| Model | pH-7003 |
|---|---|
| Output | / |
| Power supply | / |
| Application | Ideal for industrial processes, wastewater treatment, and air pollution control systems. |
| Description | pH-7003 electrode operates on the principles of electrochemistry, leveraging a galvanic cell to convert chemical reactions into electrical signals. With a design that includes a measurement half-cell and a reference Ag/AgCl half-cell, it ensures precise pH readings through the measurement of potential differences. |
The pH-7003 electrode operates on the principles of electrochemistry, leveraging a galvanic cell to convert chemical reactions into electrical signals. With a design that includes a measurement half-cell and a reference Ag/AgCl half-cell, it ensures precise pH readings through the measurement of potential differences.
| Measurement Range: | 2 to 12 pH, optimized for pure water and low ion content solutions. |
| Temperature Range: | 5 to 80°C, ensuring reliable operation across a broad temperature spectrum. |
| Pressure Resistance: | 0.6MPa, suitable for high-pressure industrial environments. |
| Temperature Compensation: | Supports NTC10K, PT100, PT1000, for accurate compensation in varying temperatures. |
| Reference Design: | Features a ring-shaped PTFE junction for enhanced resistance to contamination. |
| Installation: | Equipped with 3/4NPT threaded connections for universal fitting. |
| Housing Material: | High-performance PPS for durability and chemical resistance. |
| Application Focus: | Ideal for industrial processes, wastewater treatment, and air pollution control systems. |
- Three-Point Calibration: Recommended for optimal accuracy, using pH 4.00, 6.86, and 9.18 buffers.
- Two-Point Alternative: For efficiency, use pH 6.86 and either 4.00 (for acidic) or 9.18 (for alkaline) buffer.
- Preparation: Allow the meter to warm up for 30 minutes before calibration.
- Proper Positioning: Hold the electrode vertically with the glass bulb down during calibration.
- Cable Integrity: Special shielded cables must remain unaltered to maintain performance.
- Solution Exposure: Avoid continuous immersion in distilled water or protein-rich environments, and avoid silicone.
- Cleaning Protocol: For aged or contaminated electrodes, clean with dilute HCl and rinse thoroughly.
- Replacement Criteria: If calibration fails, consider electrode replacement for consistent results.
- Waterproofing: Keep the cable connection dry to prevent damage.
The pH-7003 electrode is a cutting-edge solution designed for precision in challenging pure water measurements. Its advanced features, including a specialized glass membrane and robust PTFE junction, ensure fast response times and minimal contamination, making it a top choice for industries requiring high-accuracy pH monitoring. Experience the difference in performance and reliability with the pH-7003.
Correspondence between pH and mV
Correspondence between pH and mV at 25°C
| Potential difference meter (mV) | Nominal pH | Potentiostat (mV) | Nominal pH |
| 414.12 | 0.00 | -414.12 | 14.00 |
| 354.96 | 1.00 | -354.96 | 13.00 |
| 295.80 | 2.00 | -295.80 | 12.00 |
| 236.64 | 3.00 | -236.64 | 11.00 |
| 177.48 | 4.00 | -177.48 | 10.00 |
| 118.32 | 5.00 | -118.32 | 9.00 |
| 59.16 | 6.00 | -59.16 | 8.00 |
| 0.00 | 7.00 | 0.00 | 7.00 |
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