Description
InLab Versatile Pro is a combined pH electrode developed for accurate measurements across diverse sample types. The sensor uses a robust polysulfone shaft of 12 mm diameter and 120 mm length and includes a 1,2 m fixed cable with BNC connector for convenient instrument coupling. An exchangeable ceramic diaphragm, ARGENTHAL™ reference with silver-ion barrier and an integrated NTC 30 kΩ temperature sensor support precise, temperature-compensated readings. The pH range is 0 to 14 and the temperature range extends from 0 to 100 °C. Delivered as a single unit with a net weight of 0,22 kg, this electrode from manufacturer Mettler-Toledo OnLine addresses laboratories that need flexibility when working with varying sample matrices. The silver-ion barrier helps protect the reference system against contamination, while the replaceable ceramic junction facilitates maintenance when samples tend to clog conventional diaphragms. Integrated temperature sensing streamlines automatic compensation on compatible meters, making the Versatile Pro a practical choice for multi-sample workflows in research, quality control and general analytical practice where both accuracy and serviceability matter.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
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Questions about pH electrode InLab Versatile Pro
What is this article?
pH electrode InLab Versatile Pro is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in pH electrodes & sensors, inside pH & electrochemistry, in Lab instruments.
A pH electrode is a glass membrane and a reference. It is a consumable: the glass ages, the junction clogs, and the reading drifts. A refillable electrode and a gel electrode differ in how they are maintained. The connector has to match the meter. The electrode, not the meter, is usually what is wrong.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
Which category should I open next?
The category is pH & electrochemistry. The sub-category is pH electrodes & sensors. The catalogue is Lab instruments.
Shelves beside this one are pH meters, Conductivity meters & cells, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

