Description
Portable meter for pH/Redox/°C incl. probe HI12973 is a compact waterproof handheld instrument for pH, redox (ORP) and temperature measurement. The supplied HI12973 titanium-body electrode incorporates an integrated amplifier that protects against external influences and supports high measuring accuracy, while the built-in temperature sensor delivers automatic temperature-compensated readings from -5 to 105 °C. Belonging to the updated HI99xxxx series from manufacturer Hanna Instruments, the meter pairs with application-specific electrodes via a Quick-DIN connector that renders the complete system water- and dust-tight. Two-key operation allows rapid adjustment of settings, measuring range and calibration points. A multilevel LCD presents key data clearly, the IP67-compliant housing safeguards performance in harsh surroundings, and electrode condition is indicated on screen. Delivery includes the HI12973 Quick-DIN probe with 1 m cable, starter calibration solutions, cleaning solution, batteries, instruction manual and quality certificate in a sturdy carrying case. Measuring ranges: pH -2,00 to 16,00 (resolution 0,01; accuracy ±0,02), redox ±1999 mV, temperature -5,0 to 105,0 °C.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Pack size: 1 pc
- Included probe: HI12973 titanium body, internal temperature sensor, Quick DIN, 1 m cable
- pH measuring range: -2,00 to 16,00
- Redox measuring range: ±1999 mV
- Temperature range: -5,0 to 105,0 °C
- Housing: IP67 waterproof and dustproof
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Questions about Waterproof Portable pH/pH-mV/ORP/Temperature Meter with Sensor Check™
What is this article?
Waterproof Portable pH/pH-mV/ORP/Temperature Meter with Sensor Check™ is the article on this page. Luminix Health distributes Hanna 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.
What should I check before I order?
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.