Thermo Scientific Orion® Micro pH Electrode 0 to 14 pH. Micro pH electrode is a long length glass combination electrode designed for NMR cells. Long length glass combination electrode is meant for accurate measurement of pH in NMR cells. Ideal for measurements in extremely small vessels. Environmentally safe, mercury free. Includes: Thermo Scientific Orion® electrode fill solution, 900011. Material: Long length glass. Cable length: 1m. pH range: 0 to 14. pH precision: 0.02. Temperature range: 0 to 80°C. Dimensions: 288 x 6mm. Tip diameter: 2.5mm. Approximate tip length: 2.5mm. Depth of immersion: 2mm. Junction: ceramic. Type reference: Ag/AgCl. Fill solution: 4M KCl with Ag/AgCl, Thermo Scientific Orion® 900011. Per each. Thermo Scientific Orion® #: 9826BN.