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Specifications, General specifications, Patents – Welch Allyn Ear Wash System 29350 - User Manual User Manual

Page 27: Ear tips, General specifications patents ear tips

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Specifications

General Specifications

The specifications common to all of the major components of Welch
Allyn Ear Wash System are listed the following table.

Operating Temperature:

50° - +104° F

(10° - +40° C)

Storage Temperature:

-40° - +120° F

(-40° - +49° C)

Flow Rate from Ear Tip:

100-134 mL (0.0264 gal) of water per 20

seconds at operating pressure.

Source (faucet) Water
Pressure Range:

40 - 100 Psi (275kPa - 690 kPa)

Minimum Source Water
Flow Rate:

7.5 l/min (2 gal/min)

Maximum Source Water
Flow Rate:

21.5 l/min (5.7 gal/min)

Water Pressure from Ear Tip: Typical range 10-13 Psi (69kPa - 90kPa)

Patents

U.S. Patent Number

5,685,851; 6,458,094; D453,376;

D453,829; other patents pending

Ear Tips

Bio-compatible, latex-free, insert type

One size fits patients from pediatric to adult

Single-use only

Fits most round ear canals