Detector |
Scintillator, NaI(Tl) Ø63x63 mm |
Volumetric (specific) activity measuring range |
|
137Cs |
3.7 Bq/l...1000000 Bq/l (Bq/kg) |
40K |
50 Bq/l...20000 Bq/l (Bq/kg) |
226Ra |
10 Bq/l...10000 Bq/l (Bq/kg) |
232Th |
10 Bq/l...10000 Bq/l (Bq/kg) |
Intrinsic relative errorof volumetric (specific) activity |
±20% max. |
measurement with confidence probability P=0.95 |
|
Measured sample density range |
0.1 g/cm3...3 g/cm3 |
Minimum measured volumetric activityof 137Cs |
5.7 Bq/l |
radionuclide in potable water for Marinelli beaker |
|
geometry during 1-hour measurement with ±50% |
|
statistical error (Р=0.95) |
|
Energy rangeof measured gamma radiation |
50 keV...3000 keV |
Number of ADC channels |
512 |
Integral nonlinearity |
±1% max. |
Intrinsic backgroundfor 137Cs window |
<2 cps |
Relative energy resolutionfor 137Cs |
<8% |
Operation mode setup time |
10 min |
Continuous run time |
≥24 h |
Measurement instabilityduring continuous service |
±3% max. |
Working temperature range |
0°С...+40°С |
Relative humiditywith air temperature ≤30оС without condensation |
≤75% |
Power supply |
230 V (+23 V/-35 V), 50±1 Hz |
Power consumption |
≤8 VA |
Measurement vessels |
|
Marinelli beaker |
1 litre |
Flat vessel |
0.5 litre and 0.1 litre |
Plastic box, 380x280x100 mm |
10 litre |
Overall dimensions, weight |
|
Detection unit |
ø97x350 mm, 2 kg |
Processing unit |
200x106x35 mm, 0.62 kg |
Protection unit |
ø600x700 mm, 125 kg |
Mains adapter |
92x62x52 mm, 1 kg |