
Glass Shell Online pH Electrode pH Sensor for Drinking Water. Durable Glass Shell Design: Blue low impedance hemispherical glass head with high strength and break resistance. Stable Double Salt Bridge: Ceramic porous sand core ensures smooth response, no potential drift, and good stability. Long Service Life: Ag/AgCl reference electrode with saturated KCL and excess crystals for extended durability. Wide Application Scope: Suitable for environmental protection, water conservancy, biopharmaceutical, and chemical fields. ISO9001 Certified Quality: Manufactured under ISO9001:2015 management system with 100% finished product inspection. Professional Manufacturer: Integrated development and production with 4 R&D engineers and 9 years export experience. Flexible Customization: Supports full customization, minor customization, and customization from samples or designs. 1-Year Warranty Coverage: Comprehensive 1-year warranty provided for all products to ensure customer confidence.