Description
LE420 pH electrode with glass shaft and ground joint diaphragm is a laboratory pH sensing electrode designed for routine and specialized pH measurements. The glass shaft construction supports chemical resistance in typical aqueous media, while the ground joint diaphragm provides a defined liquid junction for stable potential readings during titration and sample analysis. Supplied as a single piece with a net weight of 0,067 kg and a gross weight of 0,141 kg, the electrode fits standard laboratory workflows where reliable junction performance matters. This model from manufacturer Mettler-Toledo OnLine belongs to the pH electrode category used alongside conductivity and oxygen sensors in analytical setups. The ground joint diaphragm design is particularly suited to applications that benefit from a renewable junction interface, helping maintain measurement consistency when samples vary in composition. Laboratories can integrate the LE420 into existing pH meter systems for quality control, research, and process monitoring tasks that require a glass-bodied electrode with a classic ground joint configuration.
This article is part of Stirring shafts, propellers & impellers, in Stirring, shaking & mixing.
Key features
- Pack size: 1 pc
- Electrode type: pH electrode
- Shaft material: Glass
- Diaphragm: Ground joint diaphragm
- Technical Information Sheet:
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Questions about pH electrode LE420
What is this article?
pH electrode LE420 is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in Stirring shafts, propellers & impellers, inside Stirring, shaking & mixing, in Instruments de précision.
A shaft, a propeller or an impeller is the wetted end of an overhead stirrer. The diameter and the pitch decide whether the liquid turns over. The material, stainless steel or PTFE, decides what the liquid may be. The chuck size has to match the stirrer.
Stirring keeps a mixture uniform or helps a solid dissolve. A magnetic stirrer spins a bar inside a closed vessel. An overhead stirrer drives a shaft when the liquid is viscous or the volume is large. A vortex mixer agitates a tube. A shaker moves a whole rack or a plate. The shape of the impeller and the speed decide whether the liquid turns over or merely spins. The vessels being stirred are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stirring, shaking & mixing. The sub-category is Stirring shafts, propellers & impellers. The catalogue is Instruments de précision.
Shelves beside this one are Magnetic stirring bars, Magnetic stirrers, Stirring & mixing accessories, Homogenisers & dispersers, Shakers, rockers & rotators, Overhead stirrers and Vortex mixers.
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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.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.