Lab and Testing
Course Pack: Field Testing & Instrumentation
DO Testing Apparatus
Course Description
This dissolved oxygen testing module presents a full lifecycle approach to DO testing equipment, covering selection, operation, care, verification, and maintenance practices required for accurate measurements. Learners explore error-prevention techniques, membrane and cap management, calibration readiness, and verification procedures appropriate to various dissolved oxygen testing methods, helping ensure reliable results and effective process monitoring.
Learning Objectives
1) Describe the five-step lifecycle for testing equipment management
2) Apply best practices for DO measurement accuracy and repeatability
2) Perform routine care and storage steps to prevent probe and reagent issues
4) Verify instrument performance using checks appropriate to the method
5) Create a maintenance plan that supports reliable operations and reporting
Agenda
1) Equipment lifecycle overview: selection → use → care → verification → maintenance
2) DO measurement methods and common sources of error
3) Care routines: cleaning, membrane/cap checks, calibration readiness
4) Verification: checks, cross-checks, and documentation
5) Maintenance scheduling and troubleshooting workflow
Target audience
Operators responsible for DO monitoring and equipment management in water and wastewater treatment processes.
Level
I, II
Learning material and method
Online on-demand
Assessment
Knowledge check and quiz (80% correct and above)
Instructor
Mike Harrington