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