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Con éste analizador Cerex multi-gas con tecnología UVDOAS es posible monitorear distancias lineales (fenceline) que incluso excedan 1000 metros. Muy bajo costo de consumibles y mantenimiento asi como mínimas necesidades de infraestructura para su operación).
Algunas de las especies detectables son: acetaldehidos, acroleína, amonia, benzeno, 1,3-butadieno, disulfito de carbon, cloro, dióxido de cloro, etilbenceno, formaldehidos, sulfuro de hidrógeno, naftaleno, óxido de nitrógeno, dióxido de nitrógeno, ozono, fenol, estireno, dióxido de azufre, tolueno, m-, o-, p-xilenos.
Algunos ejemplos de aplicaciones pueden incluir refinerías, incineradores, polos industriales, otras industrias petroquímicas, cementeras, minería, remediación medioambiental o monitoreo ambiental y de calidad de aire, etc.
Opcionalmente: C1 Div 2 A-D HAZLOC
EPA 40 CFR 63.658, BAAQMD Rule 12-15 y SCAQMD Rule 1180 compliance.
| Cerex UV Sentry Specifications: Standard Model | |
| General Specifications | |
| Applications (TYP) | Continuous Perimeter Ambient Air Monitoring (PAAM) , LDAR Monitoring , General Fugitive Emissions Monitoring, HAZMAT Response Monitoring |
| Analyzer Type | Open Path Mono-static Multi-Gas Analyzer (uses transceiver and retro-reflector) |
| Measurement Principle | UVDOAS – Beer’s Law |
| User Interface | Embedded PC with touchscreen interface |
| Real Time Analytic Software | Cerex Continuous Monitoring Software (CMS) |
| Operating System | Windows 8, 10 |
| Remote User Interface | Remote control over WiFi, Ethernet, Internet |
| Measurement Technology | Cerex UVDOAS |
| Detector | 1044 Pixel spectrometer (TE Cooled QE) |
| Spectrometer Resolution | 0.20 Nanometer (TE Cooled QEP) |
| UV Source | 100W Super Quiet Xenon Lamp |
| Operational Wavelengths | 225-415 nanometers |
| Linear Monitoring Distance | 1300 meters (Xenon source) |
| Total Sample Path Length | 2600 meters |
| Performance | |
| Dynamic Range | Target gas specific, automated dynamic reference selection for enhanced range |
| Concentration Measurement Accuracy | ±3% Reading TYP |
| Concentration Measurement Precision | ±5% Reading TYP |
| Humidty Influence | Immune to interference due to water vapor |
| Temperature Influence | Temperature controlled spectrometer |
| Zero Drift | No drift, automated spectral intensity matching |
| Span Drift | Not Applicable – Inherent calibration |
| Data Acqusition Rate | 30 – 400 milliseconds TYP |
| Data Output Rate | 10 S – 5 Min TYP, user configurable |
| Real Time Spectral Subtraction | Target and background gas specific spectral subtraction routine based on automated simultaneous multi-peak analysis correlation |
| Calibration | |
| Zero Calibration (Natural Background) | Fully automated clean air background acquisition based on target gas detection |
| Zero Calibration (Synthetic Background) | Fully automated synthetic zero updated each acqusition cycle – Does not require clean air for zeroing instrument. |
| Span Calibration | Not required, calibration is inherent in digital reference file used for gas quantification. |
| Calibration Correction | To sixth order polynomial correction equation |
| Quality Assurance Cell | Analyzer includes permanent mount internal sample cell for quality assurance audit |
| QA Cell Path Length | 0.04669 m |
| QA Cell Dimensions | 2.3495 cm L x 13.0378 cm DIA |
| QA Cell Volume | 0.3136 L |
| QA Cell Inlet Port | 1/4″ |
| QA Cell Outlet Port | 3/8″ |
| Maintenance | |
| UV Source Replacement | 2000 Hour Half-Life Warranty (Xenon and Deuterium sources) |
| Optics Cleaning (analyzer and retro-reflector) | All exposed optics in system may be cleaned with household glass cleaner |
| Analyzer Internal Optics | No cleaning necessary |
| Integration | |
| User Interface | Touchscreen PC with Windows, Remote control over Ethernet and WiFi |
| Data Output | .CSV via Ethernet and WiFi, Modbus TCP/IP |
| Data Output Options | RS-232, RS-422, RS-485, 4-20mA, 0-5VDC, MODBUS RTU, Email |
| User Configurable Alarms | Fully configurable concentration and rolling average concentration alarm functionality |
| Network | Scalable multi-node network to single workstation, PLC or database LAN Optional cellular modem or secure RF modem |
| Peripherals | Via type A USB Port |
| Data Acquisition (Digital) | Optional Serial or MODBUS I/O |
| Data Acquisition (Analog) | Optional 8 Channel 16 Bit ADC Interface |
| Installation | |
| Atmosphere Classification | Non-hazardous atmospheres only (HAZLOC Optional) |
| Operating Temperature | 0 to +40ºC (extended ranges optional) |
| Operating Humidity | 0-100% |
| Analyzer Enclosure | Painted steel, anodized aluminum |
| Analyzer Dimensions | 28″L x 12.125″W X 11.125″D |
| Analyzer Weight | 24 Kg (53lbs) |
| Analyzer Alignment Mechanism | Heavy duty gear driven pan and tilt head (PN 282264) |
| Analyzer Mount | Fixed mount: Mount adapter PN 88475 or operator supplied 1.25″ O.D. pole Portable mount: Heavy duty tripod PN 282265 |
| Electrical Requirements | 110VAC or 240VAC , Single Phase 50-60Hz, 5 Amp MAX |
| Electircal Connection | |
| WAN & LAN Connection | External RJ-45 |
| USB Connection | External Type A |
