The SG201R-Reference is a high-quality reference electrode designed for laboratory use. Manufactured by Sensorex, this electrode is made of glass and measures 12 mm in diameter. It is rechargeable and offers high precision in pH measurements. The SG201R-Reference is ideal for use in chemistry, biology, and scientific research applications. It is easy to use and maintain, making it a practical choice for laboratories. With the SG201R-Reference, you can be sure to accurately measure the pH of your samples
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