|
Detectors |
|
| Gamma channel |
NaI(Tl) ø63х63 mm |
| Beta channel |
Plastic scintillator, ø128x9 mm |
| Energy range |
|
| Gamma radiation |
50 keV...3 MeV |
| Beta radiation |
150 keV...3.5 MeV |
| Volumetric (specific) activity measuring range without sample concentration (in Spectrometric and Radiometric modes) |
|
| 137Cs |
2...106 Bq/l (Bq/kg) |
| 40K |
20...2·104 Bq/l (Bq/kg) |
| 226Ra |
3...104 Bq/l (Bq/kg) |
| 232Th |
3...104 Bq/l (Bq/kg) |
| 90Sr (In Radiometric mode only) |
20...106 Bq/l (Bq/kg) |
| 131I (In Spectrometric mode only) |
10...105 Bq/l (Bq/kg) |
| 134Cs (In Spectrometric mode only) |
6...105 Bq/l (Bq/kg) |
| Intrinsic relative error of activity measurement with Р = 0.95 |
±20% max. |
| Measured sample density range |
0.2...1.6 g/cm3 |
| Lower limit of 90Sr measurement range with sample concentration in conversion to "wet" sample |
|
| For potable water |
0.2 Bq/l |
| For milk, baby food |
1.5 Bq/l |
| For potatoes, corn, grain, agricultural raw materials |
2.0 Bq/kg |
| Integral nonlinearity |
<1% |
| Relative energy resolution for 662 keV gamma-ray line |
≤7.5% |
| Maximum input statistical load |
1·104 s-1 |
| Calibration scale instability during continuous service |
<2% |
| Measurement instability during continuous service |
<5% |
| Number of ADC channels |
1024 |
| Continuous run time |
≥24 h |
| Operation mode setup time |
<15 min |
| Working temperature range |
+10°С...+35°С |
| Relative humidity with air temperature ≤30°C without condensation |
≤75% |
| Power supply |
230 VAC (±23 V), 50±0.4 Hz |
| Power consumption without printer |
300 VA max. |
| Overall dimensions, weight |
|
| Gamma detection unit |
ø98x371 mm, 3 kg |
| Beta detection unit |
ø138x340 mm, 3 kg |
| Protection unit |
ø600x950 mm, 120 kg |
| Measurement vessels volume |
|
| For "wet" samples |
Marinelli beaker, 1 l; Flat vessel, 0.5 and 0.1 l |
| For concentrated samples |
Flat vessel, 0.2 l and 0.03 l |
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