Intro to Drip Irrigation System Inspections Dec 18, 2020 | Online On-Demand Class This 2-hour class will provide you with a solid overview of drip irrigation systems including basic operation and inspection. This course DOES NOT result in PSMA Drip Inspection Certification. (Worth 2 PSMA SR1 CEUs.) Member Price: $49.99. Register To access this post, you must be a PSMA member. Please join or login.