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Personal Combined Radiation Detectors/Dosimeters PM1703MO-1 A/B

The PM1703MO-1A and PM1703MO-1B instruments combine features of both SPRD and dosimeter in the one housing. Small-sized GM tube allows to measure dose and dose rate of the gamma radiation in the wide energy range while highly sensitive CsI(Tl) scintillation detector allows searching for radioactive and nuclear materials and primary radionuclide identification of the radioactive sources.
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The PM1703MO family instruments combine functionality of the Spectroscopic Personal Radiation Detector (SPRD) and dosimeter in the one housing. The highly sensitive CsI(Tl) detector enables prompt gamma radiation detection, source location and primary radionuclide identification. The GM tube based detector ensures precise dose and dose rate measurement.

The Personal Combined Radiation Detectors/Dosimeters consist of two separate parts:

  • PM1703MO-1A/PM1703MO-1B radiation detector equipped with a USB / Bluetooth module
  • PoliIdentify software - Polimaster proprietary software suite used for data processing and radioisotope identification.


The external computing device such as smartphone, PDA, laptop, or PC can be used to run PoliIdentify software. The communication between the detector and the external computing device is carried out either via USB (PM1703MO-1A) or Bluetooth (PM1703MO-1B) channel.

The separation of the detection and data processing parts of SPRD suite provides high flexibility in the configuration and number of benefits to the end-user. For example, the radiation detector can be used as a conventional standalone personal radiation detector (PRD). If there a need for the isotope identification capabilities the PRD can be upgraded to enable identification and networking capabilities without hardware replacing and/or significant modification. Additionally, communication via Bluetooth allows distance separation between user and the radiation source while instrument is operating and providing additional protection to the user from unnecessary radiation exposure.

The PM1703MO-1A/B SPRD models have the following functions:

  • Search and localization of gamma radiation sources;
  • Precise measuring of DER and DE of gamma and X-ray radiation;
  • Alert the user with visual,audible and vibration alarms when the thresholds are exceeded.


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

The summary of the additional features of SPRD models in respect to their basic precursor model PM1703MO-1:

USB or Bluetooth Connectivity
PM1703MO-1A has USB and PM1703MO-1B has Bluetooth channels. This provides the ability to transmit the gross counts and accumulated spectra to an external computing device, such as smartphone, PDA, laptop and/or desk-top computer. The Bluetooth function also allows user to be at a safe distance from the radiation sources while the SPRD is in operation, providing and additional degree of user protection from the radiation exposure by distance.

Isotope Identification Software Suite - PoliIdentify
A suite of isotope identification software applications that can be installed on an external computing device such as smartphone, PDA, laptop, or PC and allows immediate identification and category classification of the alarming isotope(s). Simultaneous identification of multiple isotopes is 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). The Polimaster Nuclear Protection Network (NPNETTM) system is available to experts at UCC. Through the NPNET, experts can obtain real-time information about dose rates, gamma scintillation spectra, detected and identified isotopes, instrument’s GPS locations, live mapping of the area, and monitoring of radiation levels for the whole area of surveillance.

Standards compliance

Designed to meet ANSI N42.32-2006, ANSI N42.33 -2006, IEC 62401:2007, ANSI N42.48 - 2008, ITRAP+10 (IAEA) requirements

 

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Applications:


PM1703MO-1APM1703MO-1B
Detector
gamma
CsI(Tl), GM tubeCsI(Tl), GM tube
neutron
xx
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
200 (s-1)/(μSv/h) (2.0 (s-1)/(μR/h))200 (s-1)/(μSv/h) (2.0 (s-1)/(μR/h))
- for Pu - α-Be
- for thermal neutrons
Energy range
gamma
0.033 – 3.0 MeV0.033 – 3.0 MeV
neutron
xx
Dose Rate
gamma
DER indication range: 0.01 μSv/h – 9.99 Sv/h
DER measurement range: 0.1 μSv/h – 9.99 Sv/h
DER indication range: 0.01 μSv/h – 9.99 Sv/h
DER measurement range: 0.1 μSv/h – 9.99 Sv/h
neutron
xx
Dose0.01 μSv – 9.99 Sv
(1 μR – 999 R)
0.01 μSv – 9.99 Sv
(1 μR – 999 R)
Accuracy
±(20+ К1/Н+K2*H)% in measurement range
0.1 μSv/h - 10 Sv/h (10 μR/h-1000 R/h),
where H - dose rate value in mSv/h;
К1 – coefficient 0.0025 mSv/h
K2 – coefficient 0.002 (mSv/h)-1
(at 137Cs)
±(20+ К1/Н+K2*H)% in measurement range
0.1 μSv/h - 10 Sv/h (10 μR/h-1000 R/h),
where H - dose rate value in mSv/h;
К1 – coefficient 0.0025 mSv/h
K2 – coefficient 0.002 (mSv/h)-1
(at 137Cs)
Response time0.25 s0.25 s
Alarm typelight, audio, vibrationlight, audio, vibration
Data recording20002000
Environmental protectionIP65IP65
Drop test on concrete floor0.7 m (2.3 ft)0.7 m (2.3 ft)
Power supplyone AA batteryone AA battery
Battery life timeup to 1000 hours

(at average ambient background 0.3 µSv/h,
LCD backlight, audible and vibration alarms 5 min/24 hours)
up to 1000 hours

(at average ambient background 0.3 µSv/h,
LCD backlight, audible and vibration alarms 5 min/24 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)
75 x 35 x 98 mm
(3’’ x 1 3/8’’ x 3 6/7’’)
75 x 35 x 98 mm
(3’’ x 1 3/8’’ x 3 6/7’’)
Weight
(without holster)
250 g (8.82 oz)250 g (8.82 oz)
(with holster)
290 g (10.23 oz)290 g (10.23 oz)
Low battery warningLCDLCD
Overload indication
gamma
OLOL
neutron
xx
PC CommunicationIRDA, USBIRDA, Bluetooth