YSI definition
Examples of YSI in a sentence
A zero check in distilled water was performed with the turbidity probe of YSI 6820 once per monitoring day.
See YSI ProPlus SOP for details on QA/QC requirements and associated reagents needed.
The YSI 556 is the primary instrument used to measure in situ water quality parameters.
As described in the SOPs for the YSI 556 and YSI ProPlus, the instrument must be calibrated and pass pre-run accuracy checks prior to use in the field.
The YSI ProPlus can be used as a back-up if the YSI 556 is unavailable or requires maintenance or repair.
YSI 556 must meet all pre-run QA/QC requirements prior to use for collection of water quality parameters in the field.
The YSI ProPlus must meet all pre-run QA/QC requirements prior to use for collection of water quality parameters in the field.
The YSI 556 (or YSI ProPlus, if used as a backup) is lowered to slightly above the bottom of the waterbody, or as low as feasible.
Parameters measured using a water quality monitoring sonde (i.e., the YSI 556 or YSI ProPlus) are calibrated and verified against National Institute of Standards and Technology traceable standards.
Surface water level/depth can be measured using the Secchi disk, the water sampling wand, YSI 556, or the boat depth sounder.