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Personal Combined Radiation Detector/Dosimeter РМ1703GNM

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Personal Combined Radiation Detector/Dosimeter PM1703GNM is a highly sensitive device which is used to search for nuclear and radioactive materials and to measure dose and dose rate of gamma radiation. PM1703GNM allows to detect and locate both gamma and neutron radiation sources.

The modern gamma-neutron detector PM1703GNM can be used even by non-technical personnel. Ease of use and sensitivity make this instrument irreplaceable tool for police and for other specialists of emergency services, customs and border patrol. No special knowledge in radiation is required.
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Benefits:

Devices of PM1703 series have equal radiological characteristics with the main competing devices and have a number of user benefits:

  • due to special detection algorithm, devices are able to detect smaller excess in 2-5 times of gamma radiation above the natural background within the time normalized by standards. On the other hand, it enables to alarm in shorter time in comparison with the requirements of the standards
  • due to operating time from one AA battery up to 1000 h., benefit in operating cost of the device over 6-year period is achieved: for РМ1703 series – not more than 50 dollars, for other competing devices – 180-1000 dollars
  • at the same time devices of the PM1703 Series remain one of the smallest PRDs in the world
  • devices of PM1703 series is the best value for reasonable price

 

The PM1703GNM combines functionality of a personal radiation detector and gamma dosimeter.

The instrument’s three operating modes allow the user to search for radioactive and nuclear materials as well as to measure dose equivalent (DE) and dose equivalent rate (DER). The instruments can be used both indoors and outdoors by a wide range of users who deal with the detection and localization of radiation sources in their daily work.

Users

  • Emergency services
  • Customs and border patrol
  • Civil defense and police


Personal radiation detector PM1703GNM is distinguished by light weight, compact size, water-resistanse and rugged enclosure. Another feature that makes the instruments very useful especially for fast response services is simplicity of operation. Control panel has only two buttons.

The key functions

  • Location of radioactive and nuclear materials via impulse count analysis;
  • Measurement of ambient dose equivalent rate of gamma radiation;
  • Measurement of ambient dose equivalent of gamma radiation.

 

Alarm

The average gamma and neutron radiation count rate is displayed on the built-in LCD.
Audio, visual, and vibration alarms alert the user when gamma or neutron radiation thresholds are exceeded.

Measurements history

Instrument’s operation history (up to 1000 data points) is stored in the detector’s non-volatile memory.
All data can be transferred from the detector to a personal computer (PC) via USB.

The instrument is equipped with three detectors

  • CsI(Tl) scintillation detector  for searching  gamma  radioactive sources;
  • LiI (Eu) scintillation detector for neutron radiation registration in the search mode;
  • small-sized GM tube detector for measuring gamma radiation in the wide DER and DE range.

 

Extremely sensitive scintillation counters allow detecting even the smallest amounts of gamma and neutron radiation emitting materials. Extra GM counter provides correct measurement of gamma radiation DER in the wide range up to 10 Sv/h (1000 R/h) and DE up to 10 Sv (1000 R).

 

Instrument operating modes

-    ambient background gamma and neutron radiation calibration mode;
-    gamma and neutron radiation sources search mode;
-    DER measurement mode;
-    DE measurement mode;
-    setting mode;
-    PC data exchange mode

PM1703GNM is a pocket-size and light-weight device.


Shockproof hermetic case provides high level of environmental protection (IP65).


The instrument is powered by a 1.5 V battery.


The instrument is equipped with a removable clip that allows the user to wear it on the belt.

Standards compliance Designed to meet ANSI N42.32-2006, ANSI N42.33 -2006,IEC 62401:2007, IEC 60846-1:2009, ITRAP+10 (IAEA) requirements

 

PM1703GNM
Detector
gamma
CsI(Tl), GM counter
neutron
LiI (Eu)
Sensitivity
for 137Сs, no less
85 (s-1)/(μSv/h) (0.85 (s-1)/(μR/h))
for 241Am, no less
100 (s-1)/(μSv/h) (1 (s-1)/(μR/h))
Sensitivity
- for Pu - α-Be
- for thermal neutrons
- for Pu - α-Be on a phantom or
in the moderator chamber

- 0.035 counts·cm2/neutron
- 1.2 counts·cm2/ neutron
Count rate range
Relative intrinsic error of count rate measurement
in range from 10 to 9999 s-1
Energy range
gamma
0.033 - 3.0 MeV
neutron
from thermal to 14.0 MeV
DER indication range
gamma
0.01 μSv/h – 10 Sv/h (1μR/h – 1000 R/h)
neutron
0.1 - 999 s-1
DER indication Range0.1 μSv/h – 10.00 Sv/h (10 mR/h – 1000 R/h)
DE indication range0.001 mSv – 10 Sv (0.1 mR – 1000 R)
DE measurement Range0.001 mSv – 10 Sv (0.1 mR – 1000 R)
Accuracy±(20+K1/H+K2*H )%
where H - DER value in mSv/h;
К1 – coefficient 0.0025 mSv/h,
К2 – coefficient 0.002 (mSv/h)-1
Response timex
Radionuclide identification using
Bluetooth communication with
external Pocket PC or smartphone
Special nuclear materials (SNM)
x
Medical radionuclides 
x
Naturally occurring radioactive  materials (NORM)
x
Industrial radionuclides
x
Alarm typeAudible, vibration, visible
Data recordingup to 1000 data points
Environmental protectionIP65
Drop test on concrete floor0.7 m (2.3 ft) without cover
1.5 m (4.9 ft) with cover
Power supplyone battery XTREME POWER LINE АА
(LR6)
Battery life timenot less than 1000 h
Operating temperaturefrom -30oC to +50oC

LCD: -20oC to +50oC
Size (without cover) 75 х 35 х 98 мм (2 15/16" х 1 3/8 " х 3 7/8")
Weight
Weight without package
250 г (8.1 oz)
Low battery warningindication on LCD
Overload indication
gamma
x
neutron
x
PC CommunicationUSB

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