1x CLEAN BNC Ludlum Model 3 Survey Meter CPM 44-9 '26 Calibrated, and GUARANTEED for Sale

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1x CLEAN BNC Ludlum Model 3 Survey Meter CPM 44-9 '26 Calibrated, and GUARANTEED For Sale

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1x CLEAN BNC Ludlum Model 3 Survey Meter CPM 44-9 '26 Calibrated, and GUARANTEED:
$750.00

*Fully calibrated units are available for rental or purchase, with various meter and probe combinations. Contact us for specific combinations you may require or be interested in.*

1x Ludlum Model 3 Survey Meter with CPM face and BNC connection 44-9 Geiger Probe and Cable

This unit has a CPM scale as shown in the pictures.

Guaranteed to be 100% functional and ready to use upon arrival!

Prior to shipping, you will receive pictures of your exact item being tested and digitally calibrated through all of its ranges with a Ludlum 500 pulser (factory calibration tool). Each probe is then verified against a known check source.

Each unit is fully: tested, adjusted, verified, and documented before shipping to you!

Unlock advanced radiation detection capabilities with the Ludlum Model 3 Survey Meter, inclusive of a 44-9 Alpha-Beta-Gamma Detector probe and protective cover.

This is an all-in-one solution for identifying Alpha, Beta, and Gamma-emitting radioactive materials.

Key Features:

Model 3 Survey Meter
44-9 Alpha-Beta-Gamma Detector probe and cover included.
All units have been well maintained, featuring clean internals and bright battery contacts.
Rigorous testing and verification conducted using a calibrated Ludlum 500 pulser, the same tool employed by Ludlum for calibration.
Units were confirmed to be operating at the recommended 900v (for the 44-9 probe).
Meticulous testing was performed on all units for verification of each range for pulse count accuracy on the meter's display.
Every unit was then tested against the radioactive output of thoriated tungsten welding electrodes. (Note: Thoriated tungsten welding electrodes will not be not included.)

Additional Features:

Detailed pictures of each item available upon request for your thorough inspection.
Search model numbers online for comprehensive specifications and details.

Please Note:

Listing is for one Ludlum Model 3 Survey Meter with the 44-9 Geiger Probe w/Cover and Cable.
Discounts offered for multiple purchases.
Items shipped promptly upon payment clearance.
International buyers, please contact to confirm shipping costs, as the calculator on this listing may sometimes provide inaccurate estimates.
A signature at delivery is required by due to cost.
Each unit is individually photographed and documented when tested and packaged. These are precise scientific instruments, rough handling and abuse will nullify the guarantee!

Hard cases and 3rd party calibration service is available for all items at an additional fee.

Feel free to reach out with any questions or for more information.

On Sep 2, 2026 at 11:18:17 PDT, seller added the following information: