The Apera Instruments SX811-BS portable meat pH meter is a perfect combination of the most advanced digital processing technology, software design, and electrochemical sensor technology, specially designed for the pH measurement of meat, meat products, fish, and beef. Its Swiss LabSen spear electrode adopts durable food grade stainless steel sheath, solid electrolyte, and long-life reference electrode, making the probe hard to be contaminated and maintenance-free.