Ideal for water treatment testing as well as other industrial and commercial applications. The TechPro II is handheld, lightweight and simple to operate. Measuring conductivity, TDS, pH and temperature, the highly stable circuitry delivers the accurate readings needed to assure product quality, prevent equipment damage or verify in-line instrumentation in a wide range of applications. The TPH1 is designed with an internal pH sensor to prevent breakage and prolong the sensor’s useful life.