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Maintaining your multimeter


A digital multimeter is more than just a tool; it’s your gateway to diagnosing and solving electrical and electronic problems. Ensuring its accuracy and reliability isn’t just about performance; it’s also about safety. Regular maintenance can prevent measurement errors that might lead to dangerous situations or costly mistakes. Here you’ll find all the maintaining tips to ensure longevity and reliability of your instrument.

Protecting your instrument

  • Environment: Store your multimeter in a clean, dry, and temperature-controlled environment. Extreme temperatures and humidity can damage the internal components and affect the accuracy of readings.
  • Protective case: Use a protective case to shield your multimeter from dust, moisture, and impact. This is especially important for professionals who transport their tools between job sites.

Keeping your multimeter in top shape

  • Exterior cleaning: Wipe the exterior of the multimeter with a soft, dry cloth. For more stubborn dirt, use a cloth slightly dampened with mild soap and water, followed by a dry cloth to remove any moisture.
  • Terminal and probe care: Ensure the input terminals and probes are clean and free from corrosion. Use a cotton swab dipped in isopropyl alcohol to clean the contacts gently.
  • Battery compartment: Periodically inspect the battery compartment for signs of corrosion or battery leakage. Clean any residue with a vinegar-dipped cotton swab, and make sure the compartment is dry before inserting new batteries.

Battery management

  • Regular checks: Monitor the battery level indicator on your multimeter and replace batteries promptly to avoid inaccurate readings.
  • Quality batteries: Use high-quality batteries to reduce the risk of leakage that could damage the multimeter.
  • Long-term storage: If you plan to store your multimeter for an extended period, remove the batteries to prevent potential damage from leakage.

Ensuring measurement accuracy

Even with meticulous care, a multimeter’s accuracy can drift over time due to normal use and aging components. That’s where calibration comes in. Calibration adjusts the multimeter to ensure it provides results within the manufacturer’s specified accuracy range. Calibrate your multimeter annually, or more frequently if it’s used under harsh conditions, or if accuracy is critical for your measurements.

Professional calibration services

GMS Instruments offers professional calibration services that not only adjust your multimeter for optimal performance but also provide certification for compliance with industry standards. By following these maintenance tips, you’ll extend its lifespan and ensure it continues to provide the reliable, accurate measurements you depend on. And with GMS Instruments’ professional calibration services, you can rest assured that your multimeter will perform at its best, meeting the demands of any project or job site.

General contact

Driemanssteeweg 190
3084 CB Rotterdam
The Netherlands