Description
pH single-rod measuring cell, SenTix 21, with fixed cable (DIN 19262)
With gel electrolyte and plastic shaft. For mobile pH measurements as well as routine measurement in the laboratory.
| Type | SenTix® 21 |
| Version | with fixed cable (length 1 m) |
| Parameters | pH |
| pH range | 0 to 14 |
| Operating temperature | 0 to +80 °C |
| Diaphragm | fibre |
| Electrolyte | gel |
| Maintenance-free | yes |
| Storage solution | 3 mol/l KCl |
| Shaft length | 120 mm |
| Ø Shaft | 12 mm |
| Shaft material | PPE PS |
| Temperature sensor | without |
| Connection | DIN 19262 (pH) |
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Questions about pH single-rod measuring cell, SenTix 21, 1 unit(s)
What is this article?
pH single-rod measuring cell, SenTix 21, 1 unit(s) is the article on this page. Luminix Health distributes WTW for laboratory use. It sits in pH electrodes & sensors, inside pH & electrochemistry, in Instruments de précision.
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 Instruments de précision.
Shelves beside this one are pH meters, Conductivity meters & cells, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.