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Personal radiation detector


Personal radiation detectors PM1703MA-II are designed to detect and locate even the slightest amounts of radiation emitting materials. Devices provide two operating modes: search of gamma radiation sources and estimation of dose equivalent rate. PM1703MA-II have shockproof hermetic case, fluorescent backlight and LCD display, memory, audible, visual and vibrating alarms, user-friendly interface.

Detectors are recommended for first responders, security guards, police, customs officers and border patrol. No special experience or training is necessary to work with instrument.



Personal radiation detectors are designed for search, detection and localization of radioactive materials using method of impulse count analysis when registering gamma radiation with alarms and visualization on the LCD of the average gamma radiation count rate. Once the detector is turned on, it automatically starts taking measurements and storing the background radiation information. Instruments advanced processing algorithm enables user to update the background levels and setup alarm thresholds thus adjusting to the specific radiation environments and satisfy the requirements for the false alarm rate.


Detector type

CsI(Tl) scintillator

Dose equivalent rate of gamma radiation measurement range

0.01 µSv/h...300 µSv/h

Relative error of dose rate measurement in the range
from 0.1 to 300µSv/h

± 30 %

Gamma and X-ray radiation energy range

from 0.033 to 3.0 MeV

Sensitivity, gamma radiation:
∙ for Am-241
∙ for Cs-137

500 cps/(μSv/h)
100 cps/(μSv/h)

Gamma count rate indication range

​​1 – 9999 cps

PC communication

Bluetooth 4.0 (for PM1703MA-II BT)

Power supply

1.5 V (one cell Alkaline AA (LR6)),
no less than 2000 mA/h

Battery lifetime

at least 1000 h
at least 500 h (in Bluetooth mode)

Drop test on concrete floor

0.7 m


72 x 32 x 87 mm


200 g

Alarm Type

audio, visual, vibration

Operating temperature

- 40 to + 50 °С
up to 98% at +35°C

Protection class


Personal Radiation Detector
Personal Radiation Detector
Personal Radiation Detector
Personal Radiation Detector
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Standards Compliance

Designed to meet ANSI N42.32-2006,ANSI N42.33 -2006, IEC 62401:2007,ITRAP+10 (IAEA) requirements

Complies with ANSI 42.32-2016

TALS OY   Finland  Helsinki Merikasarminkatu 12 L 4, 00160

Radiation equipment, radiometers,

liquid scintillation counters.
Metrology of ionizing radiation.

Engineering and software for

spectrometric analysis.

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