ETgage Evapotranspiration Simulators

Model A - as easy to read as a rain gauge

Model E - electronic pulse output

Model A Description, single sheet (pdf)
Model A Operating Instructions (pdf)
Model E Description, single sheet (pdf)
Model E Manual, Complete (pdf)
Model E circuit diagram (pdf)
Models A and E Diffusion Covers (pdf)
Irrigation Management Information
Complete Model A Manual (pdf)

Logger information for Model E

APPLICATIONS:
Colorado State University Agronomy News (.html)
Colorado State University Agronomy News (pdf)

CSU Extension - Irrigation Scheduling:
The Water Balance Approach (html)