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| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | 306 |
| Instrument Type | Portable |
| Ozone Concentration Range | 0 ppbv and 30–1,000 ppbv |
| Limit of Detection | 0 ppbv |
| Response Time | ≤10 s (to 95% of step change) |
| Zero Drift | ±2 ppb/24 h |
| Resolution | 1 ppb |
| Output Flow Rate | 2.5 L/min |
| NIST-Traceable Calibration | Yes |
| Brand | 2B Technologies |
|---|---|
| Origin | USA |
| Model | Model 405 nm |
| Detection Principle | Direct UV-Vis Absorption at 405 nm |
| Measurement Range (NO₂) | 2 ppb – 10 ppm |
| Measurement Range (NO & NOₓ) | 2 ppb – 2 ppm |
| Resolution | 0.1 ppb |
| Accuracy | ±2 ppb or ±2% of reading |
| LOD (2σ) | 4.0 ppb |
| Flow Rate | ~3 L/min |
| Response Time (100% step) | 20 s (10-s averaging) |
| Operating Temperature | 10–50 °C |
| Power | 11–14 VDC or 120/240 VAC, 24 W |
| Dimensions | 43 × 37 × 14 cm |
| Weight | 8.5 kg |
| Data Outputs | USB, RS-232, 0–2.5 V analog, optional 4–20 mA |
| Internal Memory | 16,333 records |
| DewLine™ Humidity Compensation | Yes |
| Pump Lifetime | 20,000 hours |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FD125 |
| Price Range | USD 7,000–14,000 (FOB) |
| Sampling Method | Passive Collection |
| Measurement Range | 0–10 Bq/m³ |
| Minimum Detectable Concentration | 0.01 Bq/m³ |
| Response Time | 300 s |
| Detector Background | ≤100 counts/s |
| Sensitivity Accuracy | ±10% |
| Operating Temperature | 0–45 °C |
| Relative Humidity Limit | ≤95% RH |
| Power Supply | +9–10 V DC for amplifier |
| Weight | 16 kg (excluding scaler unit) |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5661 |
| Pricing | Upon Request |
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