Fertigation Series 21: Calibration of Fertilizer and Chemical Injectors

A demonstration of how to calibrate an injector and/or flow meter. The video walks you through the process of calibration, demonstrates that calibration with water may not provide proper calibration for fertilizers or chemicals. Measurement of surging chemical flow is also discussed, as well as equipment maintenance. The equipment used in this video include: Inject-O-Meter positive displacement pump Seametrics PE202 chemical flow meter Rotameter (cylinder with a float inside) Our Fertigation Book, with more detail, is available for FREE at: www.itrc.org/books/ See Chapter 3 in the book.