Pro Leaf PPM-B1 C02 controller

Pro Leaf
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The Pro-Leaf PPM-B1 digital CO² controller, provides simple and precise control of a 240 Volt CO² generating device with modes for both increasing and decreasing CO².

Also featuring fuzzy logic operation which offers additional accuracy when utilizing CO² supplementation.
Adjustable set points range from 400-2000 parts per million with an accuracy of +/-100 PPM and an adjustable deadband.

A remote sensor with 4.5 m cable, accurately monitors the garden’s PPM levels and relays this information to the controller for display in real-time. An integrated photocell allows for day, night, or continuous operation and the unit records maximum and minimum values for later viewing.