Internal calibration definition

Internal calibration means calibration of the sound level meter by an internal oscillator or other means. The sound level meter internal calibration may be used, provided that the overall response of the sound level meter and microphone are evaluated by an external acoustic calibrator meeting the requirements of paragraph (a) (3) at the start and at the end of each test day.
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Examples of Internal calibration in a sentence

  • Nitrate as N: Initial calibration: Every 6 months Calibration verification: Once per batch Ortho- phosphate: Once per batch ▇▇▇▇ ▇▇ Creek Environmental Lab: Dissolved Metals Creek Environmental Laboratory SOP Internal calibration.

Related to Internal calibration

  • Internal Controls has the meaning set forth in Section 4.07(d).

  • Internal control means the systems of control devised by management to ensure that the council’s objectives and management policies are achieved and adhered to in a manner that promotes the economy, efficiency and effectiveness on the use of resources, that financial and other records are reliable and complete and that the councils assets and interests are safeguarded;

  • Internal combustion engine or ‘engine’ means an energy converter, other than a gas turbine, designed to transform chemical energy (input) into mechanical energy (output) with an internal combustion process; it includes, where they have been installed, the emission control system and the communication interface (hardware and messages) between the engine's electronic control unit(s) and any other powertrain or non-road mobile machinery control unit necessary to comply with Chapters II and III;

  • Internal Costs means, for any period, the product obtained by multiplying (a) the actual total FTEs (or portion thereof) devoted to the performance of activity under this Agreement during such period, by (b) the applicable FTE Rate.

  • Calibration means the determination of (1) the response or reading of an instrument relative to a series of known radiation values over the range of the instrument, or (2) the strength of a source of radiation relative to a standard.