Description
TDS solution 6,44 g/l (ppt) is a ready-to-use calibration standard for total dissolved solids measurements at higher concentration levels. Each single-use sachet contains 20 ml of solution specified at 6,44 g/L (ppt or ‰), enabling reliable TDS meter and probe calibration without prolonged exposure of bulk bottles. Supplied as 25 sachets of 20 ml, the pack supports frequent verification steps in laboratory, industrial, and field settings. The solution is formulated for TDS calibration (total dissolved solids) and comes from manufacturer Hanna Instruments for use with compatible electrochemical instruments. Pack net weight is 0,68 kg and gross weight is 1,68 kg, which simplifies storage and logistics for quality-control and process laboratories. Single-dose sachets help maintain reference integrity until opening, making them suitable for water analysis, brine or concentrate monitoring, training laboratories, and service work where a defined 6,44 g/l (ppt) standard is required. This accessory for electrochemical devices helps keep TDS readings traceable to a clear calibration value during routine instrument checks.
This article is part of Conductivity meters & cells, in pH & electrochemistry. See also pH meters.
Key features
- Pack size: 25 sachets of 20 ml
- Product type: TDS calibration solution
- TDS value: 6,44 g/l (ppt)
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Questions about 6.44 g/L (ppt) TDS value @25°C, (25) 20 mL sachets
What is this article?
6.44 g/L (ppt) TDS value @25°C, (25) 20 mL sachets is the article on this page. Luminix Health distributes Hanna Instruments 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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