This industrial-grade pH combination electrode features a sensitive glass membrane with low impedance, delivering fast response times, good thermal stability, and excellent reproducibility across the full 0–14 pH range. The Ag/AgCl gel electrolyte reference system provides a stable half-cell potential, while the ring PTFE membrane resists clogging for long-term online monitoring.

The electrode connects via a standard BNC connector and includes a 5 m cable for flexible installation. It outputs 0–5V linearly corresponding to pH 0–14 and is compatible with DFRobot Analog pH Meter boards (SEN0161, SEN0169) as a probe upgrade.

Specifications

• Measuring Range – 0–14 pH
• Measuring Precision – ≤0.02 pH
• Response Time – 10 seconds
• Drift – ≤0.02 pH / 24 hours
• Slope – ≥95%
• Equipotential Point – 7 ±0.5 pH
• Membrane Resistance – ≤200 MΩ
• Temperature Range – 0–60°C
• Connector – BNC
• Cable Length – 5 m
• Electrode Length – 177 mm (with protective cover)
• Diameter – 27.4 mm

Key Features

• Armoured Casing – Durable construction for industrial environments
• Ring PTFE Membrane – Resists clogging for long-term use
• Ag/AgCl Reference System – Stable, anti-pollution performance
• Linear Output – 0–5V across 0–14 pH range
• Low Impedance Glass Membrane – Minimal alkali error

Ideal For

• Industrial wastewater and sewage pH monitoring
• Printing and circuit board factory effluent testing
• Long-term online pH detection
• Upgrading DFRobot pH meter kits (SEN0161, SEN0169)

Package Contents

• 1× H-101 pH Electrode
• 1× pH Electrode Manual

Resources

• Product Wiki