Description
HI70024P Salinity Calibration Solution 35 ppt (25 x 20mL) Hanna Instruments 759245593500 Dual Measurement: Measures both EC This means fewer filter 50046 Milwaukee MA882 Dual Measurement: Measures both EC (0 1990 µS cm) and TDS (0 995 ppm) with the push of a button The Milwaukee MC311 PRO Conductivity (EC) Controller automatically monitors and adjusts EC levels 24 7 — set your parameters and let it do the work