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聯(lián)系電話： 010-82752485-818
Model202臭氧分析儀設計用來測量大氣中的臭氧濃度，范圍從1.5 v 到100 ppmv，該儀器使用了已標準的紫外吸收技術@254 nm。儀器具有高的精度，小巧的體積和低功耗。是許多遠程現(xiàn)場監(jiān)測和城市網(wǎng)絡監(jiān)測應用的理想工具；也是科學試驗、實驗研究和工藝監(jiān)測的理想選擇。
應用
&bull 遠程監(jiān)控網(wǎng)絡
&bull 氣球和飛行器攜帶測量
&bull 城市網(wǎng)絡監(jiān)控
&bull 個體暴露量測量和工作場所監(jiān)測
&bull 工業(yè)工藝應用
技術規(guī)格
測量原理：254 nm紫外吸收技術
量程：1.5 v到100 ppmv ；三擋量程自動換擋：0~999.9ppb；1000～9，999ppb和10，000~99，999ppbv，
顯示單位：ppb，分辨率可達0.1ppbv
精度和準確度：2%
測量間隙：10 秒(平均選項：10s，1 min，5 min，1 hr)
流量：約1 l/min
數(shù)據(jù)儲存：20480行(每10s 儲存一個數(shù)據(jù)平均可達2.4 天，每5 分鐘可達2.4 月；每小時則2.4年)
數(shù)據(jù)輸出：RS-232，0-2.5V DC 模擬，LCD顯示
數(shù)據(jù)輸入：3 通道，0-2.5 V DC
電源：12 V DC，4.0 W
尺寸：9 cm x 21 cm x 29 cm
重量：2.1kg- 僅0.7 kg
聯(lián)系電話： 010-59483169
The 2B Technologies Model 202 Ozone Monitor™ is designed to enable accurate and precise measurements of ozone ranging from low (precision of ~1 ) up to 100，000 (0-100 ppm) based on the well established technique of absorption of UV light at 254 nm. The Model 202 Ozone Monitor™ is light weight (4.7 lb.， 2.1 kg.) and has a low power consumption (12V DC， 0.33 amp， 4.0 Watt) relative to conventional instruments and is therefore well suited for applicatio uch as:Vertical profiling using balloons， kites， RPVs and light aircraft where space and weight are highly limitedLong-term monitoring at remote locations where power is highly limitedUrban arrays of ground-based detectorsPersonal exposure monitoring for studies of health effects of air pollutantsEnvironmental health and safety monitoringLaboratory studies of the effects of ozone exposure on materials and organisms
The Model 202 has been designated by the EPA as a Federal Equivalent MethodOptionsFlash Card Memory for virtually unlimited， portable data storageGPS for continuous logging of latitude， longitude and altitudeRechargeable metal hydride battery provides 12 hr of continuous operationExternal particle filterSerial-to-USB adapterRotary vane air pump for low temperature and quiet operationExternal air pump for long pump life
System IncludesModel 202 Ozone MonitorAC Power Adapter (100-240 VAC to 12 VDC) with Country-Specific PlugCigarette Lighter Adapter Battery Wire ConnectorZeroing CartridgeOperation Manual on CDCalibration Data and NIST-Traceable Calibration CertificateInstrument Birth CertificateOne Year Warranty
Specifications
| Measurement Principle | UV Absorption at 254 nm |
| Linear Dynamic Range | 1.5 to 250 ppm |
| Resolution | 0.1 |
| Precision (1σ; rms noise) | Greater of 1.5 or 2% of reading |
| Accuracy | Greater of 1.5 or 2% of reading |
| Limit of Detection (2σ) | 3.0 |
| NIST-Traceable Calibration | Yes |
| Measurement Interval | 10 s (Data averaging options: 10 s， 1 min， 5 min， 1 hr) |
| Flow Rate (nominal) | ~1 Liter/min |
| Flow Rate Requirement | >0.6 L/min |
| Baseline Drift | <2 /day <5 /year |
| Sensitivity Drift | <1%/day <3%/year |
| Measurement Time， Frequency | 10 s， 0.1 Hz |
| Response Time， 100% of Step Change | 20 s， 2 points |
| Averaging Times | 10 s， 1 min， 5 min， 1 hr |
| Data Storage | 14，336 lines (10 s avg. = 1.4 days; 5 min avg = 1.4 mo.) |
| Ozone Units | ppb， ppm， pphm， µg m-3， mg m-3 |
| Pressure Units | mbar， torr |
| Temperature Units | °C， K |
| T and P Corrected | Yes |
| Operating Temperature Range | 0 to 50 °C; -20 to 50 °C with low temperature modifications (rotary vane pump and lamp heater) |
| Operating Altitude Range | ~0-30 km (~30-1000 mbar) |
| Power Requirement; Supplied by battery or 110/220 VAC Power Pack | 12 V dc or 120/240 V ac， 335 mA， 4.0 watt (2.9 watt with cell heater unplugged) |
| Size | 3.5 x 8.5 x 11 inches (9 x 21 x 29 cm) |
| Weight | 4.7 lb (2.1 kg); 1.6 lb (0.7 kg) without instrument case |
| Data Logger Capacity | 14，336 lines (10 s avg. = 1.4 days; 1 min avg = 10 days; 5 min avg = 1.4 mo; 1 hr avg = 1.6 yr |
| Analog Inputs for Internal Logging of Other Instruments | 3 Analog Inputs， 0-2.5 V; For example could log external T， P and RH |
| Data Outputs | RS232， 0-2.5 V Analog， LCD Display; External USB Converter: (Optional 4-20 mA Current; request quote) |
| Data Transfer Baud Rates | 1200， 2400， 4800， 19200 |
| Output Ranges | User Defined Scaling Factor in Menu |
| DewLine™ | Yes |
| Backup Air Pump | Yes |
| Flow Meter | Yes |
| Options | GPS， Flash Card Memory， 4-20 mA Current Output; Lamp Heater; Rotary Vane Air Pump; Long-Life External Air Pump; Rack Mount Case |
| Upgradable to Model 205 Dual Beam | Yes |
聯(lián)系電話： 010-82752485-818
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