Replacement Foam Tips for ER1 / ER2 from Etymotic Research, size small (10mm), type ER1-14B, for single-use (disposable) only. 50 tips per pack.
Replacement Foam Tips size small (10mm, brown) for use with ER1 / ER2 tubal insert earphones from Etymotic Research. Foam tips for the ER1 and ER2 come with transparent tubes. These foam tips are also commonly referred to as ER1-14B. Applications include immittance and otoacoustic emissions testing.
50 replacement foam tips size small (10mm) tips per pack.
Technical Specifications
- Size: small (brown), 10mm diameter, 12mm height
- Tube diameter: 1.35mm
- Compatibility: ER1 and ER2 tubal insert earphones
- Packaging size: 50 replacement foam tips per pack
Application Note
Replacement foam eartips are produced with consistent dimensions to ensure proper calibration and test accuracy. Insert the clear tubing of the foam eartip completely onto the tip of the sound tube. 4mm of the clear tubing should be on the tip of the sound tube. The remaining eartip length is 22mm.
The foam eartips are 12mm long and should be inserted deeply in the ear canals so that the outside edges of the eartips are 2-3 mm past the entrance of the ear canal.
Consistent insertion depth is important for the test repeatability above 8 kHz.
Instruction of Use
- Examine the ear canal for obstruction or excessive cerumen.
- Examine the eartip and the sound-delivery tubes to ensure they are not blocked.
- Insert the clear tubing of the foam eartip completely onto the tip of the sound tube.
- Roll the foam tip to a size that will fit the ear canal.
- Insert the eartip well into the ear canal. Interaural attenuation is improved with deep insertion.
- Allow foam to expand to acoustically seal the ear canal.
- Eartips are single-use only.
- Replace the sound tubes if they crack, harden, discolor or otherwise appear unusable.
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