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No. 6
Aerosol Photometer Recalibration
Frequently, customers inquire about recalibrating
ATI Aerosol Photometers. As a manufacturer of aerosol photometers,
ATI can only make recommendations about recalibration. The
actual recalibration interval is controlled by each individual's
corporate or company quality assurance program. For example,
the Charleston Naval Shipyard has a Quality Assurance Program
which dictates that any instrument using an analog meter indicator
shall be recalibrated on a semi-annual basis. Therefore, they
return the instrument every six months for recalibration to
comply with their internal Quality Assurance Program.
ATI has numerous validated calibration records
which demonstrate that the current TDA-2D, 2E & 2G Series
Photometers maintain their accuracy for a minimum of one year
under normal usage. Therefore, ATI's recommended maximum photometer
recalibration interval is annually.
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