Which of the following has NO established ANSI standards?

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Study for the PE Environmental Qualitative Exam. Practice with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following has NO established ANSI standards?

Explanation:
ANSI standardization exists to ensure measurement devices produce dependable, comparable results across labs and environments. Among common acoustics tools, sound level meters, octave-band analyzers, and audio meters all have well-established ANSI standards that specify performance requirements, calibration procedures, and how measurements should be taken. Audiometric resonators, however, are specialized hearing-testing devices and do not have a widely adopted ANSI standard governing their design or performance. Because there isn’t a single ANSI document that standardizes their construction or calibration, audiometric resonators lack established ANSI standards.

ANSI standardization exists to ensure measurement devices produce dependable, comparable results across labs and environments. Among common acoustics tools, sound level meters, octave-band analyzers, and audio meters all have well-established ANSI standards that specify performance requirements, calibration procedures, and how measurements should be taken. Audiometric resonators, however, are specialized hearing-testing devices and do not have a widely adopted ANSI standard governing their design or performance. Because there isn’t a single ANSI document that standardizes their construction or calibration, audiometric resonators lack established ANSI standards.

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