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Systems Based on Acquisition Boards and Custom Software

Scantek, Inc. offers calibration service according to IEC 61672-3 for these systems, as long as they comply with the requirements of one of the categories covered by the standard:

  • – As a minimum, a conventional sound level meter shall provide a means to indicate A-frequency-weighted and F-time-weighted sound level.
  • – As a minimum, an integrating-averaging sound level meter shall provide a means to indicate A-weighted time-average sound level.
  • – As a minimum, an integrating sound level meter shall provide a means to indicate A-weighted sound exposure level.

Sound level meters may contain any or all of the design features for which performance specifications are given in this standard. A sound level meter shall conform to the applicable performance specifications for those design features that are provided.

A hold feature shall be provided, for measurements of maximum time-weighted sound level and peak C sound level if the sound level meter is capable of measuring these quantities. (IEC61672-1)

For tests, the system must be submitted in its entirety (computer included). The IEC 61672-3 standard requires that the user manual with detailed specifications written as detailed in the standard be also provided, as admissibility for test condition.

The tests follow the same approach as for regular sound level meters.

In order to diminish the calibration cost of the multi-channel systems, we adopted a test structure that is testing both the software functions and the hardware parameters while avoiding redundant tests. Consequently, for multi-channel systems, we fully test one channel according to the selected standard, and for the remaining channels, we only perform the tests that focus on the hardware parameters.