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| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-7900M |
| Measurement Principle | Transit-time ultrasonic velocity sensing |
| Accuracy | ≤ ±1.5% F.S. |
| Pipe Diameter Range | ≥ 0.3 m |
| Velocity Range | 0–40 m/s |
| Temperature Range (Flue Gas) | −20 to 480 °C |
| Pressure Range (Flue Gas) | −10 to +10 kPa |
| Output Signals | 4–20 mA, RS-485 |
| Enclosure Rating | IP65 |
| Power Supply (Main Unit) | AC 220 V ±10%, 50/60 Hz |
| Blower Power | AC 220 V ±10%, 50/60 Hz, 280 W |
| Weight | 28 kg |
| Channel Configuration | Single-channel (optional dual- or quad-channel) |
| Media Compatibility | Non-flammable gases (e.g., flue gas, air) |
| Minimum Detectable Velocity | 0.1 m/s |
| Materials | Corrosion-resistant alloys for wetted components |
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