Choose between polarographic and Optical RDO.

InLab OptiOx™ rugged dissolved oxygen probe uses an optical measuring system to provide accurate repeatable results without stirring, eliminate warm-up time, and reduce maintenance. Polycarbonate and ABS housing with replaceable sensor cap are durable to survive rough fieldwork. Maintenance is simple—just replace the sensor cap once per year. There is no electrolyte or tricky membranes to replace.