Centre County Pennsylvania Senior Environmental Corps

CCPaSEC uses several YSI Model 550A Dissolved Oxygen meters in monthly water testing.  The video below describes the care and use of a Model 550A YSI DO meter.  Runtime: 34 min. 7 sec.  Video features Dan DeLotto © CCPaSEC & Loretta Jeffreys. 2011-2016

Topics to be covered*:

1. Adjusting the Strap (at 1:47 min.)
2. Attaching the Probe Holder (at 4:39 min.)
3. Installing the Batteries (at 9:42 min.)
4. Preparing the Probe (at 12:09 min.)
5. Calibrating the Meter (at 19:51 min.)
6. Testing the Water (at 28:08 min.)
7. Protecting the Meter (at 30:57 min.)

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