Solid-state MnO₂ reference electrode designed for stable long-term potential monitoring in corrosion monitoring, cathodic protection and electrochemical measurement systems.
Solid-State MnO₂ Reference Electrode 30 × 150 mm（Customizable）
The MnO₂ Reference Electrode is a solid-state reference electrode designed to provide a stable reference potential for long-term electrochemical monitoring.
Its solid-state MnO₂ design eliminates the need for a liquid electrolyte, making it suitable for applications where long-term stability, low maintenance and reliable potential measurement are required.
With a compact 30 × 150 mm configuration, the electrode can be integrated into different monitoring and cathodic protection systems according to project requirements.
| Item | Specification |
|---|---|
| Electrode Type | Solid-State MnO₂ Reference Electrode |
| Dimensions | 30 × 150 mm |
| Reference Potential | +165 ±10 mV (25°C vs SHE) |
| Potential Stability | ±5 mV |
| Internal Resistance | <10 kΩ |
| Insulation Resistance | >100 MΩ |
| Operating Temperature | -20°C to +80°C |
| Operating pH | 10–14 |
| Temperature Coefficient | ≤0.5 mV/°C |
| Electrolyte | Solid-State MnO₂ |
| Service Life | ≥30 years |
The MnO₂ reference electrode can be used for:
The electrode uses solid-state MnO₂ rather than a conventional liquid electrolyte.
This design helps reduce maintenance requirements and makes the electrode suitable for long-term installation in monitoring systems where access for maintenance or electrolyte replacement is limited.
The electrode provides a reference potential of:
+165 ±10 mV at 25°C vs SHE
with a specified potential stability of:
±5 mV
The stable reference potential allows the electrode to be used as a reference point for monitoring changes in the electrochemical potential of the protected or monitored structure.
The MnO₂ Reference Electrode is designed for long-term operation under the specified conditions.
With an operating temperature range of -20°C to +80°C and an operating pH range of 10–14, it can be used in a variety of demanding monitoring environments.
The specified service life is:
≥30 years
30 × 150 mm
The compact design allows the reference electrode to be integrated into different installation configurations.
Customized dimensions and connection configurations can be discussed according to project requirements.
For project-specific requirements, we can discuss customization of:
Please provide your application, installation environment and required cable configuration for evaluation.
