AtlasScientific pH Probe
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Product details
| Management number | 234966410 | Release Date | 2026/07/02 | List Price | $35.89 | Model Number | 234966410 | ||
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- AtlasScientific pH Probe Kit
- Measures solutions up to 14 pH
- Temperature range: 1 − 99 °C
- Includes samples containing heavy metals
- Food safe
This AtlasScientific pH Probe Kit can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely. A pH Probe Kit measures the hydrogen ion activity in a liquid. At the tip of a pH probe is a glass membrane. This glass membrane permits hydrogen ions from the liquid being measured to defuse into the outer layer of the glass, while larger ions remain in the solution.
The difference in the concentration of hydrogen ions (outside the probe vs. inside the probe) creates a VERY small current. This current is proportional to the concentration of hydrogen ions in the liquid being measured.
A pH electrode is a passive device that detects a current generated from hydrogen ion activity. This current (which can be positive or negative) is very weak and cannot be detected with a multimeter, or an analog to digital converter. This weak electrical signal can easily be disrupted and care should be taken to only use proper connectors and cables.
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