Ludlum Model 43-1-1 Alpha Beta Radiation Scintillation Detector

The Ludlum Model 43-1-1 is a large area dual phosphor alpha beta radiation scintillation detector that is designed to be used for simultaneously counting alpha and beta radiation contamination.

Ludlum Model 43-2-2 Alpha Beta Radiation Scintillation Detector

The Ludlum Model 43-2-2 is a dual phosphor alpha beta radiation scintillation detector that is designed to be used for simultaneously counting alpha and beta radiation contamination.

Ludlum Model 43-68 Alpha Beta Radiation Gas Proportional Detector - 100 cm²

The Ludlum Model 43-68 is a 100 cm² large area alpha beta radiation gas proportional detector for use in simultaneous alpha/beta radiation surveys as well as alpha radiation or beta radiation surveys.

Ludlum Model 43-89 Alpha Beta Radiation Scintillation Detector - 100 cm²

The Ludlum Model 43-89 is a 100 cm² dual phosphor alpha beta radiation scintillation detector that is designed to be used for simultaneously counting alpha and beta radiation contamination.

Ludlum Model 43-93 Alpha Beta Radiation Scintillation Detector - 100 cm²

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

Ludlum Model 43-135 Large Area Radiation Source 2 pi Calibration Detector

The Ludlum Model 43-135 is a large area 2 π proportional radiation detector designed for calibrating large area alpha and beta radiation sources.  The windowless detector and gold plated source tray are sealed together via heavy duty clamps which permit operating at higher pressures up to 0.2 MPa.