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Spectroscopic Personal Radiation Detectors PM1401MB / GNB

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Spectroscopic gamma and gamma-neutron personal radiation detectors recommended for use by first responders, security guards and police forces. Their shockproof case especially designed for outdoor and harsh environment applications.
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Polimaster’s PM1401MB gamma and PM1401GNB gamma-neutron Spectroscopic Personal Radiation Detectors (SPRDs) are designed to detect radioactive and nuclear materials as well as evaluate their danger to a general public by the isotope identification.

The instrument consists of two separate parts: the PM1401MB/PM1401GNB radiation detector equipped with a Bluetooth module and Polimaster proprietary PoliIdentify software which is used for data processing and radioisotope identification. The external computing device such as PDA, laptop, or PC can be used to run the PoliIdentify software. The communication between the radiation detector and the external computing device is being done via Bluetooth channel. Such configuration provides high flexibility and a number of benefits to the end-user. For example, the radiation detector part can be used as conventional stand alone personal radiation detector (PRD) that not only to lower the instrument’s cost for beginners, but also give possibility to later upgrade the instrument with identification and networking capabilities. In addition, communication via Bluetooth allows user to be at a safe distance from the possible radiation sources while the PM1401MB/GNB is operating. This configuration prevents instrument's operator from unnecessary radiation exposure.

The PM1401MB/GNB SPRD models have following functions:

  • Detect only gamma or both gamma and neutron radiation sources (PM1401MB and PM1401GNB respectively);
  • Search for and locate the gamma or neutron radiation sources including nuclear weapon materials;
  • Alert the user of the presence of a radiation source through audible, visual and vibrating alarms;
  • Record and analyze gamma spectra as well as identify radionuclide composition.

 

In addition to on-site identification the SPRD models have networking capabilities giving the ability to transmit data via internet for off-site analysis and identification.

The summary of all additional features of SPRD models in respect to their basic precursor models PM1401MA and PM1401GNA is as follows:

  • Bluetooth Connectivity. The instruments are equipped with Bluetooth transmitter and connect with a Bluetooth enabled computing device, including PDAs, laptops and desk-top computers. This provides the ability to transmit the gross counts and accumulated spectra to an external computing device. The Bluetooth function also allows user to be at a safe distance from the possible radiation sources while the SPRDs are operating to provide higher degree of user’s protection from the radiation exposure by distance.
  • Isotope Identification Software PoliIdentify. A suite of isotope identification software applications that can be installed on an external computing device such as PDA, laptop, or PC and allow immediate identification and category classification of the alarming isotope(s). Simultaneous identification of multiple isotopes is also possible. Identification software can be utilized in two operation modes: automatic mode for non-trained users and expert mode for advanced users.
  • Networking Software. Real time data exchange between a user on-site and a remote Unified Command Center (UCC) can be provided by GSM communication. The networking software named Nuclear Protection Network (NPNET™) system is available to experts at UCC. Through the NPNET™, experts can obtain on-line information about dose rates, gamma scintillation spectra, detected and identified isotopes, GPS locations of the source, live mapping of the area, and monitoring of radiation levels for the whole area of surveillance.

 

Applications:


PM1401MBPM1401GNB
Detector
gamma
CsI(Tl)CsI(Tl)
neutron
xHe-3
Sensitivity
for 137Сs, no less
100 (s-1)/(μSv/h)
(1.0 (s-1)/(μR/h))		100 (s-1)/(μSv/h)
(1.0 (s-1)/(μR/h))
for 241Am, no less
100 (s-1)/(μSv/h)
(1.0 (s-1)/(μR/h))		200 (s-1)/(μSv/h)
(2.0 (s-1)/(μR/h))
Energy range
gamma
0.033 – 3.0 MeV0.033 – 3.0 MeV
neutron
xfrom thermal to 14.0 MeV
Dose Rate
gamma
0.01 – 99.99 μSv/h
(1 – 9999 μR/h)		0.01 – 99.99 μSv/h
(1 – 9999 μR/h)
neutron
x1 - 999 s-1
Dosexx
Accuracy
±30% (in range 0.1 – 70 μSv/h
(10 – 7000 μR/h)
(at 137Cs) )		±30% (in range 0.1 – 70 μSv/h
(10 – 7000 μR/h)
(at 137Cs))
Response time0.25 s0.25 s
Radionuclide identification
Special nuclear materials (SNM)
233U, 235U, 237Np, Pu233U, 235U, 237Np, Pu
Medical radionuclides 
18F, 67Ga, 51Cr, 75Se, 89Sr,
99Mo, 99mTc,103Pd, 111In,
123I, 131I,153Sm, 201Ti, 133Xe		18F, 67Ga, 51Cr, 75Se, 89Sr,
99Mo, 99mTc,103Pd, 111In,
123I, 131I,153Sm, 201Ti, 133Xe
Naturally occurring radioactive  materials (NORM)
40K, 226Ra, 232Th and daughters,
238U and daughters		40K, 226Ra, 232Th and daughters,
238U and daughters
Industrial radionuclides
57Co, 60Co, 133Ba, 137Cs, 192Ir,
226Ra, 241Am		57Co, 60Co, 133Ba, 137Cs, 192Ir,
226Ra, 241Am
Standards complianceITRAP/IAEA requirements,
ANSI N42.32, ANSI N42.33 (1),
ANSI N42.34, IEC 62401		ITRAP/IAEA requirements,
ANSI N42.32, ANSI N42.33 (1),
ANSI N42.34, IEC 62401
Alarm typevisual, audio, vibrationvisual, audio, vibration
Data recording10001000
Environmental protectionIP65IP65
Drop test on concrete floor1.5 m (4.9 ft) 1.5 m (4.9 ft)
Power supplyone AA batteryone AA battery
Battery life timeup to 1000 hoursup to 800 hours
Operating temperature-30°C to 50°C
(-22°F to 122°F)		-30°C to 50°C
(-22°F to 122°F)
Size (without holster)103 x 57 x 32 mm
(4'' x 2¼'' x 1¼'')		194 x 57 x 32 mm
(7 5/8'' x 2¼'' x 1¼'')

Weight270 g ( 9.52 oz)430 g (15.2 oz)
(without holster)
270 g ( 9.52 oz)430 g (15.2 oz)
(with holster)
Low battery warningLCDLCD
Overload indication
gamma
OLOL
neutron
x999
PC CommunicationIRDA, BluetoothIRDA, Bluetooth

Operation manuals:



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