Ludlum Model 44-6 Beta Gamma Radiation Thin Wall G-M Detector

The Ludlum Model 44-6 is a beta gamma radiation sidewall G-M detector with a rotary beta shield for general purpose radiation survey.

Ludlum Model 44-21 Beta Gamma Radiation Scintillation Detector

The Ludlum Model 44-21 is a beta gamma radiation dual crystal scintillation detector utilizing a thin plastic scintillator and 1" X 1mm NaI(Tl) crystal for beta and gamma radiation measurements.

Ludlum Model 44-38 Beta Gamma Radiation Energy Compensated G-M Detector

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

Ludlum Model 44-92 Beta Gamma Radiation Xenon Gas Proportional Detector

The Ludlum Model 44-92 is a beta gamma radiation Xenon filled gas proportional detector for large area beta gamma radiation survey.

Ludlum Model 44-98 Beta Gamma Radiation Scintillation Detector - BGO

The Ludlum Model 44-98 is a beta gamma radiation BGO scintillation detector for general purpose beta gamma radiation survey.