TRS-RenTelco - Ludlum M3 - 44-2 - 44-9 Meter 3, NaI Gamma Scintillator, G-M Pancake Detector

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Ludlum - M3 - 44-2 - 44-9 Meter 3, NaI Gamma Scintillator, G-M Pancake Detector

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DESCRIPTION

SPECIFICATIONS

The Ludlum Model 3 General Purpose Survey Meter is a portable radiation survey instrument with four linear ranges used in combination with exposure rate dials. The instrument features a regulated high-voltage power supply, unimorph speaker with audio ON/OFF capability, fast-slow meter response, meter reset button and 6-position switch for selecting battery check or scale multiples of X0.1, X1, X10 and X100. Each range multiplier has its own calibration potentiometer. The Ludlum Model 44-2 Sodium Iodide (Nal) Gamma Scintillator Detector is primarily used for detecting low levels of gamma radiation (uR) in the range of 60 keV to 1.25 MeV. It consists of a 1-inch diameter x 1-inch thick Nal crystal coupled to a photomultiplier tube and is housed in a 0.062-inch thick aluminum housing. The Ludlum Model 44-9 G-M Pancake G-M Detector will detect alpha, beta and gamma radiation in mR. Its size and shape provide easy handling for surveying or personnel monitoring. The detector is energy dependent, over responding by a factor of six in the 60 keV to 100 keV range when normalized to 137Cs. This combination meter and detectors ship with a carrying case and certificate of calibration. A specification sheet and operating manual are available upon request.

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