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联系电话： 010-82752485-818
Model202臭氧分析仪设计用来测量大气中的臭氧浓度，范围从1.5 v 到100 ppmv，该仪器使用了已标准的紫外吸收技术@254 nm。仪器具有高的精度，小巧的体积和低功耗。是许多远程现场监测和城市网络监测应用的理想工具；也是科学试验、实验研究和工艺监测的理想选择。
应用
&bull 远程监控网络
&bull 气球和飞行器携带测量
&bull 城市网络监控
&bull 个体暴露量测量和工作场所监测
&bull 工业工艺应用
技术规格
测量原理：254 nm紫外吸收技术
量程：1.5 v到100 ppmv ；三挡量程自动换挡：0~999.9ppb；1000～9，999ppb和10，000~99，999ppbv，
显示单位：ppb，分辨率可达0.1ppbv
精度和准确度：2%
测量间隙：10 秒(平均选项：10s，1 min，5 min，1 hr)
流量：约1 l/min
数据储存：20480行(每10s 储存一个数据平均可达2.4 天，每5 分钟可达2.4 月；每小时则2.4年)
数据输出：RS-232，0-2.5V DC 模拟，LCD显示
数据输入：3 通道，0-2.5 V DC
电源：12 V DC，4.0 W
尺寸：9 cm x 21 cm x 29 cm
重量：2.1kg- 仅0.7 kg
联系电话： 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 |
联系电话： 010-82752485-818
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