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

Use the Chloride Calibration Solution to calibrate chloride Ion Sensitive Electrodes (ISEs) for the Aqua TROLL 500 and A

Calibration standard for chloride Ion Sensitive Electrodes (ISEs).

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

Use to measure chloride levels in natural water, surface water, groundwater, produced water and aquaculture applications

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

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