sewerin EX-TEC Combi User manual
Operating
Instructions
Measurable success by Sewerin equipment
Congratulations.
You have chosen a quality instrument manufactured by Hermann
Sewerin GmbH.
Our equipment will provide you with the highest standards of perfor-
mance, safety and efficiency. They correspond with the national and
international guide-lines.
Please read and understand the following operating instructions before
using the equipment; they will help you to use the instrument quickly and
competently. If you have any queries we are available to offer advice
and assistance 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“
Edificio 5; Planta 2 - C
28042 Madrid, España
Tel.: +34 91 74807-57
Fax: +34 91 74807-58
www.sewerin.com
info@sewerin.es
Illustration EX-TEC Combi
EX-TEC® Combi
Device variation 1
Device variation 2
EX-TEC® Combi
100%
Brief operating instructions
EX-TEC Combi: brief operating instructions
Switch on/off
Toggle between GAS WARNING/GAS
MEASUREMENT operating modes
(Device variation 2)
Device variation 1: Toggle between
GAS WARNING/GAS MEASURE-
MENT operating modes
Switch pump on/off
(in GAS MEASUREMENT mode)
Toggle between automatic/manual gas
switching
Change the gas displayed (in manual
operation)
Zero-point correction for the gas dis-
played
Display gas alarm thresholds AL1 and
AL2
Acoustic clearance of the AL1 alarm
Switch LCD illumination on/off (switches
off automatically after about 4
Operating Instructions
15.06.2005 – V2.X – 103401 – en
EX-TEC® Combi
For your safety
This product may only be operated by appropriately-trained persons who
are familiar with the relevant operating manual.
It may only be used for its designated purpose, i.e. for industrial and com-
mercial use.
Repair work may only be carried out by specialists or by persons who have
undergone appropriate training.
Any alterations or modifications to the product require the prior approval of
Hermann Sewerin GmbH. In the event of unauthorised alterations to the
product the manufacturer accepts no liability for damage.
Only Hermann Sewerin GmbH accessories may be used with the product.
Only spare parts approved by us may be used for repairs.
Hermann Sewerin GmbH accepts no liability for damage resulting from
non-compliance with the foregoing. The guarantee and liability provisions
in the Hermann Sewerin GmbH terms of sale and supply are not extended
by the foregoing.
We reserve the right to make changes in the context of continued techni-
cal development.
In addition to these instructions, please comply with generally applicable
safety and accident-prevention regulations!
Symbols used:
CAUTION!
This symbol warns of dangers that may threaten
the safety of the user or maty damage or destroy
the product.
Note:
This symbol flags information and hints extending
beyond the actual operation of the product .
This symbol will hereinafter identify all operating
modes and measuring techniques not tested by
DMT!
