sewerin Stethophon 04 Manuel utilisateur
Operating
Instructions
Stethophon® 04
Measurable success by Sewerin equipment
You settled on a precision instrument.
A good choice!
Our equipment stands out for guaranteed safety, optimal output and
efciency.
They correspond with the national and international guide-lines.
These operating instructions will help you to handle the instrument
quickly and competently.
Please pay close attention to our operating instructions before usage.
In case of further queries our staff is at your disposal at any time.
Yours
Hermann Sewerin GmbH
Robert-Bosch-Straße 3
33334 Gütersloh, Germany
Tel.: +49 5241 934-0
Fax: +49 5241 934-444
www.sewerin.com
info@sewerin.com
Sewerin Ltd.
8, Walsworth Road
Hitchin
Hertfordshire
SG4 9SP, UK
phone:+44 1462-634363
www.sewerin.co.uk
info@sewerin.co.uk
Sewerin USA, LLC
13551 W. 43rd Drive, Unit R
Golden, CO 80403-7272
phone:+1 303-424-3611
fax: +1 303-420-0033
www.sewerin.net
jerry.palmer@sewerin.net
SEWERIN Sarl
17, rue Ampère - BP 211
67727 HOERDT CEDEX, France
Tél. : +33 3 88 68 15 15
Fax : +33 3 88 68 11 77
www.sewerin.com
sewerin@sewerin.fr
SEWERIN IBERIA S.L.
c/ Cañada Real de Merinas, 17
Centro de Negocios „Eisenhower“
Edicio 5; Planta 2 - C
28042 Madrid, España
Tel.: +34 91 74807-57
Fax: +34 91 74807-58
www.sewerin.com
info@sewerin.es
Illustration Stethophon 04 – Setup
Headphones socket
Sensor tip
for picking up the oscillations
can be unscrewed
Microphone socket
for connecting an external micro-
phone
Display
Loudspeaker key
start/stop measuring
turn off noise
Up-arrow key
amplify volume, lter stage, values in
the basic settings
Down-arrow key
lower volume, lter stage, values in the
basic settings
Filter key
change lter stage
ON/OFF key
turning device on/off
Bar
for fastening the carrying strap
Display – Explanation of the symbols and abbreviations
Reading (current minimum level)
Volume, also: frequency range
Missing segment symbolises selected
volume or visible segments symbolise
frequency range let through
Status notication, also: menu item /
last reading / lter stage
Filter symbol
Filter stage can be changed
Loudspeaker symbol (crossed out)
Measuring ready to start
Noise stopped
Battery symbol
Current capacity of the batteries/
rechargeable batteries; the more seg-
ments are visible, the greater the avail-
able remaining capacity
Note:
All gures (except for zero) in the displays are ex-
amples. You usually get other gures when working
with the device.
Abbreviations:
Status notica-
tion/Menu item
Abbreviation for See
APF Auto Power Off Chap. 3.5
BAT Battery Chap. 3.5
END End Chap. 5
LDS Loudspeaker Chap. 5.2
MIC External microphone Chap. 4.3.2
PRO Protect (threshold value hearing protection) Chap. 5.2
RES Reset (factory settings) Chap. 5.2
SET Setup Chap. 5.1
VOL Volume (hearing protection) Chap. 5.2
Operating Instructions
30.07.2006 – 104854 – en
Stethophon® 04
Warranty & Used symbols
To ensure reliable operation and safety, it is required to pay attention to
the following notes.
Hermann Sewerin GmbH is not liable for damage caused by failure to
comply with these notes. The guarantee and liability conditions of the sales
and delivery conditions of Hermann Sewerin GmbH are not extended by
the following notes.
This product may only be taken into operation after reading thoroughly
the accompanying operating instructions.
This product may only be used for intended applications.
This product is destined for industrial and commercial applications.
Repairs may only be performed by the manufacturer or appropriately
trained staff.
The manufacturer is not liable for damage resulting from arbitrary modi-
cations of the product.
Only spare parts may be used which are approved by Hermann Sewerin
GmbH.
Only approved battery types may be used.
Technical changes within the scope of further development reserved.
Used symbols:
CAUTION!
This symbol is used to indicate dangers which may
either result in hazards for the operators or in severe
damage – or even destruction – of the product.
Note:
This symbol is used to call attention to information
and tips which may be helpful and which are exceed-
ing the basic operating procedures.
I
Contents Page
1 Intended purpose ....................................................................1
2 Safety instructions..................................................................2
3 Things worth knowing about the device...............................3
3.1 Setup.........................................................................................3
3.2 Operative ranges.......................................................................3
3.3 Factory settings.........................................................................3
3.4 Hearing noises ..........................................................................4
3.4.1 Setting the volume .................................................................5
3.4.2 Automatic hearing protector ...................................................6
3.4.3 Turn off noise .........................................................................6
3.5 Automatic switchoff ...................................................................7
3.6 Display illumination ...................................................................7
4 Measuring ................................................................................8
4.1 Turn the device on (measuring mode) ......................................8
4.2 This is the way to check ...........................................................8
4.2.2 What you need to know about the noise picked up..............10
4.2.3 What you need to know about the indicated reading ..........10
4.3 This is how you affect readout quality ..................................... 11
4.3.1 Change lter stage ...............................................................12
4.3.2 Use external microphone .....................................................14
4.3.3 Extend sensor tip .................................................................15
5 Basic settings........................................................................16
5.1 This is the way to work in the basic settings ...........................16
5.2 What can be set? ....................................................................18
6 Maintenance and care...........................................................20
6.1 Overview: ................................................................................20
6.2 Simple functional test (fault search) ........................................20
6.3 Battery or rechargeable battery change..................................21
7 Specications........................................................................22
8 Hints on Disposal..................................................................23
9 Accessories ...........................................................................24
1
1 Intended purpose
1 Intended purpose
The Stethophon 04 is an electro-acoustic listening device for
tracing leaks.
The device’s sensor tip picks up the intrinsic oscillations of the
object of investigation. Following internal oscillation strengthen-
ing, the Stethophon 04 displays a relative reading and emits the
attendant noise via the headphones.
Fields of use:
Detecting leaks in the water distribution network
Inspection of house service lines
Examination and localization of defects in compressed air
systems
Looking for defects in heating and sanitary installations in
buildings
Check on bearings in machinery
2
2 Safety instructions
2 Safety instructions
Personal risks (health hazard)
The device’s sensor tip could injure both yourself and others.
Thus make sure you handle the device properly in transport
and when measuring.
The device has an automatic hearing protection function. Even
so, only select that volume needed for noise analysis. Over-loud
noises may permanently damage your listening!
Risks for the device
Do not drop the device. Otherwise the internal microphone
might get damaged.
Never open the housing (exception: battery compartment).
Otherwise this would invalidate any guarantee claims.
Treat the device with particular care when using an extension
for the sensor tip. Mechanical loading of the extended sen-
sor tip might lead to forces arising that could ruin the internal
microphone.
3
3 Things worth knowing about the device
3 Things worth knowing about the device
3.1 Setup
Overviews with
Designation of all Stethophon 04 parts and
Explanation of the symbols/abbreviations on the display
can be found on the inside pages of the front cover
3.2 Operative ranges
The device has two operative ranges:
Measuring > see Chapter 4
Basic settings > see Chapter 5
No change is possible directly from measurement to the basic
settings. The device needs to be turned off beforehand.
3.3 Factory settings
All menu items of the basic settings are set to “0”. The lter stage
is “5”.
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1
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