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Hand-Held Radiation Monitors PM1710C / PM1710GNC

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The wall-mounted highly sensitive radiation gamma and gamma-neutron monitors for building protection. The detectors can be installed near doorways and entrances to continually monitor passing people and packages for radioactive materials.
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The wall-mounted PM1710C Gamma and PM1710GNC Gamma-Neutron monitors are highly sensitive instruments designed for radiation monitoring and thus protection of a building against radioactive contamination. The detectors may be fixed near doorways and facility entrances to continuously monitor human traffic and their luggage against radioactive sources presence.

Both types of instruments have a radiation sensitivity that is close to the sensitivity of the much larger and significantly more expensive pedestrian radiation portal monitors. The PM1710C and 1710GNC achieve such sensitivity through their large CsI(Tl) gamma radiation detectors and He-3 neutron detector. However, the small and compact ergonomic design of the instruments allows professionals to use them comfortably and easily whether standing stationary or moving around.

When the instrument detects radiation that exceeds the preset threshold values, the alarms will begin to signal the danger via both the audible and visual alarms. To locate the radioactive source, the detector can be easily removed from a wall mounting cradle and used as a regular hand-held radiation detector.

The radiation detectors can be easily integrated into the local network by RS485/USB interface connection. Such integration allows a remote user to access to the detector’s readings on the PC screen and/or be immediately alerted in case of alarm.

Standards compliance

Designed to meet ITRAP (IAEA) recommendations

PM1710CPM1710GNC
Detector
CsI(Tl)CsI(Tl)
Search γ-channel
Sensitivity for 137Сs, no less
5 cps/(µR/h) (500 cps/(µSv/h)) 3 cps/(µR/h) (300 cps/(µSv/h))
Sensitivity for 241Am, no less
5 cps/(µR/h) (500 cps/(µSv/h)) 3 cps/(µR/h) (300 cps/(µSv/h))
Energy range in Search Mode
from 0.045 to 3.0 МeVfrom 0.06 to 3.0 МeV
Indication rangefrom 1 to 3000 µR/h (from 0.01 to 30 µSv/h)from 1 to 3000 μR/h (from 0.01 to 30 μSv/h)
DE measurement range
Accuracy of DER indication (at 137Сs)
in the range of 0.1 – 20 µSv/h (10 – 2000 µR/h),
no less
± (20 + К/ Η ) %, where Η – is the indicated DER,
К – a coefficient of 1 µSv/h
± (20 + К/ Η ) %, where Η – is the indicated DER,
К – a coefficient of 1 µSv/h
Gamma radiation scintillation spectra
acquisition channels
xx
The number of γ-radiation scintillation spectra
saved in the instrument’s memory
xx
Activity measurement sample
density range
x
Accuracy of 137Cs nuclide activity measurementx
Sensitivity to 137Cs in the activity measurement modex
137Cs activity measurement range
when using Marinelli beaker
x
Search neutron-channel
Detector
xHe-3
Sensitivity
- for Pu-α-Be
- for thermal neutrons
- for Pu-α-Be (with neutron moderator)


0.1 (counts·cm2)/neutron
7.0 (counts·cm2)/neutron
1.0 (counts·cm2)/neutron
Neutron count rate measurement energy range
xfrom thermal to 14.0 МeV
Indication range001 – 999 s-1
DER measurement range
(by Pu- α-Be source in collimated radiation)
Measuring γ-channel
Detector
xx
Dose equivalent rate measurement rangexx
Dose equivalent rate measurement energy rangexx
Measuring α and β-channel
Detector
xx
a-radiation flux density measurement range

xx
Sensitivity to α- radiation (239Pu)
β- radiation flux measurement range
xx
Sensitivity to β- radiation (90Sr+90Y)
Energy range of the measured of β-radiation flux
xx
Physical
Dimensions
172 x 57 x 32 mm (6¾'' x 2¼'' x 1¼'')195 x 82 x 32 mm (7 5/8'' x 3¼'' x 1¼'')
Weight
420 g (14.8 oz)650 g (22.9 oz)
Ingress protection code
IP65IP65
Drop test on concrete floor:
0.7 m (2.3 ft)0.7 m (2.3 ft)
CommunicationIRDA, RS-485IRDA, RS-485
Environmental
Temperature
-30 to +50 °C (-22 to +122 °F) -30 to +50 °C (-22 to +122 °F)
Humidity
up to 95 % at 35 °С (95 °F)up to 95 % at 35 °С (95 °F)
Power
Battery typeone AA batteryone AA battery
Battery lifetime
up to 700 hoursup to 700 hours
Power supply1.5 ( + 0.1; -0.4) V1.5 ( + 0.1; -0.4) V