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| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-3000UV |
| Detection Principle | UV Differential Optical Absorption Spectroscopy (UV-DOAS) |
| Instrument Type | Online Fixed-Mount Analyzer |
| Measurement Channels | Single Channel |
| Measuring Range | NO: 0–4000 ppm |
| NO₂ | 0–400 ppm |
| Response Time | T₉₀ ≤ 30 s |
| Accuracy | ±2% FS |
| Operating Temperature | 5–40 °C |
| Ambient Pressure | 86–106 kPa |
| Relative Humidity | ≤85% RH |
| Output Signals | RS-232 / RS-485 serial interface |
| Power Supply | 220 V ± 10%, 50 Hz ± 1 Hz |
| Display | LCD with local parameter readout |
| Zero Calibration | Integrated zero-air pump for automatic air-based zeroing |
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