A specialist manufacturer of pH, ORP and ion selective electrodes for industrial, field and laboratory applications and an industry leader in technical innovation, Ionode has developed many manufacturing advances including unique automated glass blowing processes and reference element fabrication. Underpinning the Ionode reliability is an automated glassblowing process which makes a variety of different pH membrane shapes including more complex styles such as spear and bullet membranes. The process uses a uniform mass of pH glass to ensure a consistent, reliable result from all Ionode products.