-
图文详情
-
产品属性
-
相关推荐
品牌 | 美国2B Technologies | 型号 | 202 |
类型 | 便携式臭氧检测仪 |
产品
2B臭氧分析仪202型使用254nm紫外光吸收法,适用于监测大气中的臭氧浓度,量程由1.5ppbv至100ppmv。分析仪特点高、体积细小、重量(4.7磅, 2.1公升)及低电量消耗。备有遥控监测配件。
特点:
- 使用254nm紫外光吸收法
- 高及分解度,量程由1.5ppbv至100ppmv
- 低电量消耗,能以12V DC (5.0W)外置电源操作
- DewLineTM 技术减低水气对仪器的干扰
- 模拟输出0-2.5V
应用:
- 气球及航空的大气测量
- 建立城市监测网络
- 个人及工作环境监测
- 工业生产中监测
产品规格:
操作原理 | 紫外光254nm灯 |
量程 | 1.5ppbv-100ppmv |
±2% | |
采样时间 | 10秒、1分钟、5分钟及1小时 |
记忆容量 | 20,480组 |
输出 | 数码显示,0-2.5V,RS-232 |
流量 | 大约1L/min |
尺寸 / 重量 | 90 × 210 × 290 mm / 4.7lb |
电源 | 12VDC交流电 |
The 2B Technologies Model 202 Ozone Monitor™ is designed to enable accurate and precise measurements of ozone ranging from low ppb (precision of ~1 ppb) up to 100,000 ppb (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 applications such as:
- Vertical profiling using balloons, kites, RPVs and light aircraft where space and weight are highly limited
- Long-term monitoring at remote locations where power is highly limited
- Urban arrays of ground-based detectors
- Personal exposure monitoring for studies of health effects of air pollutants
- Environmental health and safety monitoring
- Laboratory studies of the effects of ozone exposure on materials and organisms
The Model 202 has been designated by the EPA as a Federal Equivalent Method (FEM):EQOA-0410-190.
Options
- Flash Card Memory for virtually unlimited, portable data storage
- GPS for continuous logging of latitude, longitude and altitude
- Rechargeable metal hydride battery provides 12 hr of continuous operation
- External particle filter
- Serial-to-USB adapter
- Rotary vane air pump for low temperature and quiet operation
- External air pump for long pump life
Specifications
Measurement Principle | UV Absorption at 254 nm |
Linear Dynamic Range | 1.5 ppb to 250 ppm |
Resolution | 0.1 ppb |
Precision (1σ; rms noise) | Greater of 1.5 ppb or 2% of reading |
Accuracy | Greater of 1.5 ppb or 2% of reading |
Limit of Detection (2σ) | 3.0 ppb |
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 ppb/day |
Sensitivity Drift | <1%/day |
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 |
System Includes
- Model 202 Ozone Monitor
- AC Power Adapter (100-240 VAC to 12 VDC) with Country-Specific Plug
- Cigarette Lighter Adapter
- Battery Wire Connector
- Zeroing Cartridge
- Operation Manual on CD
- Calibration Data and NIST-Traceable Calibration Certificate
- Instrument Birth Certificate
- One Year Warranty
To download a brochure describing the Model 202 Ozone Monitor™ (PDF format), click on the download button below.