Oakton pHTestr 30 w/0.01 pH Accuracy, Temperature Display & ATC (Automatic Temperature Compensation) garden-accessories Choose an SG ballast for

Choose an SG ballast for its 120V/240V capability (power cord included) or for peace of mind—the SG has been CSA certified

You won’t have to sacrifice performance for power draw

Reduced operating heat

• AC version includes 6" or 8" flanges that enable higher air flow for cooler temperatures and more reflectors in-line

scalable 4-20 mA output

Oakton pHTestr 30 w/0.01 pH Accuracy, Temperature Display & ATC (Automatic Temperature Compensation) garden-accessories Choose an SG ballast forOptimize nutrient strength during growth, flowering, and fruiting by knowing exactly what is going on with your plants. Use the Oakton pH tester with accurate ATC to get instant at a glance readings. Features Reliable waterproof, dustproof housing Replaceable electrode to provide long life and value Auto shutoff conserves battery life Large display screens Replacement sensors: OK 35624 09 for pHTestr 1 OK 35624 29 for pHTestr 2 OK 35653 01 pH 4. 0?