Dosing pump accuracy and preventing overdosing

Expansion modules and attachments

Posts: 41
Joined: Wed Apr 27, 2011 9:08 am
PostPosted: Wed Oct 25, 2017 4:19 pm
How often would the dosing pump require calibration and how accurate are they? I was thinking about adding dosing pumps but I'm always concerned that a relay could get stuck to the on position and poof there goes the tank. Is there a separate timer or relay that I could add independent of the RA to would shut off power to the doser after a set time regardless of what the RA does?

Tim

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