pH controller (without probe) pH monitor and controller The pH controller is a precision instrument for controlling the pH value in aquaria. In combination with a CO2 system and a solenoid valve the pH can be maintained at a constant level, and the CO2 supply to aquatic plants or into a Calciumreactor can be controlled. The unit is supplied with a large LED...

Conductivity meter LF controller Conductivity monitor and controller The salt content of water can be determined by measuring the electrical conductivity. A special feature of the LF controller conductivity monitor and controller is the broad measurement and control range which is divided into 2 bands: from 0 to 2000 μS, the unit is used for monitoring...

PVC pipe grey 63mm 1m lenght