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| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 408 |
| NO Generation Method | Photolytic decomposition of N₂O at 185 nm |
| Output Concentration Range | 0 and 10–1000 ppb |
| Accuracy | ±3 ppb or ±3% of reading (whichever is greater) |
| Flow Rate | ~3.0 L/min |
| Rise Time | <30 s (to 95% of setpoint) |
| Operating Temperature | 0–40 °C |
| Power Supply | 12 V DC or 120/240 V AC, 21 W |
| Dimensions | 9.4 × 21.6 × 24.1 cm |
| Weight | 2.4 kg |
| Diagnostic Interface | RS-232 |
| Humidity-Matched Output | Yes |
| NIST-Traceable Calibration | Yes |
| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 410 |
| Measurement Principle | Chemiluminescence-free ozone titration with UV absorption at 254 nm (NOzone™ Technology) |
| Range | 0–2 ppm NO |
| Detection Limit | <1.5 ppb or ±2% of reading, whichever is greater |
| Data Storage | 14,336 rows (e.g., 10-sec averages for ~1.4 days |
| Sampling Flow Rate | 1.0 L/min |
| Measurement Interval | Configurable (10 s, 1 min, 5 min, 1 hr) |
| Output Interfaces | RS-232 serial, 0–2.5 V analog, LCD display, optional microSD card logging |
| Dimensions | 33.7 × 20.0 × 13.3 cm |
| Weight | 8.3 kg (3.7 kg without portable case) |
| Optional Accessory | 401 NO₂ Converter for NOₓ and NO₂ measurement |
| Compliance | Designed for ambient air quality monitoring per EPA TO-15 and ISO 8573-1 referencing traceable gas standards |
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