Thermo Scientific Orion® Micro pH Electrode 0 to 14 pH. Designed for piercing septa. Micro combination pH electrode with needle tip. 16 gauge stainless steel bevel tip. Includes: 60mL bottle of electrode filling solution, 900011. Cable length: 1 m. pH range: 0 to 14. pH precision: 0.02. Temperature range: 0 to 80°C. Dimensions: 137 x 7.6 mm. Tip diameter: 1.7 mm. Approximate tip length: 40mm. Depth of immersion: 3mm. Slope: 90 to 102%. Junction: ceramic. Type reference: Ag/AgCl. Fill solution: 4M KCl with Ag/AgCl. Per each. Thermo Scientific Orion® #: 9863BN.