High sensitive wide-range selective spectrometric scintillation radioactivity monitors to measure volume and specific 137Cs radioactivity in envorinmental targets and specific effective activity of natural radionuclides 40К, 226Ra and 232Th in building materials and to perform metal radiation monitoring
Features
| - Spectrometric smart probe (Wilkinson MCA, 512 channels) |
|
| - Built-in continuous automatic LED stabilization of the energy scale and its periodical calibration using a KCl check sample |
|
| - Background value keeping in the memory and its automatic subtraction |
|
| - Instrument spectrum processing using 'energy windows' |
|
| - Spectrometric data output on a matrix backlit LCD 128x64 |
|
| - Logging up to 300 measured spectra in the nonvolatile memory |
|
| - PC interface |
|
| - Recalibration to other radionuclides and measuring geometries |
|
| - Optional 222Rn measuring in soils and soil air |
|
| - Radiation monitoring of mushrooms and berries in standard 10 l boxes for 20 s |
|
Application
| Radioactivity monitoring |
| - Food (drinking water, agricultural products etc.) |
| - Minerals, building materials, timber etc. |
| - Metal and petrochemical products, raw materials and scap, industry |
| - Nuclear wastes |
Specification
| |
 |
 |
| Detector - scintillation NaI(Tl) |
ø63х63 mm |
| Volume (specific) activity measuring range |
|
| 137Cs |
3.7 - 1000000 Bq/l (Bq/kg) |
| 40K |
50 - 20000 Bq/l (Bq/kg) |
| 226Ra |
10 - 10000 Bq/l (Bq/kg) |
| 232Th |
10 - 10000 Bq/l (Bq/kg) |
Intrinsic error
of volume (specific) activity measurement at P=0.95 |
not more than ± 20 % |
| Density range of measured samples |
0.1 - 3 g/cm3 |
Minimum measuring 137Cs volume activity
in a Marinelly vessel filled with drinking water for 3 h with the statistical error of ± 50 % (Р=0.95) |
3 Bq/l |
| Energy range of detected gamma radiation |
50 - 3000 keV |
| Integral non-linearity |
not more than ± 1 % |
| Proper background in 137Cs window |
less than 2 cps |
Relative energy resolution on 137Cs
|
7.0 - 9.5 % |
| Continuous operation time |
not less than 24 h |
| Instrument data instability for 24 h |
not more than 3% |
| Operating temperature range |
0 - +40°С |
| Power requirements |
220 (+22; -33) V, (50 ± 2) Hz |
| Required power |
not more than 8 VA |
| Radio disturbance |
|
| CEI/IEC CISPR 22:1997 |
|
| Electromagnetic compatibility |
|
| CEI/IEC 61000-4-2:1995 |
|
| IEC 61000-4-3:1995 |
|
| IEC 61000-4-4:1995 |
|
| IEC 61000-4-11:1995 |
|
| Operation mode setup time |
15 min |
| Measuring vessels |
|
| Marinelly |
1 l |
| flat |
0.5l, 0.1 l |
| plastic box, 380х280х100 mm |
10 l |
| Dimensions, weight |
|
| detection unit |
ø 97х350 mm, 3 kg |
| processing unit |
200х106х35 mm, 0.62 kg |
| protection unit |
ø 600х700 mm, 125 kg |
| AC adapter |
92х62х52 mm, 1 kg |
| Instrument |
Radionuclides to control |
Measuring vessels |
| AT1320 |
137Cs, 40K, 226Ra, 232Th |
1 l, 0.5 l, 0.1 l |
| AT1320A |
137Cs, 40K |
1 l, 0.5 l, 0.1 l |
| AT1320B |
137Cs, 40K |
1 l, 0.5 l, 0.1 l,
10 l (withount protection unit lid) |
Complete set: detection unit, processing unit, protection unit, AC adapter, Manual, measuring techniques, measuring vessels, sample compactor and KCl check sample.
Applied software for spectra processing on PC is an option and it is supplied on additional order.
The gamma radioactivity monitor AT1320 (AT1320A, AT1320B) has pattern approval certificates of Republic of Belarus, Russian Federation, Ukraine, Lithuania and Turkmenistan. .
It complies with IEC 61563 International standard requirements. They also conform with the 89/336/EEC directive complying with EN 61326 standard requirements and 73/23/EEC directive complying with EN61010-1 standard requirements.
|
