SOP Manual for Calibration Department


This article discusses “Calibration Department and its SOP Manual”. Measurement consists of comparison of samples of unknown composition with standards of known composition or with scales calibrated with respect to such standards. The standards used must simulate the unknowns with respect to matrix and level of analyze if the comparisons are to be valid.The goal of calibration is to minimize any measurement uncertainty by ensuring the accuracy of test equipment. Calibration quantifies and controls errors or uncertainties within measurement processes to an acceptable level.

Role and Responsibility of calibration department:

  • Designated person in QC shall be responsible for calibration of QC instrument.
  • Production department shall be responsible for calibration of IPQC instrument.
  •  Engineering department shall be responsible for calibration of production equipment, sensors, measuring devices and utilities.
  •  Primary user department shall be responsible for calibration of balances installed in different department like warehouse, production, QC etc.
  •  Stamping of floor balances shall be responsibility of engineering department.
  • In-house calibration shall be performed as per internal SOP and external calibration can be accepted as per external agency’s SOP approved be QA, QC and engineering department.
Different types of calibration:
  • Barometers.
  • Analogue Pressure Gauges.
  • Digital Pressure Gauges.
  •  Digital Indicators.
  • Transmitters.
  • Test Gauges.
Some of the international association of Calibration Department:
  • The Automotive Research Association of India (ARAI).
  • National Accreditation Board for Testing and Calibration (NABTC).
  • American Association for Laboratory Accreditation (AALA).
  • The Canadian Association for Laboratory Accreditation (CALA).
  • National Association of Testing Authorities, Australia (NATAA).
  • Electrical Research and Development Association (ERDA).
  • Automotive Research Association of India (ARAI).
  • Aerospace Industries Association (AIA).
  • National Accreditation Board for Testing & Calibration Laboratories (NABTCL)
  • Association of Indian Laboratories (AIL).
  • Montana Weed Control Association (MWCA).
International Standard related to this industry:

  • ISO/IEC 17025 It is used to accredit testing and calibration laboratories.
  • ISO/IEC 17025: 2005
  • ISO 9001 Calibration of measuring instrument
  • ISO/IEC 17025: 2017 Calibration Laboratory
  • ISO 9001: 2015
  • ISO 9001: 2008
Few of the World best Companies in this industry are,
  •  SGS North America Inc | Aurora |
  •  Accu- Check | Corydon |
  • Micro Quality Calibration, Inc | Chatsworth |
  • Inspec Inc | Canton |
  • Q-Plus Labs | Irvine |
  • Mitchell Laboratories | Pico Rivera |
  • Cal Tec Labs Inc | Pittsburg |
  • ETI Precision | Frederick |
  • H & H Environmental Systems Inc | Rochester |
  • Enilabs | Fort Wayne |
  • General Electric | Boston |
  • Danaher | Washington |
  • Siemens | Munich Germany |
  • Keysight Technologies | Santa Rosa California |
  • Endress Hauser | Reinach Switzerland |
  • Transcat | Rochester |
  • Rohde and Schwarz | Munich Germany |
  • Micro Precision Calibration | Grass Valley |
  • Optical Test and Calibration | Bradford |
  • Trescal | Paris, France |
Some of the magazines and journals that will keep you track on:

You Tube:

Written by SOP Team

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