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| Brand | Nikira |
|---|---|
| Origin | USA |
| Model | LI-G2002 Optical Ammonia Analyzer (OAA) |
| Measurement Principle | ICOS/CEAS (Integrated Cavity Output Spectroscopy / Cavity-Enhanced Absorption Spectroscopy) |
| NH₃ Accuracy | ±1 ppb (1 s, 1σ) |
| NH₃ Range | 1 ppb – 10 ppm |
| Data Output Rate | 1 Hz |
| Response Time | < 2 s |
| Sample Flow Rate | 2 SLPM |
| Operating Temperature | 5–45 °C |
| Operating Humidity | 0–95 % RH (non-condensing) |
| Communication Interfaces | RS-232 serial, built-in Wi-Fi, UART, USB 3.0, HDMI |
| Dimensions | 22" × 14" × 7.5" (55.9 × 35.6 × 19.1 cm) |
| Weight | 8 kg |
| Power Supply | 14–28 VDC, 2.5 A |
| Power Consumption | 35 W |
| Onboard Storage | 32 GB SD card (supports >1 million data points, ~2 years of continuous 1-Hz logging) |
| Calibration | Zero-air and span-gas optional |
| Filter | Replaceable inlet particulate filter |
| Warranty | 1 year |
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