The HI981504 bas been designed for continuous and simultaneous monitoring of pH, TDs, and temperature. Simply install the meter above the sample to be tested, plug the instrument to the mains and immerse the probes. pH, TDS, and temperature measurements will be simultaneously displayed on the three backlit LCDs.

Range: pH 0.0 to 14.0 by 0.1

TDS: 0 to 1999 ppm by 10 ppm

Temperature -10.0 to 60.00 °C by 0.1 °C