Ludlum Model 3 With Scaler Survey Meter, Verified, and GUARANTEED for 1 yr

Ludlum Model 3 Radiation Survey Meter | Set Up for 44-2 Probe | Rare Factory Scaler Option

This listing is for the Ludlum Model 3 survey meter shown in the photos.

This Ludlum Model 3 is set up for use with a Ludlum 44-2 scintillation probe. It has the rare factory scaler option installed, Ludlum option 4464-114, allowing the meter to count as a scaler in addition to normal survey meter use.

This meter has the 8.25K counts per minute face with 5 µR scale, part number 202-713.

🔹 What’s Included:

Ludlum Model 3 survey meter

Factory scaler option installed, 4464-114

Paperwork documenting testing and verification

Cable is not included unless specifically added or purchased with a probe

🔹 Testing and Verification:

This meter was fully tested using a Ludlum Model 500 pulse verification tool.

The Ludlum Model 500 used for verification has current calibration.

The meter was shown in the listing photos properly counting and operating as intended during pulse testing.

The testing documents proper meter function using a calibrated pulse verification source.

🔹 Probe Setup:

This meter is set up for a Ludlum 44-2 scintillation probe.

Dose rate scales are probe and isotope specific. This meter is configured for a 44-2 style setup, but final dose response depends on the specific matched probe and calibration conditions.

🔹 Condition:

This is a used Ludlum Model 3 and may show normal signs of use including scratches, scuffs, worn labels, small dings, or other cosmetic wear.

The unit has been tested, verified, and documented.

This is a functional professional grade radiation survey meter ready to be paired with a compatible probe.

🔹 Important Notes:

Probe is not included.

Cable is not included unless specifically added or purchased with a compatible probe.

Radioactive check sources or demonstration items shown in photos are not included.

This listing is for the meter only unless additional accessories are specifically selected or arranged before purchase.

Compatible Ludlum probes, probe cables, and stainless steel probe clips may be available as a separate purchase through our other listings.

When a compatible probe is purchased at the same time as a meter:

• The meter and probe will be verified and tested together before shipping
• One compatible probe cable will be included per meter, up to the number of probes purchased, max 2 per meter
• Stainless steel probe clip mounting can be added to the meter for the purchased probe or probes
• The number of probes that can be mounted to one meter is limited by available space, typically up to 2 probes

Simple Examples:

• 1 meter with 1 probe purchased: 1 cable included and probe clip mounting added for that probe
• 1 meter with 2 probes purchased: 1 cable included and clip mounting added for both probes, if space allows
• 5 meters with 2 probes purchased: 2 cables included and 2 clips added because only 2 probes were purchased
• 5 meters with 5 probes purchased: 5 cables included and 5 clips added, one for each meter and probe set

Please contact us before purchase if you would like a complete meter and probe package. This allows the correct probe, cable, connector, and mounting arrangement to be confirmed before shipping.

🔹 1 Year Functional Guarantee:

This instrument includes a 1 year functional guarantee from the date of delivery.

The guarantee covers the meter being functional and ready to use as described. It does not cover damage from abuse, misuse, dropping, improper storage, corrosion, unauthorized repairs, tampering, modification, or damage caused by connecting incompatible equipment.

📦 Shipping and Other Details:

Ships after payment clears.

International or non contiguous U.S. buyers should contact us before purchasing to arrange shipping.

Questions? Feel free to reach out for more information.

This is a tested, documented Ludlum Model 3 survey meter with rare factory scaler option, set up for a Ludlum 44-2 probe, and ready to go directly into service with the proper compatible probe and cable.