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| Country of Origin | India |
|---|---|
| Measurement Range | ORP ±2000 mV |
| Body Material | glass |
| Operating Temperature Range | -5 to 70 °C |
| Outer Diameter | 12 mm |
| Model | HI3131B |
| Temperature Sensor | no |
| Cable | Coaxial - 1 m (3.3 ft) |
| Connector Type | BNC |
| Reference Cell Type | Single, Ag/AgCl |
| Tip / Shape | Platinum pin |
| Matching Pin | no |
| Recommended Use | Laboratory, General Purpose, ORP Titrations |
| Refill Electrolyte | 3.5M KCl + AgCl |
| Max Pressure | 0.1 bar |
| Overall Length | 205.5 mm |
| Junction Type | Single Ceramic |
| Body Length | 150 mm |
| Electrode Type | Refillable Combination ORP Electrode |
| Product Condition | New |
| MPN | HI3131B |
| Junction Flow Rate | 15–20 µL/h |
| Sensing Pin Material | Platinum |
HI3131B refillable combination ORP electrode for laboratory and titration applications.
HI3131B refillable combination ORP electrode is designed for accurate and reliable oxidation reduction potential (ORP) measurements in laboratory, general-purpose, and titration applications. The electrode features a robust glass body, a single ceramic junction, and a platinum ORP sensing pin, making it suitable for both routine and demanding tasks in laboratory environments.
With its coaxial 1 m cable ending in a BNC connector, this electrode is compatible with most ORP meters and titrators. The HI3131B uses a refillable reference cell (3.5M KCl + AgCl) for stable measurement conditions and a single Ag/AgCl junction. It offers a wide ORP measurement range of ±2000 mV and can operate in temperatures from -5 to 70°C. With an overall length of 205.5 mm and an outer diameter of 12 mm, it fits standard laboratory equipment and electrode holders.
Typical industrial applications include water quality analysis, chemical titrations, research, and laboratory quality assurance. Explore more ORP electrodes, sensors, and laboratory accessories in our Sensors category on EnvMart.
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