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Personal Dosimeter PM1621

Unique electronic personal radiation dosimeters for measurement of the exposure levels from X-ray and gamma radiation sources and recording even the minor fluctuations of the natural radiation background.


Below you find the specfications of the PM1621. The specifications of the other models of the PM1621 you can find at “downloads”.

Detector GM tube
Dose Rate display 0.01 μSv/h – 0.2 Sv/h
(1 μR/h – 20 R/h), Hp(10)
Dose Rate Accuracy ±(15+0.0015/H +0.01H)%
(in range 0.1 µSv/h – 0.1 Sv/h,
where H – dose rate in mSv/h)
Dose measurement 0.01 μSv – 9.99 Sv
(1 μR – 999 R)
Dose Accuracy ± 15% (in range 1 μSv – 9.99 Sv
(100 μR – 999 R))
Energy range 10.0 KeV – 20.0 MeV
Energy response relative to 0.662 MeV ±30%
Survive after momentary influence of maximum 1 Sv/h
permissible gamma radiation within 5 min: (100 R/h)
Standards compliance meets most relevalnt parts of
IEC 61526, and ANSI N42.20
Alarm type: audio
Physical Parameters  
Dimensions 87 x 72 x 39 mm
Weight 165 g
Environmental Characteristics  
Temperature -40 up to +60 °С
(from -40 up to +140 °F)
Humidity up to 98% at 95°F (35°C)
Environmental protection IP67
Drop test 0.7 m (2.4 ft)
Water resistant 1 m ( up to 3.3 ft)
Batteries one AA battery
Battery lifetime (average DER not more than 0.3 µSv/h, 12 months*using LCD backlight not more than 20 s/day
alarms activated for not more than 20 s/24 hours)
Battery discharge control LCD indication
Countdown timer
Display of time to critical exposure yes
Calendar mode
PC Communication IRDA


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