The Extech PH220-C is a portable and reliable pH meter designed for accurate and convenient pH measurements in various applications. This handheld instrument combines accuracy, ease of use, and essential features to provide precise pH readings for professionals in industries such as agriculture, environmental monitoring, hydroponics, and water quality testing.The Extech PH220-C features a pH electrode with a replaceable sensor, ensuring long-term usability and cost-effectiveness. It utilizes a glass electrode that provides accurate and stable pH measurements. The pH meter is typically calibrated using buffer solutions to ensure accuracy and calibration adjustment for different testing conditions.The pH meter offers a wide pH measurement range, allowing users to assess acidity or alkalinity levels in liquids. It typically includes automatic temperature compensation (ATC) to account for temperature variations, ensuring accurate pH readings in different environments.The Extech PH220-C may offer additional features such as a large and easy-to-read LCD display that shows pH readings, as well as temperature readings if the meter includes a built-in temperature sensor. It may also include a data hold function for freezing the measurement reading, automatic shut-off to preserve battery life, and a sturdy and ergonomic design for comfortable handheld use.Designed for portability and versatility, the Extech PH220-C is typically battery-powered, allowing for on-the-go pH testing in various locations. It is a reliable and user-friendly tool for professionals who require accurate pH measurements for quality control, research, or routine testing