The sensor is designed for long-lasting, accurate water quality testing results in a variety of waters.

Storage solution keeps pH probes working accurately.

This combination pH sensor and ORP sensor significantly increases sensor stability and data accuracy while minimizing ma

pH, Redox and Temperature Sensor for wastewater, drinking water and industrial effluent applications.

The electrode uses field proven flat surface, self-cleaning technology.

60-mL bottle of reference filling solution.

NIST-traceable calibration solution. Available in pH 4, 7, or 10 in various volumes.

pH/ORP Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, Zobell’s Solution

pH Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, DI Water