A pH Meter (Pen Type), Imported is a compact and portable digital instrument designed for quick and accurate measurement of the pH value of liquids. It is widely used in laboratories, water testing, aquariums, swimming pools, food processing, agriculture, and educational institutions The meter features a pen-style design that makes it easy to carry and operate with one hand. It is equipped with a high-precision electrode sensor that provides fast and reliable readings of acidity or alkalinity in solutions. The device includes a clear digital LCD display for easy reading of pH values.The pH meter is typically battery operated and supports simple calibration using standard buffer solutions