(⊗)
I
Contents Page
1 EX-TEC Combi system ...........................................................1
1.1 Excess-gas warning and measuring instrument .......................1
1.2 Fields of application ..................................................................2
1.3 Test certificates .........................................................................4
1.4 Carrying equipment ...................................................................5
2 Safety .......................................................................................6
2.1 Safety notes ..............................................................................6
3 Measuring operation ...............................................................8
3.1 Instrument description ...............................................................8
3.2 Switching on ..............................................................................9
3.3 Modes .....................................................................................13
3.4 Switching gases ......................................................................15
3.5 Alarms .....................................................................................16
3.6 Instantaneous value alarms (AL1, AL2, AL3) ..........................17
3.7 Short-term value alarm (KZW), long-term value alarm (LZW),
minimum and maximum values (MIN/MAX) ............................23
3.8 Zero point adjustment .............................................................26
3.9 Illumination and contrast .........................................................26
3.10 Operating hours display and battery alarm .............................27
3.11 Switching off ............................................................................28
4 Charging ................................................................................29
4.1 Charging and charge maintenance .........................................29
4.2 Self-discharge .........................................................................30
5 Testing/maintenance .............................................................31
5.1 Function testing, testing display accuracy, maintenance ........32
5.2 Test set ....................................................................................34
5.3 Test gases ...............................................................................35
5.4 Testing the pump power, zero point and sensitivity .................37
II
Contents Page
6 Info menu ...............................................................................39
6.1 Menu structure ........................................................................39
6.2 Overview .................................................................................40
7 Adjustment menu ..................................................................43
7.1 Menu structure ........................................................................43
7.2 Setting the H2S sensor ............................................................44
7.3 Setting the CO sensor .............................................................45
7.4 Setting the O2 sensor ..............................................................46
7.5 Setting the CO2 sensor ............................................................47
7.6 Setting the CH4 sensor ............................................................48
7.7 Setting the measurement quantity ..........................................50
7.8 Setting the test gas concentration ...........................................51
7.9 Inspection confirmation ...........................................................54
7.10 Leaving the adjustment menu .................................................55
8 Memory menu ........................................................................56
8.1 Menu structure ........................................................................56
8.2 Clearing memory .....................................................................57
8.3 Setting the memory interval ....................................................58
8.4 Setting the memory mode .......................................................60
8.5 Setting the short-term value interval .......................................61
8.6 Leaving the memory menu ......................................................62
9 System menu .........................................................................63
9.1 Menu structure ........................................................................63
9.2 Setting the date/time ...............................................................64
9.3 Setting the inspection interval .................................................66
9.4 Setting the inspection block ....................................................69
9.5 Setting the 100 vol.% range ....................................................70
9.6 Setting the PIN code ...............................................................71
9.7 Setting the alarm thresholds ..................................................73
9.8 Checking the LCD ...................................................................77
9.9 Leaving the system menu .......................................................77
III
Contents Page
10 Application hints ...................................................................78
10.1 Application hints from report of suitability examination
PFG-No. 41300401P ...............................................................78
11 Technical aspects .................................................................80
11.1 Technical notices .....................................................................80
11.2 Technical data .........................................................................82
11.3 Error messages .......................................................................93
11.4 Error and Alarm properties ......................................................97
11.5 Wearing Parts .........................................................................98
11.6 Spare parts ..............................................................................98
11.7 EC-Sensor Disposal ................................................................98
12 Hints on Disposal ..................................................................99
13 Delivery variants and accessories ....................................100
13.1 Delivery variants ....................................................................100
13.2 Accessories ...........................................................................101
Appendix ............................................................................................108
EC-type-examination certificates .........................................................108
Declaration of Conformity .................................................................... 118
Inspection protocols ............................................................................ 119
1
1 EX-TEC Combi system
1 EX-TEC Combi system
1.1 Excess-gas warning and measuring instrument
The EX-TEC Combi is a com-
bined warning and measuring
instrument for a number of diffe-
rent gases. It consists of:
the basic instrument, incorpo-
rating a pump and a data
memory for documentation
purposes
4 sensor sockets for the mea-
surement of up to 5 different
gases
The following sensors are availa-
ble:
methane CH4 or propane C3H8
or nonane C9H20 (*)
carbon dioxide CO2
oxygen O2
hydrogen sulphide H2S
carbon monoxide CO
combined H2S/CO sensor
(*) This operating manual only describes methane mea-
surement!
Table of contents
Other sewerin Measuring Instrument manuals
sewerin
sewerin Multitec 545 User manual
sewerin
sewerin EX-Tec HS 680 User manual
sewerin
sewerin FLIS-EX User manual
sewerin
sewerin EX-TEC PM 4 User manual
sewerin
sewerin VARIOTEC 480 EX User manual
sewerin
sewerin Multitec 520 User manual
sewerin
sewerin Stethophon 04 User manual
sewerin
sewerin VARIOTEC 460 Tracergas User manual
sewerin
sewerin UT 9000 User manual
sewerin
sewerin miniLec 4 User manual
