Ludlum Measurements Blog

Time to Review Those A, B, Gs

Posted by Carol Truitt on Mon, Aug 31, 2015 @ 07:08 AM

As evidenced by all the targeted merchandising, it’s back to school time in the USA, UK, and Canada. Pencils, pens, notebooks, PCs, and children’s clothing are being advertised to entice the consumer dollar through the doors during these weeks leading up to the school year. Other parts of the world community have similar marketing strategies prior to the start of their school years, too, although the academic year launches in other months. No matter when they’re held or how steep the discounts, getting ready to head back to school can be expensive. If only the classes were free!


In our industry we begin our schooling by learning our A, B, G’s – that is, Alpha, Beta, and Gamma, (along with Neutron) radiation. Conceiving, designing, engineering, perfecting, and manufacturing our famous line of instruments has kept our company in the ‘school of experience’ for over fifty years.

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Topics: training, alpha, beta, gamma, instruments

Visit us at HPS Meeting July 13-17 in Baltimore

Posted by Carol Truitt on Tue, Jul 8, 2014 @ 14:07 PM

Ludlum Measurements, Inc is attending the 59th Annual Meeting of the Health Physics Society in Baltimore Maryland, July 13 through the 17, 2014. Stop by Booth 400 to visit, ask questions, see a selection of our instruments, and enter a drawing to win the new Model 3000 Digital Survey Meter!*  (some conditions apply, see below)

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Topics: Radiation, radiation detection, detector, HPS, ludlum measurements, exhibition, alpha, beta, gamma, HPS Annual Meeting, convention, new instrument, Model 3000

Ludlum 44-9 Pancake Detector

Posted by Larissa Place on Wed, Feb 13, 2013 @ 14:02 PM

 MODEL 44-9 




The Ludlum Model 44-9 is arguably the most popular radiation detector used throughout the world.  This detector is sensitive to alpha, beta, and gamma radiation.  Its size and shape (pancake) provide easy handling for surveying or personnel monitoring.  The detector is energy dependent, over-responding by a factor of 6 in the 60 keV to 100 kdV range when normalized to 137Cs.

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Topics: detector, alpha, beta, gamma, 44-9, probe, pankcae, filter

Radiation...What Types Are There?

Posted by Larissa Place on Thu, Jan 10, 2013 @ 17:01 PM

The radiation one typically encounters is one of four types: alpha radiation, beta radiation, gamma radiation, and x radiation. Neutron radiation is also encountered in nuclear power plants and high-altitude flight and emitted from some industrial radioactive sources.

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Topics: Radiation, radiation detection, alpha, beta, gamma