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Help CenterUltra-low Range UV-DOAS Gas Bench With Automatic Temperature Compensation
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Introduction
Gasboard-2205 series UV-DOAS gas bench adopt high-precision ultraviolet differential absorption spectroscopy gas analysis technology. With flashing xenon lamp as light source, when the light is transmitted in the measured gas, the intensity of the differential absorption characteristic produced is different which is used to derive the gas concentration & gas type Using a unique algorithm, the long path is returned to the gas chamber multiple times to get high sensitivity & strong absorption signal, at the same time it support long service life and good stability. It can accurately measure the gas concentration of SO2, NO and NO2. The measurement range is less than 100mg/m3, which can completely fulfill the needs of the ultra-low emission monitoring market.
Features
1. Advanced UV DOAS sensor for Measurement of ultra-low SO2, NO ≤250ppm, the loweat range to be 0-50mg/m3 & Optional NO2
2. One chamber for up to 3 gases components measurement simultaneously
3. Measurement NO2 directly without converter, and lowest to 100mg/m3
4. Automatic temperature compensation
5. No moisture & vibration interference
6. High precision, good stability and long life
Specifications
| Measurement Gases | S02 NO NO2（optional） |
| Measurement Technology | UV-DOAS |
| Measurement range |
SO2: 0-100mg/m3 ； NO: 0-100mg/m3; NO2： 0-100mg/m3 (range can be customized） |
| Accuracy | ≤±2%F.S. |
| Repeatability | ≤2% |
| 24h zero/span drift | ≤±2%F.S. |
| 7days zero/span drift | ≤±2.5%F.S. |
| Response Time | T90 |
| Output | RS232 |
| Power supply |
Mainboard power supply：12VDC/24W Constant temperature heating power supply：100~240VAC, 80W |
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