Description
NH502 NH4 electrode is an ammonium-selective sensing electrode designed for laboratory determination of ammonium ion activity. It covers a measuring range of 0,3 ~ 5,0 pNH4, corresponding to approximately 0,5 ~ 10⁻⁵ mol/l, and operates across a sample temperature window of 5 ~ 45 °C. The electrode body uses an unspecified plastic shaft material and is supplied ready for connection via an integral cable terminated with a BNC plug. For correct half-cell pairing the manufacturer recommends the matching 6215 reference electrode. Offered as a single-piece unit from manufacturer APERA Instruments, the NH502 supports routine ammonium measurements in aqueous samples within analytical, environmental and process-control laboratories. Its compact construction and standard BNC interface allow straightforward integration with common laboratory meters that accept ion-selective electrodes. The sensor is intended for use together with a suitable reference electrode and appropriate calibration solutions to ensure reliable pNH4 readings across the stated concentration and temperature intervals.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Pack size: 1 pc
- Product type: NH4 electrode
- Measuring range: 0,3 ~ 5,0 pNH4 (0,5 ~ 10⁻⁵ mol/l)
- Temperature range: 5 ~ 45 °C
- Shaft material: Plastic (unspecified)
- Connection: Cable with BNC connector
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Questions about NH502, NH4 Elektrode
What is this article?
NH502, NH4 Elektrode 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.
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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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