The Agasthya 2021 series Online pH Meter BI 1310 is Designed to measure and monitor the Acidity or Alkalinity of a liquid. pH Analyzer provides a numerical pH Value, Indicating the Hydrogen Ion Concentration in the liquid. It has a large sensing bulb Which increase the ability to sense hydrogen ions, and perform well in Various Application. We can provide with Optional internal NTC temperature sensor for accurate temperature compensation.