Product: TUNZE 7074/2 pH/CO2 Controller Set
Consisting of pH controller 7070/2 and CO2 valve set 7074.11 with power supply unit 5012.01. The 12 Volt valve is nickel-plated and protected against corrosion.
The adjustable time-interval meter permits the gentle distribution of CO2, preventing excessive doses.
The control station operates on safety extra-low voltage.