Product: TUNZE 7070/2 pH Controller
This handy inexpensive pocket measuring instrument is supplied with a universal wall holder and electrode holder along with a long-life brand glass electrode, buffer solution and 9 V battery.
The Auto Power Off function ensures a long life of the battery.
With the optional CO2 valve and power supply unit, the pH controller can be extended into a complete CO2 control station. The switched socket outlet 7075.12 can be used to switch other valves as well.