LabSen® 211 Professional Glass Combination pH Electrode for regular water solutions in scientific research and quality control, TRIS buffer compatible, BNC Connector Proprietary pH sensor technology and materials from Switzerland Unique LabSen blue hemisp (1 per EA )
LabSen® 211 Professional Glass Combination pH Electrode for regular water solutions in scientific research and quality control, TRIS buffer compatible, BNC Connector Proprietary pH sensor technology and materials from Switzerland Unique LabSen blue hemisp