Description
InLab® 742 conductivity electrode is a conductivity sensor for low-conductivity media such as clear water and ultrapure water. It features a very robust stainless-steel shaft and a 2-pole stainless-steel (V4A) measuring cell with a cell constant of 0,105 cm⁻¹. The stated measuring range is 0,001 to 500 µS/cm, covering demanding low-level conductivity work in the laboratory. Shaft length is 120 mm and shaft diameter is 12 mm, giving a compact immersion geometry for standard vessels and flow cells. Connection is via an LTW connector, and the sensor is described as ideal for SevenMulti instruments. With a net weight of 0,28 kg and supplied as a single-piece pack, this electrode from manufacturer Mettler-Toledo OnLine is suited to pure-water and ultrapure-water monitoring as well as other low-conductivity applications. The stainless-steel construction supports durable handling in routine analytical environments. Clear specification of cell constant, range and mechanical dimensions helps laboratories select the InLab® 742 where low-level conductivity measurement on compatible meters is required.
This article is part of Conductivity meters & cells, in pH & electrochemistry. See also pH meters.
Key features
- Pack size: 1 pc
- Product type: Conductivity electrode
- Model: InLab® 742
- Cell constant: 0,105 cm⁻¹
- Measuring range: 0,001–500 µS/cm
- Shaft dimensions: 120 mm length, 12 mm diameter
- Technical Information Sheet:
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Questions about Cond probe InLab 742
What is this article?
Cond probe InLab 742 is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in Conductivity meters & cells, inside pH & electrochemistry, in Lab instruments.
A conductivity meter and its cell measure how well a solution carries current. The cell constant is the geometry that converts conductance to conductivity, and it is calibrated with a standard. Temperature compensation matters because conductivity rises with temperature.
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.
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The category is pH & electrochemistry. The sub-category is Conductivity meters & cells. The catalogue is Lab instruments.
Shelves beside this one are pH electrodes & sensors, pH meters, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.