Furrow Pump stocks a large inventory and wide variety of handheld meters manufactured by Myron L for professional water analysis. The TPH1 is designed to measure pH, Conductivity/TDS and temperature. The TP1 measures Conductivity/TDS and temperature. The Techpro II series is ideal for water treatment testing as well as for other industrial and commercial applications. For your needs from Cooling Tower sample analysis to Hydroponic applications, please call and we can match you up with the best instrument for your determination needs.