The UDILECT 5 electrolyte analyzer uses the ion selective electrode (ISE) analysis method to check for K, Na, Cl, iCa, nCa, tCa, pH in samples of serum, plasma, cerebrospinal fluid and diluted urine. It has a test speed of 45 seconds/sample and memory storage of 5,000 test results (can be extended to more than 10,000) and comes with highly accurate and long life electrodes.