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BENCH (Workshop, Laboratory) Calibration.
5 August 2019 - 12:30, by , in Calibration, No comments

When Calibrations are being performed in laboratory or workshop after removing the process instrument from its original field location, it comes under the banner of Bench Calibration. To minimize process downtime, spare piece of equipment can be installed in place to that Instrument which is disconnected for bench calibration. In bench calibration, power gets supplied to an instrument from an external source, if required.

Benefits of Bench Calibration 

  • Can be performed in a workshop prior commissioning which can provide assurance regarding instrument’s working condition.
  • Saves a lot of time in comparison to the field calibration which needs to be performed once the instrument is installed to its intended location within the process.
  • Since bench calibration is performed under controlled environmental conditions with more accurate calibration equipment, less total uncertainty can be achieved.
  • Consistency in bench calibration can be achieved in a more decent way because of the well written operating procedures.
  • Safety related issues can be addresses easily within workshop
  • Primary standards can be used in workshop to calibrate portable working standards in house.
  • Access to various calibration equipment is easy within workshop.
  • Dedicated Workshop or Laboratory for calibration can be beneficial in applying for an accreditation to ISO/IEC 17025 as total uncertainty can be lessened within controlled conditions.


About author:
Fahid completed his Electrical Engineering from Pakistan in 2011 and Msc Quality Management with Distinction from United Kingdom in 2018. Along with the couple of Certifications and Training, he holds Technical and Managerial expertise within the field of Automation, Instrument Calibration, Testing, Quality and Operations Management. He is enthusiast about content writing specifically related to Inspection and Testing Business.

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