AQUASEARCHER AB33PH Bench Meter is a highly reliable and user-friendly pH benchtop meter for standard laboratory applications. The next step in the evolution of OHAUS’ original Starter Series, the all-new AQUASEARCHER AB33PH bench meter is designed to be reliable, efficient, and user-friendly..https://www.gaiascience.com.sg/productdetails/aquasearcher-ab33ph-bench-meter