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| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 306 |
| Instrument Type | Portable |
| Measurement Range | 0 and 30–1000 ppb |
| Response Time | <30 s |
| Ozone Generation Method | Photolysis of O₂ at 185 nm |
| Accuracy | ±2 ppb or ±1% of reading (whichever is greater) |
| Flow Rate | ~3.0 L/min |
| Rise Time | <30 s (to 95% of target concentration) |
| Output Interface | RS-232 |
| Power Supply | 12 V DC or 100–240 V AC, 18 W |
| Dimensions | 9 × 21 × 29 cm |
| Weight | 2.6 kg |
| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 205 |
| Measurement Principle | UV Absorption at 254 nm |
| Linear Range | 1 ppbv to 100 ppmv |
| Precision | ±1 ppb or ±2% of reading (whichever is greater) |
| Accuracy | ±1 ppb or ±2% of reading (whichever is greater) |
| Detection Limit | 2 ppb |
| Measurement Interval | 2 s (configurable averaging: 2 s, 10 s, 1 min, 5 min, 1 hr) |
| Response Time (100% step change) | 4 s (2-point) |
| Sample Flow Rate | ~1.8 L/min (nominal), >1.2 L/min (minimum required) |
| Baseline Drift | <1 ppb/day, <3 ppb/year |
| Sensitivity Drift | <1 ppb/day, <3 ppb/year |
| Temperature & Pressure Compensation | Yes |
| Operating Temperature | 0–50 °C (–20–50 °C with optional low-temperature modification kit) |
| Operating Altitude | 0–30 km (30–1000 mbar) |
| Output Units | ppb, ppm, pphm, µg·m⁻³, mg·m⁻³ |
| Data Storage Capacity | 14,336 rows (e.g., 1.4 days at 10-s average |
| Communication Interfaces | RS232 serial, 0–2.5 V analog output, LCD display |
| Dimensions | 9 × 21 × 29 cm |
| Weight | 2.1 kg (instrument only |
| Optional Accessories | GPS module, microSD card, DewLine™ heater lamp, rotary vane pump, external pump, calibration kit |
| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 202 |
| Measurement Principle | UV Absorption at 254 nm |
| Linear Range | 1.5 ppbv to 250 ppmv |
| Precision | ±1.5 ppb or ±2% of reading (whichever is greater) |
| Accuracy | ±1.5 ppb or ±2% of reading (whichever is greater) |
| Detection Limit | 3 ppb |
| Measurement Interval | 10 s (user-selectable averaging: 10 s, 1 min, 5 min, 1 hr) |
| Response Time | 20 s for 100% step change (2-point) |
| Sample Flow Rate | ~1 L/min (nominal), ≥0.6 L/min (minimum required) |
| Baseline Drift | <2 ppb/day, <5 ppb/year |
| Sensitivity Drift | <1 ppb/day, <3 ppb/year |
| Temperature & Pressure Compensation | Yes |
| Operating Temperature | 0–50 °C (–20–50 °C with optional low-temperature modification kit) |
| Operating Altitude | 0–30 km (30–1000 mbar) |
| Data Storage Capacity | 14,336 records (e.g., 1.4 days at 10-s average |
| Output Interfaces | RS-232 serial, 0–2.5 V analog, built-in LCD display |
| Dimensions | 9 × 21 × 29 cm |
| Weight | 2.1 kg (host only |
| Compliance | U.S. EPA Federal Equivalent Method (FEM) EQOA-0410-190 |
| Calibration | NIST-traceable |
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