Conductivity vs. TDS Readings and Calibration

While similar in some ways, there is not a directly proportional relationship between Conductivity and TDS. Conductivity is a measurement that represents how much resistance the solution has. TDS on the other hand, is a measurement of the dissolved solids that are present in the solution. Conductivity is just a straight resistance reading where TDS…

3 Tips for Using Your 90XL Technician Meter

The 90XL is a state-of-the-art, portable, multifunction meter designed to measure the conductivity, pH, temperature and pressure of the dialysate fluids from hemodialysis delivery systems and of the water used in hemodialysis clinics. Below are some convenient tips to consider regarding the use of the 90XL: If the display does not automatically turn on after…