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 (<50MΩ) for fast and stable readings.
✔ 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.