The S223CD is a high-quality pH sensor manufactured by Sensorex, a leader in laboratory sensor technology. This sensor is designed to accurately measure pH in liquids, aqueous solutions, and laboratory samples. The sensor is made of high-quality polymer and is equipped with a DIN S7 cap for easy installation. It measures 12mm in diameter and is equipped with a pH probe for precise and reliable measurements. The S223CD is ideal for laboratory use and is suitable for even the most demanding pH measurement applications