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north central Ohio | I pulled the product controller off my sprayer to use on an unverferth nutrient applicator for side dressing 28%. Need help with settings for the pwm valve and meter cal. I want it to display in # of applied n and on the meter cal it says (pulses/10 lb n). So if our mix contains 2.6875#/gallon do I divide 10 by 2.6875 and multiply my meter cal by by this. Meter cal is 1459. Gives me 5428. Second thing the book gives max and min pwm settings and the pwm frequency but I can not find a val cal setting. Monitor won’t engage without one. Can’t find one on the pump or in the book. The default in the controller is 43. If someone has same system and wouldn’t mind sharing their values it would be appreciated. Thanks Greg
Edited by pigfarmer82 4/6/2026 11:05
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Setting up unverferth nutrient applicator with raven product controler?
