Ludlum Model 12 + 44-7 End Window Probe

Model:  Ludlum Model 12

Detection Range:  0-400,000 CPM

0-200 mR/h (0- 2 mSv/h)

Low/Medium Level Radiation / Radioactive Contamination Detection (α/β/γ)

Condition:  Used, Calibration Verified 2024 & Operational, Original Parts, Refurbished  

Power Supply:  Requires 2, 1.5v D Cell Batteries (Not Included).

Specs:

Range: 0-200 mR/h      (0-2 mSv/h)                  0-400,000 CPM

X1] 0-0.2 mR/h (0-2 uSv/h) 0-400 CPM

X10]    0-2 mR/h               (0-20 uSv/h)                 0-4,000 CPM

X100]  0-20 mR/h            (0-200 uSv/h)              0-40,000 CPM

X1000] 0-200 mR/h (0-2 mSv/h) 0-400,000 CPM

*This Ludlum Model 12 is Calibrated for the 44-7 End Window Probe with a 2,100 CPM to 1 mR/h ratio. Any other probe used with the Model 12 will only yield accurate readings on the CPM scale.

Features:

• Battery Check

• Audio ON/OFF

• Fast/Slow Response Time

• HV Check

• Needle Reset

• Carrying handle

• Dust and water resistant

• Audio is via internal speaker

• C Connector

***  This particular model has been cleaned and refurbished.

1. A brand new battery gasket from Ludlum has been installed.

2. Brand new battery terminals from Ludlum installed.

3. Pulse calibrated and dose rate checked and verified

4. General cleaning and maintenance.

*Red check source disc not included, used for demonstration purposes only.