Double Junction pH Electrode Milwaukee Instruments MA911B/2 2 m Cable

Description

Product Overview

The Milwaukee Instruments MA911B/2 Double Junction pH Electrode is engineered for high‑precision pH monitoring across a wide range of applications. Its double‑junction design isolates the reference chamber from the sample, minimizing contamination and drift, which is essential for accurate long‑term measurements. The electrode incorporates a gel‑filled electrolyte solution that maintains consistent conductivity, even in harsh environments, reducing the need for frequent maintenance.

Constructed with a durable housing and a flexible 2 m cable, the electrode can withstand the rigors of field work while providing the convenience of extended reach. The cable is shielded to protect against electrical noise, ensuring stable signal transmission to the meter. The overall dimensions of the unit—approximately 9.65 × 1.93 × 1.93 inches—make it compact enough for handheld use yet robust enough for industrial settings.

Key specifications include a temperature range of 0 °C to 50 °C, a response time of less than 30 seconds, and a storage life of up to six months when kept in the supplied storage solution. The electrode is calibrated using standard buffer solutions, and its performance is verified by a 4.4‑star rating from over 180 verified customer reviews, reflecting its reliability and accuracy.

Milwaukee Instruments, a trusted name in analytical instrumentation, ensures that each electrode meets strict quality standards. The MA911B/2 model is part of a broader portfolio of substance analysis tools, and it integrates seamlessly with existing measurement systems, making it a versatile addition to any laboratory or field kit.

Beyond its technical attributes, the electrode offers user‑friendly features such as a quick‑connect fitting for easy replacement and a clear labeling system that identifies the model and calibration date. This reduces setup time and helps maintain traceability in regulated environments.

Overall, the MA911B/2 Double Junction pH Electrode combines durability, precision, and ease of use, delivering consistent performance for water quality testing, chemical analysis, and environmental monitoring.

Usage

In laboratory settings, the electrode is ideal for monitoring pH in buffer solutions, reagents, and process streams. Its stable response and low drift make it suitable for routine calibration of pH meters and for conducting precise analytical experiments where pH control is critical.

Field technicians benefit from the 2 m cable, which allows measurements in hard‑to‑reach locations without moving the meter. Whether testing river water, groundwater, or industrial effluents, the electrode provides reliable data that supports compliance with environmental regulations.

In industrial process control, the electrode can be integrated into automated systems to continuously monitor pH levels in reactors, fermentation tanks, and wastewater treatment plants. Its robust construction ensures longevity even when exposed to corrosive chemicals or fluctuating temperatures.

For educational purposes, the MA911B/2 serves as a teaching tool in chemistry and environmental science courses, demonstrating the principles of electrochemical sensing and the importance of accurate pH measurement in scientific investigations.

Why Choose Us

Milwaukee Instruments stands behind every product with a comprehensive warranty and responsive technical support. Customers receive access to a dedicated service team that can assist with calibration, troubleshooting, and replacement parts, ensuring minimal downtime.

Our commitment to quality is reflected in the rigorous testing each electrode undergoes before shipment. We employ calibrated reference standards and environmental stress testing to verify performance under real‑world conditions, giving users confidence in the data they collect.

Choosing the MA911B/2 means investing in a solution that balances cost‑effectiveness with high performance. The electrode’s long storage life and low maintenance requirements reduce total cost of ownership compared to competing models that require more frequent replacement.

Furthermore, Milwaukee Instruments provides detailed documentation, including user manuals, calibration guides, and safety data sheets, all designed to help users achieve optimal results quickly and safely.

Key Features

• Double‑junction design minimizes reference drift for accurate long‑term pH readings.
• Gel‑filled electrolyte ensures stable conductivity and reduces maintenance frequency.
• Durable 2 m shielded cable provides flexibility and reliable signal transmission in field conditions.
• Compact housing fits handheld meters while withstanding industrial‑grade temperature and chemical exposure.
• Comprehensive after‑sales support, warranty, and detailed documentation for seamless integration.

FAQ

What is a double‑junction pH electrode and why is it beneficial?

A double‑junction electrode contains two reference chambers separated by a porous barrier. This design isolates the internal reference solution from the sample, reducing contamination and drift caused by sample ions. The result is more stable and accurate pH measurements, especially in complex or aggressive media.

How often should the electrode be calibrated?

For best performance, calibrate the electrode at least once a week when used regularly, or before each critical measurement session. Use standard buffer solutions at pH 4, 7, and 10 to verify accuracy across the typical measurement range. Record calibration dates to maintain traceability.

Can the electrode be used for temperature‑compensated measurements?

Yes. The MA911B/2 works with pH meters that have built‑in temperature compensation. The electrode’s temperature range of 0 °C to 50 °C aligns with most laboratory and field instruments, allowing accurate pH readings that account for temperature variations.

What maintenance is required to extend the electrode’s lifespan?

Store the electrode in the supplied storage solution when not in use to keep the electrolyte saturated. Rinse the sensor with distilled water after each use, especially after measuring corrosive or high‑ionic‑strength samples. Periodically check the cable for wear and replace if damage is observed.

Is the electrode compatible with all pH meters?

The MA911B/2 features a standard BNC connector that fits most modern pH meters and data loggers. Verify the connector type on your meter; adapters are available if needed. The electrode’s robust construction makes it suitable for both handheld and benchtop instruments.