Hanna pH Electrode

Introduction

The Hanna pH Electrode Refillable pH Electrode is a high-precision, general-purpose electrode designed for accurate and consistent pH measurements in laboratory, industrial, and educational environments. Built with a durable glass body and Ag/AgCl reference system, it ensures superior stability and long-term reliability. Its refillable design allows users to maintain performance by replenishing the electrolyte solution, while the spherical glass tip provides rapid response and excellent contact with samples. Compatible with most pH meters via a standard BNC connector, the HI1131B is an essential tool for dependable and repeatable pH testing across a wide range of applications.

Features

1. Refillable Design: This electrode has a refillable reference solution, which helps maintain the electrode’s performance over time. Refilling the junction with the proper electrolyte solution ensures consistent and accurate measurements.
2. General Purpose Use: The Hanna pH Electrode is commonly used for general laboratory, educational, and industrial applications. It is suitable for testing a wide range of solutions and samples.
3. Glass Body: It typically features a durable glass body with a built-in junction for proper electrolyte flow, helping to maintain consistent readings.
4. Ag/AgCl Reference: The electrode uses an Ag/AgCl (silver/silver chloride) reference system, which is commonly found in pH electrodes due to its stability and reliability.
5. High-Temperature Glass Formulation: It is designed to operate within a certain temperature range (usually around 0°C to 80°C), making it versatile for various environments.
6. Compatibility: This pH electrode is compatible with most pH meters, especially those made by Hanna Instruments.
7. BNC Connector: The HI1131B uses a BNC connector. BNC connectors allow for quick and easy connection to any pH/ORP meter or transmitter.
8. Spherical Glass Tip: The spherical-shaped tip design allows for a wider area of contact with the sample for faster measurement, making it ideal for general laboratory use.
9. Maintenance: Proper maintenance of the electrode, including regular refilling and cleaning, is essential for long-term accuracy and performance.

Specification

• Junction/Flow Rate: ceramic, single / 15-20 µL/h
• Electrolyte: KCl 3.5M
• Max Pressure: 0.1 bar
• Range: pH: 0 to 13
• Recommended Operating Temp.: 0 to 100°C (68 to 104°F)
• Tip/Shape: spheric (dia: 9.5 mm)
• Temperature Sensor: No
• Amplifier: No
• Body Material: glass
• Cable: coaxial; 1 m (3.3’)
• Connection: BNC

Why Choose pH Electrode

Choose the Hanna pH Electrode for its precision, reliability, and versatility. Designed for general-purpose laboratory and industrial use. It features a durable glass body and a stable Ag/AgCl reference system that delivers consistent, reproducible results. The refillable design extends electrode lifespan and ensures measurement accuracy by maintaining optimal electrolyte levels. Its high-temperature glass formulation allows operation from 0°C to 100°C, providing flexibility across diverse testing environments. The spherical glass tip enables fast, accurate readings with excellent sample contact, while the universal BNC connector ensures compatibility with most pH meters. Ideal for professionals who demand dependable performance, the HI1131B combines easy maintenance, superior sensitivity, and long-lasting durability for everyday analytical needs.