Description
SG98-B SevenGo Duo Pro™ pH/Ion/RDO is a portable dual-channel meter for simultaneous pH/ion and optical dissolved oxygen (RDO®) determination. Built for professional electrochemistry in the laboratory and on site, it combines pH or ion-selective electrode measurement with RDO® dissolved oxygen on two independent channels, so multi-parameter water-quality data can be captured without swapping instruments. The compact handheld format supports routine quality control, environmental sampling, process checks, and other workflows where pH/ion and oxygen values must be recorded together. Supplied as one piece with a net weight of 0,973 kg, the unit remains practical for mobile use while retaining the performance expected of a professional portable meter. This SG98-B model from manufacturer Mettler-Toledo OnLine belongs to the SevenGo Duo Pro™ series and sits within the electrochemical measuring instrument category covering pH meters and oxygen meters. Dual-channel architecture streamlines sample handling, reduces setup time between parameters, and helps field and bench teams maintain consistent measurement practice across diverse aqueous matrices.
This article is part of pH meters, in pH & electrochemistry.
Key features
- Pack size: 1 pc
- Product type: 2-channel pH/ion/RDO® meter
- Series: SevenGo Duo Pro™
- Measurement channels: pH/ion and RDO®
- Technical Information Sheet:
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Questions about SevenGo Duo pH/Ion/DO meter SG98
What is this article?
SevenGo Duo pH/Ion/DO meter SG98 is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in pH meters, inside pH & electrochemistry, in Lab instruments.
A pH meter reads the electrode and displays pH, after calibration with at least two buffers. A meter that cannot be calibrated is a voltmeter. Resolution to 0.001 is not the same as accuracy. Portable and benchtop meters differ in the electrodes they accept and in the data they store.
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 meters. The catalogue is Lab instruments.
Shelves beside this one are pH electrodes & sensors, 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. 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.
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.