Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization meters-&-solutions LAMP DESCRIPTION: SM

LAMP DESCRIPTION: SM

The mat at the start of the chain must be an MTMDU

Please note that this item is special order

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Hanna Industrial Grade pH/TDS Controller w/Proportional Control of Fertilization meters-&-solutions LAMP DESCRIPTION: SMAdd this 2 in 1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics to your growroom. The product measures pH from 0 to 14 and TDS from 0 to 1999 mg L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg L). The relays are activated when the pH exceeds the set point or TDS falls below the desired value. Two pumps or electrovalves can be wired directly to the controller and be