Benchtop pH/ISE/EC/DO Meters

Portable pH/ISE/EC/DO Meters


KF Titrators

COD Analyzers

Trubidity Meters




REX Product Catalog

The catalog contains useful imformation about various models of products on sale.

pH/Ion Meter

About REX

REX is a high-techenterprise integrating R&D production, sales, application, and service.

The largest domestic electrochemical water quality analysis instrument and electrochemical sensor development and production base.



The Versatile Role of pH Combination Electrodes in Modern Analytical Chemistry


In the realm of analytical chemistry, one of the most fundamental measurements is that of pH, which indicates the acidity or alkalinity of a solution. A critical tool in this measurement is the pH combination electrode, a device that has revolutionized how we determine pH levels with precision and ease. In this article, we will explore the functionality of pH combination electrodes, their applications, and the latest advancements that enhance their performance and reliability.

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Chromium content of Chromium ores and concentrates


The REX Ti-50 Automatic Potential Titrator allows quick and simple determinations of the chromium content of chromium ores by potentiometric titration.

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The Ultimate Portable pH Meter Smart Operations for Precision On-the-Go


The portable pH meter is a versatile tool designed for accurate and convenient measurement of pH levels in various environments. With the integration of intelligent operating systems, these devices offer an array of features that enhance user experience and ensure reliable data collection and management. In this article, we will explore the key functionalities provided by smart portable pH meters, including user management, calibration management, electrode management, method management, data management, and log management.

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