How to maintain a soil tensiometer

How to maintain a soil tensiometer

How to maintain a soil tensiometer


Soil tensiometers are important tools used in agriculture and horticulture to measure soil moisture tension. They help in determining when and how much to water plants, preventing over or under watering. To ensure accurate measurements and prolonged use, it is essential to properly maintain and care for soil tensiometers. This article will provide a comprehensive guide on how to maintain a soil tensiometer.


Regular cleaning is crucial to maintain the accuracy and functionality of a soil tensiometer. Start by removing any visible dirt or debris from the tensiometer. Use a soft brush or a cloth to gently wipe the exterior of the instrument. Avoid using harsh chemicals or abrasive materials that can damage the tensiometer.


Calibration is essential to ensure accurate measurements. It is recommended to calibrate the soil tensiometer at the beginning of each growing season or whenever there are significant changes in soil conditions. Follow the manufacturer’s instructions for calibration or consult a professional if needed.


Proper storage is important to protect the soil tensiometer from damage. After cleaning and calibration, make sure the tensiometer is completely dry before storing it. Store it in a clean and dry place, away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the tensiometer to prevent any potential damage.


Regular inspections are necessary to identify any signs of wear or damage. Check the tensiometer for any cracks, leaks, or loose parts. Inspect the tubing and connectors for any signs of wear or deterioration. If any issues are detected, contact the manufacturer for repairs or replacement parts.

Maintenance of Tubing and Connectors:

The tubing and connectors play a crucial role in the functioning of a soil tensiometer. Inspect the tubing for any blockages or clogs and clean them if necessary. Check the connectors for any signs of leakage or damage. Replace any damaged or worn-out tubing or connectors to ensure accurate measurements.


If you live in an area with freezing temperatures, it is important to properly winterize the soil tensiometer. Remove the tensiometer from the soil and clean it thoroughly. Disconnect the tubing and connectors, ensuring all water is drained from the system. Store the tensiometer and its components in a frost-free location to prevent damage from freezing.

Regular Maintenance Schedule:

To ensure the longevity and accuracy of the soil tensiometer, it is recommended to establish a regular maintenance schedule. This can include cleaning and calibration at the beginning of each growing season, inspections every few months, and replacing any worn-out parts as needed.


Proper maintenance is crucial for the accurate functioning and prolonged use of a soil tensiometer. Regular cleaning, calibration, inspections, and maintenance of tubing and connectors are essential steps to ensure accurate measurements. By following these guidelines, farmers and gardeners can effectively monitor soil moisture tension and optimize their watering practices.

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