- Detector: CsI(Tl)
- Sensitivity, no less than
+ On 241Am: 200 (s-1) / (μSv/h); 2.0 (s-1) / (μR/h)
+ On 137Cs: 200 (s-1 / (μSv/h); 2.0 (s-1 / (μR/h)
- Energy range of gamma radiation: 0.06 - 3.0 MeV
- Energy range in Search Mode: 0.03 - 3.0 MeV
- Coefficient n setting range,
(the number of mean square
deviations of background): 1.0 - 9.9
- The number of accumulation channels of the
scintillation spectra: 1024
- The number of spectra, stored in non-volatile memory: up to 100
- Detection of gamma radiation sources at a distance of
0.2m (0.7 ft ), velocity of 0.5 m/s (1.64 ft/s )
and level of radiation background of no more than
0,25 μSv/h (25 μR/h) when the activity of the sources is:
+ 133Ba: 55.0 kBq
+ 137Cs: 100.0 kBq
+ 60Co: 50.0 kBq
- Detection of the sampling sources at a distance of
0,2m (0.7 ft), velocity of 0.5m/s (1.64 ft/s)
and level of radiation background no more
than 0,25 μSv/h (25 μR/h) when the weight
of the sources is:
+ Pu: 0.3 g
+ U: 10 g
- Neutron search channel:
+ Detector: Slow neutron counter
+ Energy range: 0.025 eV - 14 MeV
+ Coefficient n setting range,
(the number of mean square deviations of background): 1.0 - 9.9
+ Detection of the 252Сf alternative source with
neutron flux 1,5х104 s-1
at a distance of 1 m (3.28 ft ), velocity of 0.5 m/s
(1.64 ft/s) and the level of radiation background of
no more than 0.25 μSv/h (25 μR/h ),
equivalent of plutonium: 250 g
- Measuring gamma-channel
+ Detector: GM-counter
+ Dose equivalent rate measurement range (DER): 0.1 µSv/h - 100 mSv/h
+ Energy range: 0.015 - 15 MeV
+ Energy response relative to 0.662 MeV (137Cs) in the photon radiation
measuring mode, (%) no more:
within the energy range from 0.015 up to 0.045 MeV ±40%
within the energy range from 0.045 up to 15.0 MeV ±30%
+ The allowable limits of the main relative error of DER
measurement (where H is the DER value in mSv/h) ± (15 + 0.0015/H) %
- Measuring alpha and beta channel
+ Detector: GM-counter
+ Alpha-flux density measurement range: from 15 min-1xcm-2
to 105 min-1xcm-2
+ The minimal detectable flux density: from 2 min-2xcm-1
+ The limits of allowable main relative error of measurement
of the α- flux density on 239Pu
(where φ - the measured density of α-flux
in min-1cm-2 А
coefficient equal 450 min-1cm-2): ± (20 + А/φ)%
+ β-flux density measurement range: from 6 min-1cm-2 to 105 min-1cm-2
+ The limits of allowable main relative error of measurement of β-particles
within the range on 90Sr+90Y
(where φ - the measured density of β-flux in
min-1cm-2 А,
coefficient equal 60 min-1cm-2): ± (20 + А/φ)%
- General specifications
Identification of radionuclides:
+ Special nuclear materials: 233U, 235U, 237Np, Pu
+ Medical radionuclides: 18F, 67Ga, 51Cr, 75Se, 89Sr,
99Mo, 99mTc,103Pd, 111In, 123I, 131I,
153Sm, 201Ti, 133Xe
+ Naturally occurring radioactive materials: 40K, 226Ra, 232Th and daughters,
238U and daughters
+ Industrial radionuclides: 57Co, 60Co, 133Ba, 137Cs, 192Ir,
226Ra, 241Am
- Alarming devices: visual (LCD), audible built-in,and external vibration
- Data transfer communication channels: IRDA (IR-channel), Bluetooth (radio-channel)
- Battery lifetime 600 h
- Battery AA
- Operating conditions
+ temperature range, °С (°F ): -30°C to 50°C (-22°F to 122°F)
+ relative humidity at 35 °С (95 °F ): up to 95% at 35°C (95°F)
- Protection degree: IP65
- Weight: 650 g (22.9 oz)
- Dimensions: 242 x 58 x 57 mm (9½ x 2¼ x 2¼ )
