While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...
Figure 3: The Ballast-Check 2’s Activity parameter correlated with Walz Water PAM fluorometer’s Yield estimate. Samples with abundances < 5 cells/ml have been omitted from the data set in this figure.