mru MGAprime User Manual
9452EN-PR
MGA
prime
USER MANUAL
MRU
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Version 1
Legal notices / Intellectual property rights comments
Original user manual
© 2018 by MRU
No part of this manual my be published in any form (print, photocopy, electronic media or
any other publication form) without a written approval by the publisher.
All user trade marks and name mark descriptions, even those which are not marked as such,
are properties of the respective owners.
Edition: 2018-05-04, V01
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Content
1 Introduction ................................................................................................................................. 5
1.1 Intended use .......................................................................................................................................5
1.2 About us ............................................................................................................................................... 6
2 Information for product and safety ......................................................................................... 7
2.1 Safety manual ....................................................................................................................................7
2.2 Safety precautions ............................................................................................................................ 7
3 Description ................................................................................................................................... 8
3.1 Task ........................................................................................................................................................8
3.2 Gas ow diagram .............................................................................................................................. 8
3.3 The measuring instrument ............................................................................................................ 9
3.4 Connectors ....................................................................................................................................... 10
3.5 Probes ................................................................................................................................................ 10
3.6 Gas sampling probe “TR” ............................................................................................................. 11
3.7 Gas conditioning ............................................................................................................................ 11
3.8 IR measurement ............................................................................................................................. 12
4 Operation .................................................................................................................................... 13
4.1 Commissioning ............................................................................................................................... 13
4.2 Switch on .......................................................................................................................................... 13
4.3 Switch o / Reset ........................................................................................................................... 13
4.3.1 Switch o ................................................................................................................................. 13
4.3.2 Reset .......................................................................................................................................... 13
4.4 Operating panel ............................................................................................................................. 14
5 Settings ....................................................................................................................................... 15
5.1 Analyzer settings ............................................................................................................................ 15
5.2 Setting time and date .................................................................................................................. 16
5.3 Conguration of measurement program ............................................................................. 16
5.4 Gas ow measurement ................................................................................................................ 18
6 Measurement ............................................................................................................................. 19
6.1 Preparation of each measurement .......................................................................................... 19
6.1.1 Power supply .......................................................................................................................... 19
6.1.2 Charging state of the battery ........................................................................................... 19
6.1.3 Connections to the instrument ....................................................................................... 19
6.1.4 Operating temperature ...................................................................................................... 20
6.1.5 Filter ........................................................................................................................................... 20
6.1.6 Switch-on, warm-up phase, zero point ......................................................................... 20
6.1.7 Instrument leak test ............................................................................................................. 21
6.2 How to take a Measurement...................................................................................................... 21
6.2.1 Fuel type selection and O2 reference ............................................................................. 21
6.2.2 Store the measurement results ....................................................................................... 22
7 Maintenance and cleaning ...................................................................................................... 23
7.1 Cleaning and maintenance ........................................................................................................ 23
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8 Data memory.............................................................................................................................. 24
8.1 Organization of the Data memory .......................................................................................... 24
8.2 Information about the data memory ..................................................................................... 24
8.3 Site administration ........................................................................................................................ 24
8.4 Data transfer via USB (CSV export) .......................................................................................... 26
8.5 Export of measurements ............................................................................................................. 26
9 Extras ........................................................................................................................................... 27
9.1 Access key ......................................................................................................................................... 27
9.2 Internal Log Settings .................................................................................................................... 27
9.3 Service values .................................................................................................................................. 28
9.4 Analog output setup (4 – 20 mA) ............................................................................................. 28
9.4.1 Setting of lower limit (4 mA): ............................................................................................ 29
9.4.2 Setting of upper limit (20 mA): ........................................................................................ 29
9.4.3 Setting analog outputs during zeroing ........................................................................ 29
9.4.4 Pin assignment of the 4-20 mA interface ..................................................................... 30
9.5 Info ...................................................................................................................................................... 30
9.6 Options .............................................................................................................................................. 30
10 Information on the instrument components ....................................................................... 31
10.1 Firmware update ............................................................................................................................ 31
11 Specications ............................................................................................................................. 32
11.1 NDIR measured values ................................................................................................................. 32
11.2 Technical data ................................................................................................................................. 32
11.4 Gas sampling and conditioning ............................................................................................... 33
11.4.1 Electrochemical-, temperature- and pressure sensors ........................................... 33
11.5 Calculated values ........................................................................................................................... 34
11.5.1 Data communication........................................................................................................... 34
11.5.2 Analysis and calculations ................................................................................................... 34
11.6 Fuel types .......................................................................................................................................... 35
12 Appendix ..................................................................................................................................... 36
12.1 Error diagnosis regarding the measuring instrument ...................................................... 36
12.2 Insert a static IP-address .............................................................................................................. 37
12.2.1 Settings for the software MRU4win ............................................................................... 39
12.3 Spare parts ....................................................................................................................................... 41
13 Declaration of conformity ........................................................................................................ 42
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Introduction
1 Introduction
y This manual enables you to understand and safely operate this MRU
Analyzer MGAprime.
