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Detector type
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gamma, beta: GM counters, alpha: scintillation ZnS(Ag) counter
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Range of average energy and end point energy of measured beta spectrum
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0,08÷1,5 (0,2÷3,5) MeV
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Measured radionuclides:
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| Sr-90+Y-90, F-18, Cs-137, Co-60,
Tñ-99, O-15, N-13, Sr-89, C-11, I-131, Na-22, Ru-106+Rh-106, Tl-204 |
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| Pu-239, U-238, U-234 |
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| Tc-99m, Ga-67, I-125, I-123, Tl-201 |
Measurement range of surface contamination:
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10 ÷ 9999 min-1cm-2
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1 ÷ 9999 min-1cm-2
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Range of preset surface contamination alarm threshold:
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10 ÷ 9900 min-1cm-2
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1 ÷ 9900 min-1cm-2
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Alarm threshold resolution
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1 min-1cm-2
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Detector surface area:
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160 cm2
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320 cm2
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70 cm2
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Basic measurement error for beta radiation
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±(20+200/Ðß) %*
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Basic measurement error for alpha radiation
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±(20+20/Ða) %*
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Detector background:
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no more than 15 min-1cm-2
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no more than 1 min-1cm-2
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Duration of single measurement
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no more than 4 sec
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Interval between measurements
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no more than 5 sec
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Warmup time
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no more than 5 min
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Continuous operation time
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no more than 24 hours
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Operation temperature range
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minus 10 ÷ +50°Ñ
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Power supply
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220 (–15% / +10%)V, 50±1 Hz
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Power consumption
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no more than 20 VA
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Overall dimensions, weight:
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740×750×1180 mm, 45 kg
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740×400×190 mm, 12 kg
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* where Ðα(β) is the measured value of surface alpha (beta) contamination (min-1cm-2).
