ANSI S3.6 Compliance Pocket Guide
Quick-reference guide to ANSI S3.6:2018 audiometer performance specifications including SPL tolerances, harmonic distortion limits, and re-calibration intervals.
Guide
8 pages · PDF
Free for all Medology clients. Email us to receive your copy.
What's Inside
- SPL output tolerance tables for all standard audiometric frequencies
- Harmonic distortion and noise floor limits
- Annual vs. exhaustive calibration interval requirements
- Re-calibration triggers and out-of-tolerance procedures
About This Guide
The ANSI S3.6 Compliance Pocket Guide is an 8-page quick-reference document designed for audiology professionals who need immediate access to ANSI S3.6:2018 performance specifications without consulting the full standard document.
It condenses the most operationally relevant requirements — output SPL tolerances, distortion limits, masking noise specifications, and calibration intervals — into structured tables and decision flowcharts.
Key Specification Tables Included
Page 2 contains the complete SPL tolerance table (±3 dB for 1 kHz–8 kHz, ±5 dB for frequencies above 8 kHz). Pages 3–4 cover harmonic distortion limits (≤2.5% THD at reference test level), inter-channel crosstalk (≥70 dB separation), and noise floor requirements.
- Output SPL tolerances by frequency and transducer type
- Harmonic distortion and total distortion limits
- Masking noise spectrum and level tolerances
- Calibration interval decision flowchart
- Out-of-tolerance reporting and re-check procedures
How to Use This Guide in Practice
Clinic staff can laminate pages 1–2 and post them in the audiology suite as a quick reference. Page 7 contains a brief form for logging the last calibration date, calibration lab, and next due date — suitable for inclusion in equipment binders required for accreditation audits.
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