Calibration Services

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At De’Osa Engineering Services (DOES), we provide reliable and professional Standard Calibration Services designed to keep your electrical test equipment accurate, compliant, and ready for use with minimal disruption. Our goal is to ensure your tools meet the highest industry standards while reducing downtime and supporting your quality control processes.

With our on-site mobile laboratories and pick-up and delivery options, we make calibration simple, efficient, and convenient. Every service comes with full traceability to National Standards, giving you complete confidence for audits and inspections.

Our Standard Calibration Services Include:

  • On-site calibration service that reduces downtime
  • Pick-up and delivery calibration service
  • Traceable Certificate of Calibration
  • Calibration stickers and seals (where applicable)
  • Recall notice when re-calibration is due
  • Archiving of calibration data for an indefinite period
  • As-found and as-left data reporting

Professional Calibration Services You Can Rely On

At De’Osa Engineering Services, we provide accurate and traceable calibration services for a wide range of electrical test equipment. Our goal is to minimize downtime, improve reliability, and ensure your instruments meet compliance and industry standards. With on-site and pick-up options, we make calibration simple, efficient, and hassle-free.

Accurate Calibration, Trusted Results

De’Osa Engineering Services delivers reliable calibration solutions that keep your test equipment performing at its best. From multifunction testers to PAT equipment, we provide on-site and laboratory-standard calibration with full traceability, ensuring compliance, safety, and confidence in every measurement.

Frequently Asked Questions

Calibration ensures accuracy, safety, and compliance with industry regulations. It helps maintain product quality and prevents costly measurement errors.

Most electrical test equipment requires annual calibration, though frequency can vary based on usage, environment, and manufacturer guidelines.

Yes. Every calibration comes with a traceable certificate meeting BS EN ISO 10012:2003 requirements, recognized for audits and compliance.

Absolutely. Our mobile calibration labs cover London & the Home Counties, reducing downtime by servicing equipment directly at your location.

We service multifunction testers, PAT testers, multimeters, clamp meters, insulation testers, sound level meters, and many more across all major brands.