BRUEL & KJAER 4185 User manual

USER MANUAL

EarSimulatorforTelephonometry

Type4185

BR 2309 – 11

English

www.bksv.com ©Brüel&Kjær.Allrightsreserved.

ËBR-2309---CÎ BR 2309 – 11

BR 230911

September2015

www.bksv.com

EarSimulatorforTelephonometry

Type4185

UserManual

HealthandSafetyConsiderations

This apparatus has been designed and tested

in accordance with IEC/EN 61010–1 and

ANSI/UL 61010–1

Safety Requirements for

Electrical Equipment for Measurement,

Control and Laboratory Use

. This manual

contains information and warnings which

must be followed to ensure safe operation and

to retain the apparatus in safe condition.

SafetySymbolsandSignalWords

Used

The apparatus will be marked with

this symbol when it is important that

you refer to the associated danger

or warning statement given in this

manual

The manual uses this symbol when a

danger or warning statement is

applicable

Hazardous Voltage/Electricity. Both

the apparatus and manual use this

symbol when there is a risk for shock

or electrocution

Hot Surface. This manual will use

this symbol when there is a risk for

burning or scolding

Earth (Ground) Terminal. The

apparatus will be marked with this

symbol when applicable

Protective Conductor Terminal. The

apparatus will be marked with this

symbol when applicable

Alternating Current. The apparatus

will be marked with this symbol

when applicable

Danger Signals an imminent hazardous

situation, which, if not avoided, will

result in death or serious injury

Warning Signals a possibly hazardous

situation, which, if not avoided, will

result in death or serious injury

Caution Signals a hazardous situation,

which, if not avoided, could result in

minor or moderate injury or

damage to the apparatus

Notice Signals a situation or practice that

requires attention, but does not

directly result in personal injury if

ignored

RisksandHazards

ExplosionHazards

Danger: The apparatus is not

designed to be used in potentially

explosive environments. It should

not be operated in the presence of

flammable liquids or gases

ElectricalHazards

Warning: Any adjustment,

maintenance and repair of the open

apparatus under voltage must be

avoided as far as possible and, if

unavoidable, must be carried out

only by trained service

Caution: Switch off all power to equipment

before connecting or disconnecting

their digital interface. Failure to do

so could damage the equipment

MechanicalHazards

Caution: Whenever it is likely that the correct

function or operating safety of the

apparatus has been impaired, it

must be made inoperative and be

secured against unintended

operation

WasteHandling

Brüel & Kjær complies with the EU’s Waste

Electrical and Electronic Equipment

(WEEE) Directive, which issues the

following waste handling instructions:

• Do not dispose of electronic

equipment or batteries as

unsorted municipal waste

• It is your responsibility to

contribute to a clean and healthy

environment by using the

appropriate local return and

collection systems

• Hazardous substances in

electronic equipment or batteries

may have detrimental effects on

the environment and human

health

• The symbol shown to the left

indicates that separate collection

systems must be used for any

discarded equipment or batteries

marked with that symbol

• Waste electrical and electronic

equipment or batteries may be

returned to your local

Brüel & Kjær representative or to

Brüel & Kjær Headquarters for

disposal

Brüel & Kjær has made every effort to ensure

the accuracy of the information contained in

this document. No responsibility is accepted

for any errors or omissions herein. It is the

responsibility of the user to ensure compliance

with any legal or statutory requirements in the

country of use. Data may change, as well as

legislation, therefore you are advised to obtain

copies of the most recently issued applicable

regulations, standards and guidelines.

All descriptions, illustrations and any other

information relating to the product are made by

way of general description, are approximate

only and for the general guidance and

information of the user. They cannot be

construed to imply representation or warranty

as to their accuracy, currency or completeness

and are not intended to form the basis of any

contract.

The information in this document does not

constitute a warranty, representation or

guarantee concerning the suitability or

performance of the product.

