Description
The SG68-ELK SevenGo Duo pro pH/ION/DO is a professional two-channel meter kit for pH, ion concentration and dissolved oxygen, supplied ready for use with matching InLab® sensors. The instrument provides manual or automatic air-pressure compensation through an integrated barometer (500 to 1100 mbar), a high-performance oxygen measurement path, a backlit LCD, large data memory for detailed GLP protocols and an infrared interface for data transfer to a printer or PC, together with extensive parameter-specific functions. Dissolved oxygen ranges from 0,0 to 600 % or 0,00 to 99,00 mg/L (resolution 0,1 to 1 % or 0,01 mg/L; accuracy ±0,5 %), with DO temperature 0,0 to 60,0 °C. pH covers −2,000 to 19,999 at 0,1/0,01/0,001 resolution and ±0,01 relative accuracy; mV spans −1999,9 to 1999,9. Temperature modes include ATC −5,0 to 105,0 °C and MTC −30 to 130 °C. The kit from manufacturer Mettler-Toledo OnLine includes the meter, InLab®605-ISM oxygen probe (2 m), InLab Expert Pro-ISM pH electrode (2 m), buffer solutions, operating instructions, declaration of conformity, test certificate and four 1,5 V AA batteries. Net weight is 2,342 kg.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Pack size: 1,0 set
- Included sensors: InLab Expert Pro-ISM, InLab®605-ISM (2 m)
- Channels: 2 (pH/ION and DO)
- pH range: −2,000 … 19,999
- DO range: 0,0 … 600 % / 0,00 … 99,00 mg/L
- Air pressure: 500 … 1100 mbar
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Questions about SevenGo Duo pH/Ion/DO meter SG68-EL-Kit
What is this article?
SevenGo Duo pH/Ion/DO meter SG68-EL-Kit 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.
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