Horiba Checker Water Quality Meter X-51 & X-52 Pro30 Quick Start Guide

Quick Start Guide

CAL Check standards

TDS and temperature

and electrochemical dissolved oxygen

EC-2000-S (5700043022) — 9382-10D conductivity electrode

Horiba Checker Water Quality Meter X-51 & X-52 Pro30 Quick Start GuideHORIBA Checker units are reference instruments used to verify that a water quality meter is reading correctly. Rather than measuring a sample, a Checker supplies known, stable electrical signals to the meter's input so you can confirm the instrument's electronics and calibration are sound independently of any electrode, sensor or standard solution. This matters because a bad reading has two possible causes: the sensor or the meter. Substituting a