You settled on a precision instrument.
A good choice!
Our equipment stands out for guaranteed safety, optimal output and efficiency .
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
The law governing technical equipment (the Law on the Safety of Appliances)
of 24.06.1968 (BGBl.I, page 717) as amended by the Amendment Law of
13.08.1979 (BGBl.I, page 1432) requires the following matters to be drawn
to your attention:
Comply with the Operating InstructionsComply with the Operating Instructions
Comply with the Operating Instructions.
Comply with the Operating InstructionsComply with the Operating Instructions
Before operating or adjusting the appliance you must be thoroughly familiar
with this operating manual. You must comply with it in every respect.
The appliance is designed only for the application described and for
industrial (commercial) use.
Liability for Function and/or DamageLiability for Function and/or Damage
Liability for Function and/or Damage
Liability for Function and/or DamageLiability for Function and/or Damage
Liability for the functioning of the appliance passes to the owner or operator
in all cases in which the appliance has been improperly maintained or
repaired by persons not associated with SEWERIN Service or if it has been
used for a purpose not in accordance with its designated application.
You should therefore always use original SEWERIN accessories with the
EX-TEC® SR 5, SR4, SR2 and VARIOTEC® 8.
Hermann Sewerin GmbH accepts no responsibility for damage due to a
failure to comply with the foregoing instructions. The guarantee and liability
terms of the Hermann Sewerin GmbH terms of sale and supply are not
extended by the foregoing.
We reserve the right to make technical changes in the course of continued
development.
HERMANN SEWERIN GMBH
*All references to laws, statutes and norms relate to the legislation of the Federal Republic of
The EX-TEC® SR5, EX-TEC® SR4 and EX-TEC® SR2 models are explosion-
proof in accordance with European norms (CENELEC):
EC prototype test certificate:PTB 96 ATEX 2166
Classification: II 2 G EEx ib d IIB T4
Test institute:Physikalische-Technische
Bundesanstalt, Braunschweig
Active explosion protectionActive explosion protection
Active explosion protection
Active explosion protectionActive explosion protection
The EX-TEC® SR5 and EX-TEC® SR4 have also been tested for
functional safety in the Workplace Monitoring (WPM) field:
Test report:PFG no. 41300897
Test institute:DMT-Gesellschaft für Forschung
und Prüfung mbH, Essen
The test certificates can be found on and after page 43.
8
1.21.2
Probe systemsProbe systems
1.2
Probe systems
1.21.2
Probe systemsProbe systems
- Probes for the survey of gas distributions networks -- Probes for the survey of gas distributions networks -
- Probes for the survey of gas distributions networks -
- Probes for the survey of gas distributions networks -- Probes for the survey of gas distributions networks -
Carpet probeCarpet probe
Carpet probe
Carpet probeCarpet probe
for checking stable surfaces.
The sample is drawn into an
excrescence in a neoprene mat
in contact with the surface with no
extraneous emissions.
Bell probe,Bell probe,
Bell probe,
Bell probe,Bell probe,
telescopic bell probetelescopic bell probe
telescopic bell probe
telescopic bell probetelescopic bell probe
for checking unstable and
overgrown surfaces.
It can be used in confined
spaces, e.g. between parked
cars or in front gardens.
- Probes for localisation -- Probes for localisation -
- Probes for localisation -
- Probes for localisation -- Probes for localisation -
Search probeSearch probe
Search probe
Search probeSearch probe
for measuring concentrations in
probe holes,
with a rigid rubber cone to seal
off the probe hole,
2 different probe tips (length 245
mm or 345 mm),
carbon-dioxide filter to filter out
traces of CO
2
9
- Probes for hollow spaces -- Probes for hollow spaces -
- Probes for hollow spaces -
- Probes for hollow spaces -- Probes for hollow spaces -
Floating probeFloating probe
Floating probe
Floating probeFloating probe
for measuring concentrations in
pits,
with suction vent and hose
connection
Divisible handprobeDivisible handprobe
Divisible handprobe
Divisible handprobeDivisible handprobe
for the detection of leaks in pipes
installed in poorly accessible places,
measuring of concentration in containers, overall length 900 mm
- Probes for house service lines -- Probes for house service lines -
- Probes for house service lines -
- Probes for house service lines -- Probes for house service lines -
Flexible hand probesFlexible hand probes
Flexible hand probes
Flexible hand probesFlexible hand probes
for the detection of leaks in
house service lines, handle with
flexible swan neck and probe
hose, overall lengths 360 mm or
660 mm
☞
Except with the carpet probe , a probe hoseExcept with the carpet probe , a probe hose
Except with the carpet probe , a probe hose
Except with the carpet probe , a probe hoseExcept with the carpet probe , a probe hose
should always be used should always be used
should always be used
should always be used should always be used
withwith
a hydrophobic filter ! a hydrophobic filter !
with
a hydrophobic filter !
withwith
a hydrophobic filter ! a hydrophobic filter !
