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The sources in the Model 3241 Series gauges meet regulatory
requirements of U.S. and international authorities as “SPECIAL
FORM,” or encapsulated, sealed source material. The “sealed”
sources are encapsulated to prevent leakage of the radioactive
material and meet radiation safety requirements.
The neutron source (Americium-241:Beryllium) is compressed
and welded inside stainless steel capsules.
The only radiological health concerns to Troxler instrument
users are the photon and neutron emissions for asphalt content
measurement. Proper use of this instrument (following the
instructions in this manual) and the shielding design of the
instrument will keep the exposure levels at a minimum under
normal conditions. It is recommended that you monitor your
exposure with personnel dosimetry when operating the 3241
gauge.
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