The C.A.P. PPM-3 is the easiest and most affordable CO2 Monitor and Controller available today… Its’ proven technology is very accurate at measuring levels of carbon dioxide in your grow room from 0 to 5000 ppm (Parts-Per-Million).
It’s easy! Just plug your CO2 device (CO2 valve or generator) into the “piggyback” cord and it will automatically maintain the CO2 level that you specify.
Perfect for economically controlling LP or natural gas generators with PPM accuracy. Works with any make of CO2 valve or generator that is 120 volt.
Includes a 5-year manufacturer’s no hassle warranty. Made in the USA.
• A CO2 monitoring device and a CO2 PPM controller in ONE!
• Controls Carbon Dioxide levels with parts per million (PPM) accuracy
• Least expensive CO2/ PPM controller in its class!
• Selectable set point from 0-5000 PPM
• Controls any 120V valve or CO2 generator with a simple “piggy-back” cord
Instruction Manual (PDF)