Welch Allyn REF 29400 User Manual

Page 47

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Welch Allyn OAE Hearing Screener Directions for Use 705353 Rev E

46


Environmental Specifications


Temperature


Operating: 15 to 40 degrees C

Storage: -20 to 70 degrees C


Humidity


Operating: 15% to 95% @ 40 degrees C non-condensing

Storage: 90% @ 65 degrees C

Note: These are maximums and should not be considered 'normal'

operating or storage environments.


Condensation


Recovery Time after condensation to operational specification: 24 Hours


Flammability


UL94 HB


EMC Guidance and Manufacturer’s Specifications

Electromagnetic Emissions

The REF 29400 Series OAE Hearing Screener is intended for use in the electromagnetic
environment specified below. The customer or user of the REF 29400 Series OAE Hearing
Screener should assure that it is used in such an environment.

Emissions Test

Compliance

Electromagnetic Environment - Guidance

RF emissions
CISPR 11

Group 1

The REF 29400 Series OAE Hearing Screener uses RF energy
only for its internal function. Therefore, its RF emissions are
very low and are not likely to cause any interference in nearby
electronic equipment.

RF emissions
CISPR 11

Class B

Harmonic
emissions IEC
61000-3-2

Class A

Voltage
fluctuations/
flicker emissions
IEC 61000-3-3

Complies

The REF 29400 Series OAE Hearing Screener is suitable for
use in all establishments, including domestic establishments
and those directly connected to the public low-voltage power
supply network that supplies buildings used for domestic
purposes.

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