The low range Combo® pH, EC, TDS (ppm) and temperature meter is one of Hanna's most popular meters. The waterproof design, simple operation, and replaceable electrode mean that you can rely on this meter for years. The HI98129 is designed for low range use (0 to 3999 ¬µS/cm or 0-2000 ppm). Choose the HI98130 for the high range model.
