Application Bulletin (DO TEST)
During  the months of August and September a Model 1000 DO meter was installed in a WWTP in the southeastern US.  The meter was compared against a calibrated YSI portable.  See the test results in DO TEST.PDF.  (29KB)

Application Bulletin (TSS vs GRAB SAMPLE)
During  the month of August a Model 1500 SS meter was installed in a WWTP in Virginia for evaluation.  The meter was compared against grab samples analyzed in the lab.  See the test results in TSS vs GRAB SAMPLE.PDF.  (19KB)

Application Bulletin (DO/TSS TREND)
A Model 2000 Mixed Liquor Analyzer, with both DO and TSS sensors, was installed in a standard aeration basin  of a WWTP in South Louisiana.   The results of  the test show that a significant cost saving could be realized with better blower control.  See the test results in DO TSS TREND.PDF.  (35KB)

Application Bulletin
InsiteIG has completed a successful test of our optical dissolved oxygen system in an anaerobic selector. The site was located in the Charlotte, NC area. Typical DO levels were between .03 and .08. The system did not require calibration or maintenance during the test.