Ludlum Medical Physics Model 42-31H 9" Moderated Neutron Radiation Detector

Ludlum Medical Physics Model 43-93 Alpha/Beta Radiation Detector

The Model 43-93 is a 100 cm² dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta radiation contamination.

Ludlum Medical Physics Model 44-2 Gamma Radiation Detector

The Model 44-2 is a 1" X 1" NaI(Tl) Gamma Radiation Scintillator that can be used with several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters.

Ludlum Medical Physics Model 44-3 I-125 Low Energy Gamma Radiation Detector

The Model 44-3 is a 1" X 1mm NaI(Tl) Gamma Radiation Scintillator for low energy radiation that can be used with several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters for ¹²⁵I and x-ray survey.

Ludlum Medical Physics Model 44-9 Alpha/Beta/Gamma Radiation Detector

The Model 44-9 is a pancake G-M radiation detector that can be used with several different instruments including radiation survey meters, scalers, ratemeters, and alarm ratemeters for alpha, beta and gamma radiation measurements.

Ludlum Medical Physics Model 44-38 Beta/Gamma Radiation Detector

The Model 44-38 is an energy compensated sidewall G-M radiation detector with a rotary beta shield for general purpose radiation survey.

Ludlum Medical Physics Model 44-142 Beta Radiation Detector

The Model 44-142 is a Beta Radiation Scintillator. With an active area of 100 cm² this detector is good for surveys for beta radiation contamination.

Ludlum Medical Physics Model 44-172 Beta/Low Energy Gamma Detector

The Ludlum Model 44-172 YSO (Yttrium Oxyorthosilicate) detector is used primarily for the detection of low-energy gamma radiation, from approximately 5 keV to 145 keV. It will also detect beta energy as low as 49 keV. The detector consists of a 1-inch diameter by 1-millimeter thick YSO scintillator. The window area is approximately 5 cm.