1x 2025 Calibrated Ludlum Model 3 with 44-6 and hard side case 1yr Guarantee!

Fully calibrated instruments are available for purchase or rental. Contact us if you need application guidance or assistance selecting the proper radiation detection equipment.

This listing is for 1 (one) Ludlum Model 3 portable survey meter supplied with a Ludlum 44-6 energy-compensated GM probe and a hard carrying case. This configuration is commonly used for gamma radiation surveys in NORM screening, scrap and material inspection, industrial safety, and general radiation monitoring. Many buyers tasked with basic gamma surveys are directed toward a simple, reliable meter, and the Model 3 with a 44-6 probe is a proven and widely accepted solution.

The Ludlum Model 3 is a rugged analog survey meter known for its reliability and ease of use. When paired with the 44-6 energy-compensated GM detector, the system provides consistent gamma response across a wide energy range, making it suitable for dose-related surveys and comparative screening during NORM inspections.

Guaranteed, Professionally Calibrated, and Backed by a 1 Year Warranty
Ludlum Model 3 Survey Meter with 44-6 GM Probe and Hard Case

Each unit is fully serviced, inspected, and calibrated by a licensed third-party calibration laboratory. Calibration is performed using standards with current NIST traceability, and full supporting documentation is included. Meter response, probe response, and overall system performance are independently verified and adjusted to specification. The included paperwork reflects the current calibration.

This instrument is backed by a 1 year functional guarantee. The warranty covers normal use and operation and does not include damage resulting from abuse, misuse, or mishandling.

This listing is for one complete unit. Additional units can be supplied and calibrated upon request, subject to availability and lead time.

The instrument you receive will be fully functional and ready for immediate use. Batteries are included.

The unit is used and may show normal cosmetic wear consistent with professional field equipment, but it has been tested and verified to operate as intended.

Energy-compensated GM detector for gamma surveys
Analog survey meter with clear needle response
Well suited for NORM screening, scrap surveys, and industrial radiation monitoring
Includes a hard carrying case for protection and transport

The radioactive material shown in any photos is not included.

All related calibration paperwork is included as shown.

These are professional-grade instruments that have been maintained, calibrated, and independently verified for real-world survey applications.

Please review all photos and feel free to search the model numbers for full specifications.

If you are unsure whether this meter configuration is appropriate for your application, please contact us. We are happy to help ensure you select the correct instrument.

Item ships the same day payment clears.

If purchasing from outside the 48 states, please contact us before buying to arrange shipping.