Sentinel GPS CPPM-4i Fuzzy Logic CO2 Controller Tubings & Drippers The meter’s probe measures 5

The meter’s probe measures 5

This software can also data-log or chart a grow room's environmental conditions

and vegetables

Suitable for MH or HPS lamps ranging from 400 - 750 watts

Very low air resistance

Sentinel GPS CPPM-4i Fuzzy Logic CO2 Controller Tubings & Drippers The meter’s probe measures 5The CPPM 4i features Sentinel Intelligent CO2 Enrichment (S. I. C. E.) which allows interfaced CO2 enrichment with Sentinel ICG series generators for unparalleled control (Patents Pending). Sentinel True Fuzzy Logic gives the most precise compressed CO2 regulator enrichment available. Large, pixelated LCD display makes user programming intuitive and simplified. Time Clock control provides greater user flexibility and control vs. older photocell