
Moisture in Oil Measurement Instruments
Sensors and transmitters that measure water activity and moisture content in transformer oil and lubricants for predictive maintenance.

Vaisala moisture in oil instruments are essential for monitoring the condition of oils in transformers and other machinery, aiding in predictive maintenance and helping prevent costly failures. By measuring water activity, they provide an early indication of moisture-related risks regardless of oil type or temperature.
These solutions support continuous online monitoring of insulating and lubricating oils, enabling condition-based maintenance strategies for critical assets.
- Measures water activity and moisture in oil
- Early warning of moisture-related degradation
- Reliable readings across oil types and temperatures
- Designed for continuous online monitoring
- Supports predictive and condition-based maintenance
- Robust construction for industrial environments
- Power transformers and electrical assets
- Lubrication systems and rotating machinery
- Hydraulic systems
- Utilities and power generation
- Predictive maintenance programs
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