Description
InLab 731 conductivity electrode with 1,2 m cable and mini-DIN connector is a conductivity sensor for medium to high conductivity measurements. It features a very robust epoxy shaft and a 4-pole graphite cell with a cell constant of 0,57 cm⁻¹. The stated measuring range is 0,01–1000 µS/cm, supporting routine laboratory conductivity work across a practical sample span. Shaft length is 120 mm and shaft diameter is 12 mm, providing a standard immersion geometry for beakers and vessels. Connection is made via a fixed cable with mini-DIN plug, and the sensor is ideal for SevenMulti instruments. This InLab 731 conductivity electrode from manufacturer Mettler-Toledo OnLine is supplied as 1 pc with a net weight of 0,179 kg. The durable epoxy body and four-pole graphite design suit repeated laboratory use where mechanical robustness matters. With the 1,2 m cable, the electrode reaches conveniently from meter to sample. Laboratories with compatible mini-DIN meters can integrate it into quality control, sample screening and general analytical conductivity workflows.
This article is part of Conductivity meters & cells, in pH & electrochemistry. See also pH meters.
Key features
- Pack size: 1 pc
- Cell design: 4-pole graphite
- Cell constant: 0,57 cm⁻¹
- Measuring range: 0,01–1000 µS/cm
- Shaft: Epoxy, 120 mm length, 12 mm diameter
- Cable length: 1,2 m
- Technical Information Sheet:
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Questions about Cond probe InLab 731
What is this article?
Cond probe InLab 731 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.
Which category should I open next?
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.