Benchtop or portable instruments that use an ion-selective electrode to measure the specific ionic concentration of an aqueous solution; used in chemical analysis and research; membranes may be glass, crystalline, ion-exchange resins or enzymes.
The WTW™ ProfiLine™ pH/ION 3310 is a precise, portable pH/mV/ISE pocket meter with lit background graphic display and manual memory for safe and convenient measurements.