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Spectroscopic Personal Radiation Detectors PM1704/M/GN

The family of multipurpose, highly sensitive and compact gamma and gamma-neutron spectroscopic personal radiation detectors which has advanced search algorithms that enable the measurement of radiation intensity and the quick radionuclide identification of radioactive sources. Devices are equipped with a color LCD display and a user-friendly interface, and are highly ergonomic and convenient to use even in harsh environments.
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The new class of small (pocket-size) pager-style gamma and gamma-neutron spectroscopic personal radiation detectors combines the functionality of radiation detectors (detection and localization of radiation sources and primary radionuclide identification) and dosimeters (measurement of dose rate and count rate).

The distinctive feature of this class of devices is the autonomous primary radionuclide identification of radioactive sources that does not require a connection to a remote unit (smartphone/PC/laptop/PDA, etc.), even in the presence of shields, containers or other forms of physical protection of radiation sources that have a weakening and scattering influence. Identification results appear on a bright, easily read color LCD display. The results show not only designations of identified radionuclides, but also classes to which they relate in accordance with the recommendations of the International Atomic Energy Agency (IAEA) - naturally occurring radiation materials (NORM), medical isotopes, industrial sources or special nuclear materials (SNM).

The instruments also have a built-in dictaphone to record comments to the measured spectra. All РМ1704 models have a USB interface for communication with a smartphone, PC, laptop, PDA, etc. User software is automatically downloaded from the non-volatile memory of the device when it is connected.

РМ1704 instruments are available in three modifications:
- РМ1704 (basic model), with a built-in scintillation CsI(Tl) detector, which searches for gamma radiation sources, accumulates gamma-spectra and identifies radioactive sources.
- PM1704M additionally to the basic model has a built-in G-M tube, which expands the dose rate measurement range to 10 Sv/h (1000 R/h).
- PM1704GN additionally to the basic model has a scintillation Li6I(Eu) detector for the search and detection of neutron radiation sources.

Upon customer request, additional options enable the devices to identify the special nuclear materials.

The devices have a simple control panel and user friendly interface that give users fast access to all measurement modes and settings, and are easy to use without special training. The instruments can be integrated into the Polimaster Nuclear Protection Network system (Polimaster NPNET™).

Main features:

  • Fast and reliable identification of isotopes, with results displayed on the device itself
  • Built-in highly sensitive CsI(Tl) spectroscopic detector (all modifications)
  • Built-in Li6I(Eu) neutron detector (РМ1704GN)
  • G-M tube that expands the range of dose rate measurement (РМ1704М)
  • Simplicity and ease of use
  • Bright, color LCD that allows easy reading even in bright sunlight
  • Built-in dictaphone
  • USB interface
  • Audible, vibration and visual alarms
  • Lightweight and compact
  • Storage of up to 100 gamma spectra in non-volatile memory
  • Shockproof hermetic case (IP65)

Standards compliance

Designed to meet ANSI N42.32-2006, ANSI N42.33 -2006, IEC 62401:2007, ANSI N42.48 - 2008, ANSI N42.42: 2012 requirements

 

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РМ1704PM1704MPM1704GN
Detector
gamma
CsI(Tl)CsI(Tl) and G-M tubeCsI(Tl)
neutron
xxLi6I(Eu)
Sensitivity
for 137Сs, no less
100 cps/(µSv/h)100 cps /(µSv/h)100 cps /(µSv/h)
for 241Am, no less
300 cps/(µSv/h)300 cps /(µSv/h)300 cps /(µSv/h)
- for Pu - α-Be
xx0.07counts·cm2/neutron
- for thermal neutrons
xx1.5 counts·cm2/neutron
Energy range
gamma
0.033 - 3.0 MeV0.033 - 3.0 MeV0.033 - 3.0 MeV
neutron
xxFrom thermal to 14.0 MeV
Dose Rate
gamma
0.01 – 130 µSv/h
(1 µR/h – 13 mR/h)
0.01 µSv/h – 13 Sv/h
(1 µR/h – 1300 R/h)
0.01 – 130 µSv/h
(1 µR/h – 13 mR/h)
neutron
xx0.01 - 999 s-1
Dosexxx
Accuracy
± 30% (at 137Cs)± 30%± 30% (at 137Cs)
Response time0.25 s0.25 s0.25 s
Alarm typeVisual, audible, vibrationVisual, audible, vibrationVisual, audible, vibration
Data recordingUp to 100 spectraUp to 100 spectraUp to 100 spectra
Environmental protectionIP65IP65IP65
Drop test on concrete floor1.5 m1.5 m1.5 m
Power supplyone AA standard or rechargeable batteryone AA standard or rechargeable batteryone AA standard or rechargeable battery
Battery life timeUp to 300 hours

*at average radiation background up to 0.3 μSv/h, when
LCD, audio, vibro and light alarms are active no more than
5 min/day.
Up to 300 hours

*at average radiation background up to 0.3 μSv/h, when
LCD, audio, vibro and light alarms are active no more than
5 min/day.
Up to 300 hours

*at average radiation background up to 0.3 μSv/h, when
LCD, audio, vibro and light alarms are active no more than
5 min/day.
Operating temperature-20oС to 50oС
(-4oF to 122oF)
-20°С to 50°С
(-4°F to 122°F)
-20°С to 50°С
(-4°F to 122°F)
Size (without holster)
130х60х46 mm
(5 1/9’’x2 1/3’’x1 8/9’’)
130х60х46 mm
(5 1/9’’x2 1/3’’x1 8/9’’)
130х60х46 mm
(5 1/9’’x2 1/3’’x1 8/9’’)
Weight
(without holster)
310 g330 g360 g
(with holster)
xxx
Low battery warningLCDLCDLCD
Overload indication
gamma
Visual and audialVisual and audibleVisual and audible
neutron
xxVisual and audible
PC CommunicationUSBUSBUSB