Brüel & Kjær shall not be liable for any loss

whether direct, indirect, incidental or

consequential arising from the use of or

reliance upon any of the content of this

document, regardless of whether such content

has been accurate or complete. Brüel & Kjær

will not pay any damages whether for loss or

injury, punitive or otherwise, because of use of

or reliance upon any of the content in this

document.

Brüel & Kjær and all other trademarks, service

marks, trade names, logos and product names

are the property of Brüel & Kjær or a third-

party company. Nothing in this document may

be construed as granting, by implication, or

otherwise any license or right to use any of the

trademarks without a prior written permission

of Brüel & Kjær or the owner of such

trademark.

Brüel & Kjær Sound & Vibration

Measurement A/S

DK-2850 Nærum · Denmark

For service and support, contact your nearest

Brüel & Kjær Customer Care support team:

Headquarters: [email protected],

+45 7741 2400

China (Beijing): +86 10 59935811

France: [email protected]m,

+33 1 69 90 71 02

Germany: bkservic[email protected],

+49 421 17 87 0

Italy: [email protected], +39 02 5768061

Japan: [email protected], +81 3 6810 3500

The Americas: [email protected],

+1 770 209 6907

Spain: [email protected],

+34 91 659 08 20

UK & Ireland: ukservi[email protected],

+44 1223 389800

Go to www.bksv.com/contact for contact

information to our other global offices.

Contents

CHAPTER1

Description.........................................................................................1

1.1 What’sintheCase ........................................................................2

1.2 TypicalConfiguration ....................................................................4

CHAPTER2

Calibration..........................................................................................5

2.1 AcousticImpedance......................................................................5

2.2 FrequencySensitivityResponse....................................................6

2.3 AbsoluteSensitivity.......................................................................8

2.4 CalibratingType4185 ...................................................................9

CHAPTER3

HandlingtheEarSimulator............................................................... 11

3.1 AssemblingType4185 ................................................................11

3.2 AdjustingtheEarSimulatorForce ..............................................12

3.3 ProtectingtheEarSimulator.......................................................13

3.4 MoreInformation .......................................................................13

CHAPTER4

AcousticPropertiesoftheCoupler ................................................... 15

4.1 EquivalentDiagrams ...................................................................15

CHAPTER5

Specifications ...................................................................................19

CHAPTER6

Glossary ...........................................................................................21

1EarSimulatorforTelephonometryType4185

UserManual

Chapter1

Description

Fig.1.1 EarSimulatorforTelephonometryType4185

Ear Simulator for Telephonometry Type 4185 isdesigned for telephone

measurements requiring an IEC 60318–1 coupler. Type 4185 converts

the acoustic signal from an earphone into an electrical equivalent that

takes into account the response of the human ear. It enables

electroacoustic measurements on telephone handsets to be carried

out under well-defined acoustical conditions.

Type 4185 fulfils the requirements of Rec. ITU-T P.57 Type 1 and

IEC 60318–1 as well as all relevant ITU-T, IEEE and BS

recommendations.

What’sintheCase

2EarSimulatorforTelephonometryType4185

UserManual

1.1 What’sintheCase

In the carrying case, you receive all the necessary parts for Ear Simulator

for Telephonometry Type 4185:

Fig.1.2 PartsofType4185

• Low-noise Cable AO-0122-D-030, for the miniature sound source (A)

• 4 × Soft Seal YJ-0431 (B)

• Adaptor Sleeve for Acoustic Coupler DB-1164 (C)

• Microphone Cable AO-0419, LEMO to LEMO (D)

•½Condenser Microphone Type 4192 attached to ½Microphone

Preamplifier Type 2669 (E)

• BNC Input Adaptor JP-0145 (F)

• Ring for Acoustic Coupler DB-1160 attached to Acoustic Coupler

UA-1110*(G)

•CouplerDataDisk(H)

*Acoustic Coupler UA-1110 is delivered with 1 × Soft Seal YJ-0431 and

1 × Black Collar YJ-0430 already attached

FGH

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