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  • Home
  • Products
    • All Products
    • Medical Physics
    • Metal Recycling
    • Emergency Response
    • How To Order
    • Connector Types
  • Support
    • Repair & Calibration
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    • Product Videos
    • Software & Firmware Downloads
    • Rad Calc Software
    • Warranty Plans
    • Service Bulletins
    • Radiation Resources
  • Documents
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    • Detector Reference Chart
    • Product Catalogs
    • Response Curves
    • Test Reports
    • Technical Articles
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All Products Medical Physics Metal Recycling Emergency Response

Products

Portable Survey Meters

  • General Purpose - Digital
  • General Purpose - Analog
  • Benchtop Meters
  • Computerized
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  • Pocket-Size Meters
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Detectors

  • Alpha
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Monitoring Systems

  • Area Monitor Controllers
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Sample Counting

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Pulsers

No subcategories

Dosimetry

  • Dosimeters
  • Dosimeter Accessories

Accessories

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Medical Physics

  • Radiation Safety QA
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Metal Recycling

  • Scrap Monitoring Systems
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  • Slug Sample Monitors
  • microR / microSv Meters
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  • Isotope Identifiers

Emergency Response

  • Emergency Response Kits
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  • Personal Radiation Meters
  • Friskers

Need Help?

Unsure about which instrument is best for your application?

Find your region's Ludlum representative or dealer.

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sales@ludlums.com

(325) 235-5494

(800) 622-0828 (USA Toll Free)

Pocket-Size Meters

Image Product
m2401-ec_face
Model 2401-EC

  • Gamma Survey
  • 3-Decade Analog Meter
  • Internal Energy-Compensated GM Detector
  • Sensitivity (137Cs): 1050 cpm per mR/hr
  • Range:
    • 0 to 200 mR/hr
    • 0 to 210,000 cpm

m2401-eca_b_face
Model 2401-ECA

  • Gamma Survey
  • 3-Decade Analog Meter
  • Internal Energy-Compensated GM Detector
  • Sensitivity (137Cs): 1050 cpm per mR/hr
  • Range:
    • 0 to 200 mR/hr
    • 0 to 210,000 cpm
  • Alarm

m2401-ec2_face
Model 2401-EC2

  • Gamma Survey
  • 3-Decade Analog Meter
  • Internal Energy-Compensated GM Detector
  • Sensitivity (137Cs): 100 cpm per mR/hr
  • Range: 0 to 2 R/hr

m2401-ec2_face_647463651
Model 2401-EC2A

  • Gamma Survey
  • 3-Decade Analog Meter
  • Internal Energy-Compensated GM Detector
  • Sensitivity (137Cs): 120 cpm per mR/hr
  • Range: 0 to 200 µSv/h (0 to 2 R/hr)
  • Alarm

m2401-ew_b_face
Model 2401-EW

  • Alpha-Beta-Gamma Survey
  • 3-Decade Analog Meter
  • Internal End-Window GM Detector
  • Sensitivity (137Cs): 1050 cpm per mR/hr
  • Range:
    • 0 to 200 mR/hr
    • 0 to 210,000 cpm

pocket_size_expo_4c684801a6c0e
Model 2401-EWA

  • Alpha-Beta-Gamma Survey
  • 3-Decade Analog Meter
  • Internal End-Window GM Detector
  • Sensitivity (137Cs): 1050 cpm per mR/hr
  • Range:
    • 0 to 200 mR/hr
    • 0 to 210,000 cpm
  • Alarm

m2401-p_face
Model 2401-P

  • Alpha-Beta-Gamma Survey
  • 3-Decade Analog Meter
  • Internal Pancake GM Detector
  • Sensitivity (137Cs): 3300 cpm per mR/hr
  • Range: Meter Face Dependent

multi_purpose_po_4e4d56c53cff0
Model 2401-P Dose

  • Alpha-Beta-Gamma Survey
  • 3-Decade Analog Meter
  • Internal Pancake GM Detector
  • Sensitivity (137Cs): 3300 cpm per mR/hr
  • Range: 0 to 15 mSv/h
  • Dose Equivalent Filter

m2401-s_b_face
Model 2401-S

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

general_purpose__4ce5779f7126f
Model 2402

  • 3-Decade Analog Meter
  • Supports GM Detectors
  • Alarm

img_0003_copy
Model 2403

  • 3-Decade Analog Meter
  • Supports GM Detectors

Display #
Results 1 - 11 of 11

Ludlum Measurements, Inc.
501 Oak Street
Sweetwater, TX 79556
USA

(800) 622-0828 (USA)
(325) 235-5494
(325) 235-4672
sales@ludlums.com


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