A pH meter is used to measure the acidity or alkalinity of solutions. It is widely used in chemistry, biochemistry, and environmental laboratories. This equipment is used during solution preparation and quality testing. It is essential when accurate pH control is required. pH meters are commonly found in medical colleges and diagnostic labs. They are used during routine analysis and research work. Accurate pH measurement ensures reliable test results. It is also used in water and buffer testing. The device supports standard laboratory protocols. pH meters are vital for laboratory accuracy.