10
2.02.0
Measuring operationMeasuring operation
2.0
Measuring operation
2.02.0
Measuring operationMeasuring operation
☞
ItemItem
Item
ItemItem
1alarm lampoptical warning
2LCD displaydisplay of gas
3probe connectionconnection to the probes
4buttonboardoperating the detector
Please fold out the illustration inside thePlease fold out the illustration inside the
Please fold out the illustration inside the
Please fold out the illustration inside thePlease fold out the illustration inside the
front cover !front cover !
front cover !
front cover !front cover !
DescriptionDescription
Description
DescriptionDescription
FunctionFunction
Function
FunctionFunction
when alarm thresholds are
exceeded
concentrations and
operating conditions
described
5harnessfor portable systems
6outletfor gas sample
7buzzeracoustic warning
when alarm thresholds are
exceeded
2.12.1
Switching onSwitching on
2.1
Switching on
2.12.1
Switching onSwitching on
• press the
detection mode) or
(workplace-monitoring mode, p.
16 ff.) for approx. 2 seconds
• optical and acoustic control signal
(items 1 and 7) operate for approx.
2 seconds
on/off buttonon/off button
on/off button (gas-
on/off buttonon/off button
WPM button WPM button
WPM button
WPM button WPM button
11
• display of available operating
hours in the form of bars (e.g. 5
hours)
• the integral pump operates at
maximum power
• wait until the zero point has
established itself in fresh air
(approx. 2-3 minutes):
EX-TEC® SR5 and VARIOTEC® 8:
0 PPM0 PPM
☞
0 PPM
0 PPM0 PPM
2.22.2
Illumination and contrastIllumination and contrast
2.2
Illumination and contrast
2.22.2
Illumination and contrastIllumination and contrast
(after flashing stops)
EX-TEC® SR4 and EX-TEC® SR2:
0,0 %VOL0,0 %VOL
☞
0,0 %VOL
0,0 %VOL0,0 %VOL
• pressing the
switches the LCD illumination on
and off
• the illumination automatically
switches off approx. 4 minutes
after being switched on
light buttonlight button
light button
light buttonlight button
12
• simultaneously pressing the light
andand
button
increases or reduces the contrast
of the LCD display
and a cursor button
andand
2.32.3
Pump operationPump operation
2.3
Pump operation
2.32.3
Pump operationPump operation
• pressing the
switches the pump on and off
• the corresponding symbol
appears in or disappears from
the LCD display (item 2)
• this enables the pump function to
be checked
pump buttonpump button
pump button
pump buttonpump button
☞
Altering the pump powerAltering the pump power
Altering the pump power
Altering the pump powerAltering the pump power
(available only on the (available only on the
(available only on the EX-TEC® SR5
(available only on the (available only on the
• simultaneously pressing the
pump button
button increases or reduces the
pump power
gas detectiongas detection
☞
gas detection
gas detectiongas detection
for above-ground gas detection
(pipeline monitoring) always use
maximum pump powermaximum pump power
maximum pump power
maximum pump powermaximum pump power
house service lineshouse service lines
☞
house service lines
house service lineshouse service lines
) !) !
) !
) !) !
andand
and one cursor
andand
for detecting leaks in pipelines
inside buildings always use
minimum pump powerminimum pump power
minimum pump power
minimum pump powerminimum pump power
13
2.42.4
Alarm signal and volumeAlarm signal and volume
2.4
Alarm signal and volume
2.42.4
Alarm signal and volumeAlarm signal and volume
• pressing the
signal buttonsignal button
signal button
signal buttonsignal button
switches the alarm signal on and
off
• the corresponding symbol
appears in or disappears from
the LCD display (item 2)
• this enables the alarm signal to
be checked
• simultaneously pressing the
signal button
andand
and one cursor
andand
button increases or reduces the
buzzer volume (item 7)