High accuracy TDS/conductivity/pH/salinity/temperature meter for sale online. 5 in 1 digital water quality tester is equipped with an automatic temper..
Low price multifunction water quality tester comes with high-precision optical graduation sensor, large high-definition screen, external dissolved oxy..
Low price portable dissolved oxygen meter is suitable for measuring DO in fresh water and seawater within the range of 0.0~30.0 mg/L. This digital DO ..
FeaturesHigh resolution, high measurement precision and speed.High brightness backlight and high-definition digital display, easy for reading.Integrat..