Description
LabSen 241-3 combined pH electrode is designed for micro-sample measurement above 30 µl and for use in thin test tubes, including NMR tubes. With a matching micro-volume container (available separately) volumes down to 15 µl can be measured. Manufactured using patented Swiss sensor technology and materials from APERA Instruments, the electrode features a Long Life reference system of glass tube, AgCl and reference silver wire; cotton packing prevents AgCl–electrolyte reaction during temperature shifts, enhancing stability and longevity. Its unique cylindrical micro tip (tip Ø3 mm, stainless-steel tube Ø4 mm) is protected by a steel sheath against impact damage and remains usable up to 100 °C. Measuring range is 0–14 pH with 3M KCl electrolyte, ceramic diaphragm and lead-free glass shaft. Overall dimensions are electrode Ø12×130 mm and measuring tip Ø3×16 / Ø4×54 mm. The BNC connector is compatible with standard laboratory pH meters; no integrated temperature sensor is present, so automatic compensation requires a separate probe or manual temperature entry. Cable length is Ø3 mm × 1 m. Supplied as one piece.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Pack size: 1 pc
- Product type: Combined micro pH electrode
- Measuring range: 0–14 pH
- Minimum sample volume: > 30 µl
- Tip protection: Stainless-steel sheath
- Connection: BNC
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Questions about LabSen 241-3 Combination pH Electrode for Micro Samples (> 30µl)
What is this article?
LabSen 241-3 Combination pH Electrode for Micro Samples (> 30µl) is the article on this page. Luminix Health distributes APERA Instruments 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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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.