| 加工定制：是 | 品牌：2B Technologies | 型号：205 |
| 测量范围：1 | 测量对象：1 | 测量精度：1 |
| 尺寸：1mm | 重量：1kg | 电源：1 |
产品简介
特点：
使用双束254nm紫外光吸收法
高精度及分解度，量程由1ppbv至100ppmv
2秒响应时间，较同类型产品优越
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
内置数据记录功能及实时时钟显示。并有3组仿真讯号输出
以RS-232输出时间、日期、臭氧浓度、仪器内温度、气压及另外3组补充轮入讯号，例如外置温度、湿度及气压
模拟输出0-2.5V
选配GPS功能及CF记忆卡
应用：
气球及航空的大气测量
建立遥控监测网络
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 | 双光束紫外光254nm灯 |
| 量程 | 1ppbv~100ppmv |
| 精度 | ±2% |
| 采样时间 | 2秒、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 / 4.7磅 |
| 电源 | 12VDC交流电 |
Specifications
| Measurement Principle | UV Absorption at 254 nm; Dual Beam |
| Linear Dynamic Range | 1.0 ppb to 250 ppm |
| Resolution | 0.1 ppb |
| Precision (1σ; rms noise) | Greater of 1.0 ppb or 2% of reading |
| Accuracy | Greater of 1.0 ppb or 2% of reading |
| Limit of Detection (2σ) | 2.0 ppb |
| NIST-Traceable Calibration | Yes |
| Measurement Interval | 2 s (Data averaging options: 2 s; 10 s, 1 min, 5 min, 1 hr) |
| Flow Rate (nominal) | ~1.8 Liter/min |
| Flow Rate Requirement | >1.2 L/min |
| Baseline Drift | <1 ppb/day |
| Sensitivity Drift | <1%/day |
| Measurement Time, Frequency | 2 s, 0.5 Hz |
| Response Time, *** of Step Change | 4 s, 2 points |
| Averaging Times | 2 s, 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, mg 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, 415 mA, 5.0 watt (3.9 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 |
