A laboratory pH sensor measures the acidity or alkalinity of a sample, whether in the lab or the field. METTLER TOLEDO provides high-quality pH electrodes and probes designed for accurate readings across various industries, including pharmaceuticals, biotechnology, food and beverage, and chemicals.
The extensive portfolio features options with built-in temperature probes, low-maintenance designs, and Intelligent Sensor Management (ISM®) technology, which enhances data security and simplifies handling.
pH Electrode InLab Reach Pt1000-225
A glass-body, combination pH electrode with integrated Pt1000 temperature probe, MultiPinTM head and 225 mm long shaft for general application.
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- Measuring rangepH 0 – 14
- Temperature Range0 °C – 100 °C
- Type of junctionCeramic
pH Sensor InLab® Power
A glass-body, combination pH electrode with SteadyForceTM and S7 screw head for general laboratory applications; highly reproducible, maintenance-free and autoclavable.
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- Measuring rangepH 0 – 12
- Temperature Range0 °C – 130 °C
- Type of junctionCeramic
- Optional ISM Intelligent Sensor which stores important data and transfers it directly into the meter
pH Sensor InLab® Cool
A glass-body, combination pH electrode with integrated temperature sensor, MultiPinTM head and optional ISM. Designed for cold samples.
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- Measuring rangepH 1 – 11
- Temperature Range-30 °C – 80 °C
- Type of junctionImmovable glass sleeve
- Optional ISM Intelligent Sensor which stores important data and transfers it directly into the meter
Advantages of METTLER TOLEDO's Laboratory pH Sensors
Find the Lab pH Sensor Easily
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Accurate and reproducible pH results start with a high-quality pH sensor tailored to specific lab or field applications. METTLER TOLEDO offers the ideal lab pH probe to meet user's needs, whether for routine measurements or specialized use in the chemical, pharmaceutical, life science, or food and beverage industries.
Get Trustworthy Results
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Sensor readings must be fast, accurate, and reproducible. By combining high-quality materials with proven technologies—such as specialized reference systems and optimized glass membrane design—the lab pH electrodes are engineered to meet the specific demands of the application. Additionally, pH sensors with integrated temperature probes ensure precise temperature compensation for reliable results.
Built to Last
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The lab pH sensors deliver high performance and designed for durability, with carefully selected materials and technologies that extend their lifespan. METTLER TOLEDO offers specialized shaft materials that ensure long-term reliability, even in demanding environments near production lines.
Simplify Sensor Care and Setup
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The low-maintenance sensors are always ready for use, thanks to their gel or solid reference systems that eliminate the need for refilling. Lab pH sensors with an adjustable sleeve junction allow easy and thorough cleaning. The Intelligent Sensor Management (ISM®) system enables quick and effortless setup, as the meters automatically detect the connected pH electrode.
Ensure Safe and Accurate Results
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With Intelligent Sensor Management (ISM®) technology, a pH meter automatically recognizes the connected probe and utilizes the latest stored calibration data. This guarantees safe, accurate, and traceable results. All the lab and field pH sensors are supplied with a certificate of analysis.
A Long Tradition of Precision
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Since 1948, METTLER TOLEDO has built extensive expertise in delivering precision sensors and high-quality solutions for laboratory and field applications. The company’s first major success came with the combination glass pH electrode invented by Dr. Werner Ingold. His groundbreaking design continues to simplify pH measurement worldwide.
A Complete System Provider
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METTLER TOLEDO offers comprehensive electrochemistry solutions, including meters, sensors, calibration solutions, and software. Take advantage of Intelligent Sensor Management (ISM®) technology for enhanced data compliance and automatic temperature compensation for precise, reliable results.