HI 9034 Multi-range Portable TDS Meter Multiple conductivity ranges Automatic Temperature Compensation BEPS (Battery Error Prevention System) HI 9034 measures total dissolved solids (TDS) in three ranges and offers the highest accuracy when performing measurements in applications as diverse as HVAC, wastewater treatment and reverse osmosis. All three ranges can be activated at the touch of a button without having to change the conductivity probe. This ... Read More »