No Need to Stir, No Membranes to Replace, No Sweat!
Make your job easier—get this Orion 5-Star pH / RDO Meter and measure dissolved oxygen, pH and conductivity with a 6m cable, RDO probe, pH probe and conductivity probe. It gives you accurate readings at depths with no stirring. You won't get bad readings from other gases. And there are no membrane to replace. The only maintenance required is a simple sensor change once a year. Probe stores wet or dry. Sensors easily handle dirty samples, so testing wastewater is a snap. Memory stores the last 10 calibrations. Orion 5-Star pH / RDO Meter includes batteries.