Why De'Osa Engineering?

De’Osa Engineering Services (DOES) provides expert electrical test equipment calibration service on site, We calibrate most makes of 16th, 17th & 18th edition test equipment with state of the art instruments and software that allows us to do this quickly and accurately with professionalism and exemplary attitude towards customer service. DOES are a fully fledged on-site calibration company. We will always turn up at the appointed date & time and our expertise ensures that the job is performed quickly and returning the equipment back into service with the barest minimum of downtime as we know how important they are to your engineers. We guarantee you will be satisfied with our work and rates.

If your test equipment is due for calibration, why not take advantage of our years of expertise in the testing industry and contact our on-site team for a no obligation quotation. 

De’Osa Engineering Services produces certificates that provides traceability of measurement to recognised National Standards and to the units of measurements realised at the National Physical Laboratory or other recognised National standard laboratories and complies with the requirements of BS EN ISO 10012:2003. this assures you that our work meets the highest standards:

  • Documented and controlled procedures
  • Controlled calibration environment
  • Qualified engineers
  • Standard traceability with suitable accuracy

A traceable calibration certificate is provided by our calibration engineer, which is required to prove to auditors that your equipment has been regularly calibrated and verified to prove it conforms to manufacturers specification and it is fit for purpose.

Why Calibrate your Test Equipment?

All test equipment degrade over time, this can generally be caused by normal wear and tear, however changes in accuracy can also be caused by hazardous working environment or electric shock, depending on the type of testing being carried out and the environment in which it is being used, it may quickly degrade or over a long period of time, the bottom line is that calibration improves the accuracy of the testing device, accurate measuring testers improve product quality.

Calibration of your test equipment has two objectives, it checks the accuracy of the tester and it determines the traceability of the measurement. In practice, calibration also includes repair of the test equipment if it is out of calibration. A traceable calibration certificate is provided by the calibration engineer, which is required to prove to auditors that their equipment has been regularly calibrated and verified to prove it conforms to manufacturers specification and it is fit for purpose.

Equipment we Calibrate On-site

  • Multi-function tester
  • Digital Thermometer
  • Sound Level Meter
  • Digital Multimeter
  • Continuity tester
  • Insulation tester
  • Checkbox tester
  • Voltage tester
  • Clamp meter
  • Proving unit
  • Loop tester
  • Portable Appliance tester (PAT Test)

A Sticky label and Traceable Certificate showing calibration date and run out date is provided for all test equipment with a free reprint should you loose the initial one provided, you can also count on our engineers for a continuous technical support whenever it is needed.

24 Hour On-Site Calibration of electrical testers in London & Home Counties

Covering London and the Home Counties, DOES provide a truly professional on-site electrical test equipment calibration service. Our Mobile Calibration Laboratories will visit your site and carry out on-site calibration service that is perfectly posed to reduce disruption to your engineers workflow. Our on-site electrical test equipment calibration service covers both 16th, 17th & 18th edition test equipment. Amongst the many brand names we calibrate are Fluke, Megger, Kewtech, Seaward, Metrel and more.

Your equipment Accuracy and Safety is Vital, components become stressed as they age and without periodic calibration, the measurements produced may be inaccurate. We offer a seasoned, professional service that is tailored to the individual needs of the customer, with a flexible work ethic and 24 hour availability, we aim to fit in with your business hours. What are included in our calibration service?

  • On-site calibration service that reduces downtime
  • Pick-up and delivery calibration service
  • Traceable Certificate of Calibration
  • Calibration Sticker
  • Calibration Seals where applicable
  • Archiving of historical data for an indefinite period
  • As-found and as left data
  • Recall Notice when re-calibration is due
  • General cleaning of the instrument
  • Online certification and status check
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With the current legislation of Engineers having to provide certification on most job that they do, they cannot afford to be without their test equipment for long period of time, so our on-site calibration saves you time by having your test equipment with certificate back on the same day.

Businesses or Branches holding calibration day is a great way to get customers into your business on the trade counter and can be very lucrative, Get some of your suppliers in and have a trade day that will bring more awareness to your business while De’Osa Engineers deal with the service.

Affordable: We are committed to providing you the best possible value for money. That is why we include a price promise that will beat any other quote.

Expert: Our experience engineers will continuously give technical help through the year and a reminder will be sent just before your testers are due for calibration so that you will always be on top of things when it comes to quality control.

Simple: We take away the red tape by working around your time and making the process as easy as possible. We make sure you get the best from the process as we will only ask for payment once your tester passes calibration.

With the current legislation of Engineers having to provide certification on most job that they do, they cannot afford to be without their test equipment for long period of time, so our on-site calibration saves you time by having your test equipment with certificate back on the same day.

Businesses or Branches holding calibration day is a great way to get customers into your business on the trade counter and can be very lucrative, Get some of your suppliers in and have a trade day that will bring more awareness to your business while De’Osa Engineers deal with the service.

Affordable: We are committed to providing you the best possible value for money. That is why we include a price promise that will beat any other quote.

Expert: Our experience engineers will continuously give technical help through the year and a reminder will be sent just before your testers are due for calibration so that you will always be on top of things when it comes to quality control.

Simple: We take away the red tape by working around your time and making the process as easy as possible. We make sure you get the best from the process as we will only ask for payment once your tester passes calibration.

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Your equipment Accuracy and Safety is Vital

We like to foster ongoing relationships with our clients and we are sure you will find our on-site calibration service efficient and our rates competitive, each client is logged into our system, allowing annual reminders which are sent by email or text, allowing you to ensure that your electrical test equipment is always within the stated manufacturers specifications.

DOES are a fully fledged on-site calibration company. We will always turn up at the appointed date & time and our expertise ensures that the job is performed quickly, returning the equipment back into service with the barest minimum of downtime as we know how important they are to your engineers.