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.
• Compact & waterproof design fits right in your pocket so you can take it anywhere.
• Replaceable pH electrode extends the life of your tester for years.