K-number	K770823
Device name	AUDIOMETRIC TESTING SYS., SERIES 500
Applicant	Automated Testing Services, Ltd.
Product code	EWO
Device class	Class II
Decision date	May 18, 1977
Decision	Substantially Equivalent
Regulation	874.1050

AI Summary

AI extraction for this record is queued and will appear within 24 hours. View full FDA record →

Source

View the full FDA submission: accessdata.fda.gov

Researching this as a predicate?

Want a transparent AI-ranking score, AI-discovered related predicates, ongoing safety and warning-letter monitoring, full predicate chain lineage, and a drafted SE rationale — all saved to your own project? That's what an account adds.

Start free trial →

Building an AI or ML-enabled device? Predicate search, PCCP tracking, and AI-specific FDA intelligence — built exclusively for AI/ML devices. Try AIFDA Intel →

AUDIOMETRIC TESTING SYS., SERIES 500

Everything you need for a 510(k) submission. Nothing you don't.