The Rex BNC pH electrode is a well-regarded mid-grade sensor widely used in laboratory and agricultural applications. Its BNC connector interfaces directly with the FarmBlocks controller, enabling accurate, continuous pH measurement for hydroponics, aquaponics, and soil fertigation systems.

Key Features

• BNC connector — plug-and-play with FarmBlocks controller
• Improved electrode stability vs. entry-level options
• Suitable for continuous immersion in nutrient solutions
• Established brand with wide reagent and buffer support

Technical Specifications

• Measurement Range: 1.00 to 12.50 pH
• Resolution: 0.01 pH
• Accuracy: ±0.01 pH
• Operating Temperature: 0 to 60 °C
• Response Time: < 60 seconds (95% response)
• Lifespan: 2 years (with proper maintenance)
• Junction: Single junction, ceramic
• Connector Type: BNC