Testo 0650 0245 Type 1 pH food electrode without temperature sensor. Robust and dirt-insensitive pH penetration electrode with hole diaphragm. Unbreakable plastic coating around glass electrode. Maintenance-free food-safe gel electrolyte. Includes immersion cap. Connection: fixed cable with BNC. Temperature range: 0 to 40 degree C. Measuring range: 2 to 14 pH. Measures 6.5mm diameter by 95mm length.