The Thermo Fisher Scientific ORION Combination pH Electrode (Model: 911600) is a semi-micro, non-refillable electrode designed for precise pH measurements in various applications. Its compact size makes it ideal for small sample volumes, ensuring accurate readings even in challenging environments. The GX Series features a durable construction, providing reliable performance and longevity. With its advanced design, this electrode minimizes junction potential and enhances stability, making it perfect for laboratory and field use. Whether you're in research, education, or industry, this electrode is a dependable choice for your pH measurement needs.