Description
The CBRN Protection TCT / Micasensor miCAM-micro is designed as a personal dosimeter of internal exposure caused by inhalation of alpha- and beta- active aerosols. It also operates as continuous air monitor (CAM) by measuring volume activity of radioactive airborne particulates as well as Potential Alpha Energy Concentration (PAEC) of Ra-222 and Ra-220 daughters in real time and providing audio and visual alarms when preset thresholds are exceeded. The miCAM-micro is invaluable in applications where the individual monitoring of personal inhalation exposure is needed: in controlled areas of nuclear power plants, mines and ore processing industry, as emergency monitors in case of accidents etc.
The dosimeter has compact and lightweight design, which allows carrying it in the breathing zone of a person during performance of regular duties. The miCAM-micro continuously samples air drawn to the detector head and measures alpha and beta particulate activity deposited on filter media. The advanced measurement algorithm then calculates the personal exposure received by the operator during his work hours.
The miCAM-micro is supplied with individual or group charger/dock station. When placed in the dock the instrument automatically charges the battery and transfers all collected data to the PC or centralized personnel exposure management system using industry standard RS-485 Modbus RTU interface. This makes miCAM-micro the ideal solution for the group use and system integration.
Technical Specifications
| Radiological | |
|---|---|
| Airborne activity concentration measurement range:
- alpha
- beta |
from 0.1 to 1x107 Bq/m3 from 2 to 1x107 Bq/m3 |
| Radon equilibrium equivalent concentration in the air indication range: | 1x10-1 to 2x106 Bq/m3 |
| Intrinsic error, alpha measurement, in a range:
- from 0.1 to 5 Bq/m3
- from 5 to 1 Bq/m7 |
± 50% ± 15% |
| Intrinsic error, beta measurement, in a range:
- from 2 to 10 Bq/m3
- from 10 to 107 Bq/m3 |
± 50% ± 15% |
| Energy range:
- alpha
- beta |
from 2.5 to 10 MeV from 100 keV to 2.5 MeV |
| Committed effective dose of internal exposure measurement range:
- alpha (Pu-239)
- beta (Sr-Y-90) |
from 3 µSv to 10 Sv from 0.15 µSv to 1.5 Sv |
| Intrinsic error, effective dose measurement, alpha:
- from 3 to 50 µSv
- from 50 µSv to 10 Sv |
± 50% ± 15% |
| Intrinsic error, effective dose measurement, beta:
- from 0.15 to 10 µSv
- from 10 µSv to 1.5 Sv |
± 50% ± 15% |
| Functional | |
| Airflow rate, not less: | 1.2 LPM |
| Data interfaces: | RS-485 Modbus, USB |
| Self-tests and Diagnostics: | Built-in LED Response Check |
| Calibration: | Electro-plated stainless steel sources |
| Membrane filter type: | Ø25 mm, Alpha-Spectra-d25 |
| Environmental | |
| Temperature range: | -20 °C to +50 °C |
| Humidity: | up to 95%, non-condensing |
| Pressure: | from 84 to 106.7 kPa |
| Physical | |
| Size: | 57x80x164 mm |
| Weight: | 490 g |
| Ingress protection (excluding air sampling): | IP65 |