Kl-139 Water Quality TDS Meter Shenzhen Handsome Technology Co., Ltd. Base Info Model NO.:KL-139Measuring Range:0-1999 Ppm(Mg,L)Resolution:1 Ppm(Mg,LAccuracy:± 2%F. SOperating Temperature:0° C- 50° CEnvironment: Humidity:≤ 95%Trademark:NeutralOrigin:China Description Pre:DDS-17 Bench-Top Conductivity Meter with 0~1.999X105us/cm Measuring Range Next:Roller Ovens Water-Based Drilling Fluids and Components (Model RCRO-2)