The first portables with Memosens technology for measuring pH / ORP, conductivity and oxygen come from Knick:
Knick is the only provider of mobile, portable meters for hazardous locations. Suitable for use in industry, in the lab, for environmental protection, food processing, as well as water or waste-water treatment.
Portavo is available with graphical color display, data logger, USB port, and Li-ion battery.
The ultra-flat yet robust housing is protected against strong jets of water and fits comfortably in the hand.
The integrated sensor quiver protects the sensor against drying out.