LabSen® 803 combined pH electrode for pure water

The LabSen® 803 by Apera Instruments is a high-precision pH electrode designed for pure water testing, including drinking water, distilled water, and low-ion solutions. Manufactured with Swiss sensor technology, it ensures fast, accurate, and stable pH measurements with an integrated temperature sensor for automatic compensation.

Key Features

• Swiss Patented Sensor Technology – Ensures high precision and durability.
• Designed for Pure Water pH Testing – Ideal for drinking water, distilled water, and low-ion solutions.
• LabSen L-Type Cylindrical Glass Membrane – 10x more robust than standard electrodes, with **very low resistance (
• Silver Ion Trap Reference System – Prevents contamination and electrode blockage by silver sulfide, extending lifespan.
• Movable Sleeve Diaphragm – Adjustable electrolyte infiltration rate improves accuracy in low-ion solutions.
• Patented pH/Temperature Combination Structure – Enhances temperature response time by 40%, improving stability.
• Non-Flowing Blue Gel Electrolyte – Eliminates air bubbles, ensuring consistent results.
• Fast Stabilization – Provides fully stable readings in 30–60 seconds.
• BNC & RCA Connectors – Compatible with Apera Instruments pH meters (PH850-PW, PH8500-PW, PH850, PC850, PH8500, PC8500, PH700, PH910, PC910, PH950, PC950, PH800, PC800, PH820, PC820).

Compatibility

• BNC Connector – Works with all pH meters using BNC connections. ✔ RCA (Cinch) Temperature Sensor – May not be compatible with all non-Apera meters.
• Official Replacement Electrode for PH850-PW & PH8500-PW pH meters.

Warranty

• 6-Month Manufacturer's Warranty for reliability and peace of mind.