Sea-Bird Scientific Device / Instrument
ac-s Spectral Absorption and Attenuation Meter
In-situ beam transmission and absorption sensor over at least 75 wavelengths, with LED source, rated to 500 m or 5000 m.
Description
The ac-s provides real-time in-situ beam transmission and absorption over a minimum of 75 wavelengths for climate modeling, ocean color validation and carbon cycling. Its LED lamp has a known 10,000 hour lifetime and improved resolution in blue wavelengths.
Key features
- Each WLED assembly undergoes a 48 hour burn-in, temperature and shock test
- Depth rating: 500m, 5000m
- Sampling: 4 scans/second
- Resolution: 4 nm
Specifications
| Wavelengths | minimum of 75 |
|---|---|
| Depth rating | 500m, 5000m |
| Sampling | 4 scans/second |
| Resolution | 4 nm |
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