Campbell-scientific OBS-5+ Sediment Concentration Monitor and Pressure Manual de usuario Pagina 28

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OBS-5+ System
7. Calibration
7.1 Sediment and NTU Calibration
In addition to the concentration, the size, shape, and reflectivity of suspended
sediment particles vary from one location to another and will influence OBS-
5+ measurements. When these sediment characteristics change, they will
produce apparent changes in SSC by themselves unless sediment calibrations
are performed. All sediments produce a unique set of calibration curves like
the examples shown in FIGURE 4-4. The sediment calibration procedure is
complicated, and for a modest fee, we will calibrate an OBS-5+ sensor with
your sediment. Call for a quotation to perform this service.
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