Below you will find short videos demonstrating the proper procedures for monitoring water quality.  If you are using the conductivity meter labeled as "TDSTestr 3," "TDS Testr 4," "ECTestr low," or "ECTestr high" refer "low/high" videos.  If you are using the conductivity meter labeled as "ECTestr 11 Dual Range," refer to the "dual" videos.

Conductivity Meter Calibration (Dual)

Conductivity Meter Calibration (Low/High)

Measuring Conductivity and Water Temperature (Dual)

Measuring Conductivity and Water Temperature (Low/High)

Dissolved Oxygen - Part 1 - Fixing the Sample

Dissolved Oxygen - Part 2 - Titrating the Sample

Measuring pH

Collecting and Measuring E. coli Bacteria

Measuring Secchi Disk Transparency and Total Depth

Field Observations