1 DESCRIPTION AND OPERATION OF THE INSTRUMENT
1.1 Application of the instrument
The PM1621M (PM1621MA) X-ray and gamma radiation dosimeter is designed to provide:
- continuous measurement of the personal dose equivalent (hereinafter referred to as
dose equivalent or DE) of external gamma and X-ray (hereinafter photon) radiation
;
(
)
Н Р 10
- continuous measurement of the time DE accumulation;
- continuous measurement of the personal dose equivalent rate of external photon
radiation
(hereinafter dose equivalent rate or DER);
(
)
•
Н
р 10
- search, detection and localization of gamma radiation sources;
- communication of information accumulated and stored in the device’s non-volatile
memory through an infra-red (IR) communication channel (the protocol is compatible with
IrDA interface) into a personal computer (PC) using an internal or external IR adapter.
Instruments may be used independently or as a part of a system for everyday, efficient
and emergency dosimetric control of personnel, production facilities and units where there is
a potential or real risk of exposure to external X-ray and gamma radiation. Customs and
border officers, personnel of nuclear facilities; radiological and isotope laboratories; officers of
the emergency services; civil defense, fire brigades, police, as well as in other spheres where
measurement of personal dose equivalent and personal dose equivalent rate will be notified
by an alarm when the preset dose and dose rate levels are exceeded. Information about the
dose accumulation and dose rate over time, as well as association of the measured
parameters with an individual makes systematization and complex analysis of the
accumulated dosimetric information feasible.
Operating conditions:
-ambient air temperature from minus 40
о
С up to plus 60
о
С;
- relative humidity up to 98 % at the temperature 35
о
С;
- pressure from 84 up to 106,7 kPa.
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