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Aer 5000 — Радиометр объёмной активности аэрозолей
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В Госреестре: не внесён в Госреестр СИ РФ. Радиометр объёмной активности аэрозолей Aer 5000
Радиометр Aer 5000 предназначен для измерения ОА радиоактивных аэрозолей в воздухе.
Технические характеристики радиометра объёмной активности радиоактивных аэрозолей AER 5000:
| Detector
Energy range | 400 … 1200mm² ion-implanted silicon detector open face sampling for minimum collection losses option: Tube connector for air inlet (vacuum flange KF/DN16) option: Double detector for dynamic gamma background compensation 80keV…3MeV (for 400mm2 detector) or 150 keV…3 MeV (for 1200mm2 detector) beta; 3…10MeV (alpha) |
| Counting efficiency | approx. 20% (4p) |
| Filter/Stepper | membrane filter tape (PTFE); 5µm pore size; length 30m; width 65mm; good for more than 330 filter steps pneumatic filter sealing for minimum leakage rate deposition rate >99,9% active filter test with respect to perforation and exhaustion tool-less replacement of filter coils more than 12 months autonomous operation in “normal” environment configurable trigger for filter stepping (e.g. each sample in- terval, fixed period, filter exhaustion, activity detected) required period for filter replacement <2s |
| Pump | brush-less, long-life, low noise quality membrane pump nominal air flow 8l/min (adjustable range 4 to 10l/min) processor controlled air flow for const. deposition conditions pressure drop across the filter 15…150mbar (at 10l/min) noise emission approx. 55 dBA (in 1m distance) |
| Results | Equilibrium Equivalent Concentration (EEC) for radon and thoron daughter products in Bq/m³ exposure for Alpha and Beta emitters (LLRD) in Bqh/m³ dose for Alpha and Beta emitters in µSv or DAC-hrs (dose coefficients adjustable by user) detection of Natural Uranium with automatic selection of the Unat dose coefficient average activity concentration for Alpha and Beta emitters in Bq/m³ separate channel for Alpha gross counting in cps or Bq option: dose rate in µSv/h temperature, humidity, pressure, battery voltage flow rate, filter exhaustion, filter stepping, end of filter tape |
| Standards | IEC 60761-1 IEC 60761-2 IEC 61578 IEC 61577-3 IEC 1263 CE, VDE DIN ISO 16639 (VDE 0493-1-6639) |
| Compensation | compensation of natural radon background by alpha spec- troscopy with dynamic fitting of peak shape with respect to progressive filter exhaustion upper alpha energy threshold for LLRD = 5.6MeV static compensation of Gamma background option: dynamic compensation of Gamma background by double detector dynamic shock rejection (mechanical shock) by pulse signal shape analysis |
| LLRD Sensitivity | approx. 7 cpm/(Bqh/m³) |
| Measuring range | 35 000 Bqh/m³ (175 000 DACh(Pu)) 2 MBq/m³ over 1 minute |
| Measurement | up to 16 user definable sampling cycles (1s to 1year) predefined sampling cycles 1, 5, 15, 60 minutes |
| Detection limits | see tables below |
| Alert indication | configurable alert thresholds for all measured results alert tower with green, yellow and red light, 360° visible 90dB signal buzzer (option) alert indication at display alert reset is configurable (either with confirmation by the user or automatic reset if the alert condition is no longer pre- sent) pre-defined alerts for LLRD activity, low/high count rate, filter perforation, end of filter tape |
| Data storage | 2GB SD card (> 800 000 data records) storage of all measured raw data incl. spectra |
| Display | touch screen 6cm x 9cm (4.5”); Graphic 240 x128 high contrast even in direct sunlight backlight |
| Operation | intuitive, straight forward menu structure |
| Interfaces | USB, RS232 (RS422/RS485 optionally) option: Net Monitors wireless (ZigBee) option: TCP/IP (Ethernet/WLAN) 6 additional configurable analogous sensor inputs 1 add.counter input (for models without GM-tube option only) option: relay contact (24V/0,5A) |
| Power supply | power adapter 18V/60VA internal NiMH buffer battery 12V/1Ah for more than 6 hours operation in case of mains power interruption (without pump) |
| Power consumption ATEX category | <50 Wno |
| Housing | space saving desktop housing ease of decontamination |
| Dimensions | 308mm x 308mm x 175mm (12” x 12” x 7”) plus detection head |
| Weight | 8kg |
| Ambient conditions | 0…50°C 5…95%rH, non-condensing 800…1100mbar |
| Software dVISION | remote control data transfer, visualization data management, export to text files system configuration creating / editing of measurement cycles network management |
| Additional options | sealed filter unit for connection to ventilation ducts GM-detector for gamma dose rate measurement double Si-detector single filter facility / manually changing |
| Calibration/Test | factory calibration in a radon daughter product atmosphere with aerosol generator test sources Am-241 (alpha) and Cs-137 (beta); recom- mended are area sources with 185Bq nominal activity such as Eckert & Ziegler AMRB22757 and CDRB22758 (d 30mm x 0.8mm) flow rate check on top of the filter using adapter dome and low differential pressure air flow meter (Dp < 15mbar @10 l/min) |
| Scope of delivery | USB cable RS232 cable fuse (x2) power supply adapter filter roll (1x30m) factory calibration certificate user manual (on CD as pdf-file) transportation case |
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