Sv/h
Ludlum Model 79

Ludlum Model 79

  • Digital Meter
  • Extends to 4.5 m
  • Energy-Compensated GM Detector
  • Range: 10 µSv/h to 10 Sv/h
Ludlum Model 79/1

Ludlum Model 79/1

  • Digital Meter
  • Extends to 4.5 m
  • CsI(Tl) Scintillator Detector
  • Range: 0.01 µSv/h to 500 µSv/h
Ludlum Model 79-2

Ludlum Model 79-2

  • Digital Meter
  • Extends to 4.5 m
  • Internal Energy-Compensated GM
  • Range: 0.001 mSv/h to 0.04 Sv/h
Ludlum Model 78

Ludlum Model 78

  • Analog + Digital Meter
  • Extends to 3.6 m
  • 2 Energy-Compensated GM Detectors
  • Range: 0.1 mR/hr to 1000 R/hr
Ludlum Model 78-1

Ludlum Model 78-1

  • Analog + Digital Meter
  • Extends to 3.6 m
  • 2 Energy-Compensated GM Detectors
  • Range: 0.1 µSv/h to 9999 mSv/hr
Ludlum Model 78-6

Ludlum Model 78-6

  • Analog + Digital Meter
  • Extends to 3.6 m
  • NaI(Tl) Scintillator Detector
  • Range: 0.01 to 50 µSv/h
Ludlum Model 78-9

Ludlum Model 78-9

  • Digital Meter
  • Extends to 3.6 m
  • Pancake GM Detector
Ludlum Model 9-7S

Ludlum Model 9-7S

  • Digital Meter
  • 1.1 to 3.8 m (3.7 to 12.6 ft.) Telescoping Stainless Steel Pole
  • Display Range: 0.001 R/hr to 19.99 kR/hr
  • Four Available Detectors