Sequoia
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| Brand | Sequoia |
|---|---|
| Origin | USA |
| Model | HYPER-bb |
| Spectral Range | 430–700 nm |
| Spectral Bandwidth | 9–17 nm |
| Scattering Centroid Angle | ~135° |
| Measurement Volume | ~2 mL |
| Beam Diameter | ~12 mm |
| Scan Time | 6 s (5 nm interval, 50 channels) / 15 s (10 nm interval, 27 channels) |
| Depth Rating | 600 m |
| Operating Voltage | 8–26 VDC |
| Current Draw | 750 mA @ 12 VDC |
| Communication | RS-232, 9600–115200 baud |
| Internal Storage | 1 GB |
| Temperature Range | –5 to 45 °C |
| Temp Resolution | 0.001 °C |
| Temp Accuracy | ±1 °C |
| Depth Range (seawater) | 0–600 m |
| Depth Resolution | 1 cm |
| Depth Accuracy | ±1% FS |
| Dimensions (Φ × L) | 13.4 × 51.9 cm (incl. handle) |
| Weight (air/water) | 6.0 kg / 1.2 kg |
| Optional Accessories | Calibration Tank with Stepper Motor, Profiling Frame, Lens Brush, Flow-Through Cell, Alkaline Battery Pack (12 h continuous operation) |
| Brand | Sequoia |
|---|---|
| Origin | USA |
| Model | LISST-VSF |
| Measurement Parameters | VSF (P11), Degree of Linear Polarization (DoLP, P12), Sphericity (P22), Beam Transmission, Depth, Temperature |
| Angular Range | 0.1°–15° (log-spaced, 32 channels) & 15°–150° (1° resolution) |
| Temperature Range | −5 to 50 °C (0.1 °C resolution) |
| Depth Range | 0–50 m (0.08 m resolution) |
| Beam Attenuation Coefficient | 0.1–20 m⁻¹ |
| Sampling Time per Full VSF + DoLP Set | ~4 s |
| Power Supply | 12–15 VDC, 700 mA operating |
| Data Interface | RS-232 (9600/115200 bps) |
| Internal Storage | 128 GB (≈24,000 full measurements) |
| Dimensions (Φ × L) | 12.7 × 95.7 cm (with handle) |
| Weight (air) | 13.1 kg |
| Max Operating Depth | 50 m |