y Please read this manual with great vigilant and get familiar with the
product before using it.
y This analyzer may only be operated by competent personnel and for its
intended use.
y Please pay special attention to all safety directions and warnings to
prevent personal injuries and damaging of the product.
y We can’t be held responsible for any injuries and/or damages that oc-
cur by not following the instructions in this manual.
y Always keep the manual near you when working with the analyzer, to
be able to read instructions as needed.
Please ensure to hand over all documents to when handing the analyzer over to others.
1.1 Intended use
The Analyzer MGAprime is designed for the gas analysis of ue gases,
as they are emitted from gas/oil burners, engines, or heating and power
appliances.
The instrument is intended to support the user in control and indicative
measurements in an ecient, accurate and reliable way
The analyzer is specically not intended as a safety device or personal
protective equipment; it should not be used as a warning device to warn
people against the presence of harmful gases.
The instrument was manufactured according relevant normatives and
regulations. It has to used within it’s intended use.
The Instrument must not be modied from the design or safety engineering.
Modications of any kind by the user will render the declaration of
conformity.
Syntax
Please note that this manual makes use of the scientic notation of gases
(NO2), while the instrument itself and it’s screen shots display the gases in
upper case letter only, i.e. (NO2).
This instrument meets the requirements of the valid
European and national regulations.
You can ind the declaration of conformity in the appendix.
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Introduction
1.2 About us
The Analyzer is produced by the MRU GmbH in Neckarsulm, Germany
(founded in 1984), a medium sized company that specializes in developing, producing and marketing high quality emission monitoring analyzers. MRU GmbH produces a wide range of instruments, from standard
analyzers up to tailor made industrial analyzers.
Plant 1: Sales, Service, R&D
Plant 2: Production
MRU GmbH
Fuchshalde 8 + 12
74172 Neckarsulm - Obereisesheim
GERMANY
Fon +49 71 32 99 62 0 (Zentrale)
Fon +49 71 32 99 62 61 (Kundendienst)
Fax +49 71 32 99 62 20
Email: info@mru.de
Internet: www.mru.eu
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Information for product and safety
2 Information for product and safety
2.1 Safety manual
All general information and safety precautions of MRU products are listed
in the supplied separate safety manual.
Therefore this manual must be read and observed before the rst use of
the instrument.
Instrument-specic safety and warning requirements in this manual are
prexed before dangerous actions.
2.2 Safety precautions
The used category’s of safety precautions are here explained once more.
Identies an immediate, impending hazard that, if ignored, will result in
severe bodily injuries or death.
DANGER
Identies an immediate, impending hazard that, if ignored, may result in
severe bodily injuries, material damage or death.
WARNING
Identies a possibly dangerous situation that, if ignored, may result in
minor injuries.
CAUTION
ATTENTION
Identies a possibly harmful situation that, if ignored, may result in damages to the device or its surroundings.
NOTE
Identies user tips and other especially important information.
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Description
3 Description
3.1 Task
The instrument is designed for the gas analysis of ue gases, as they are
emitted from gas/oil burners, engines, or heating and power appliances.
The instrument is intended to support the user in control and indicative
measurements in an ecient, accurate and reliable way
The instrument provides a full set of all equipment and sensors required
for a emission control measurement:
y heated probe incl heated lter
y heated sample line
y gas conditioning unit including lters and gas cooler
y gas pump and ow control
y gas sensors
Available accessories include sensors for temperature or ow measurement.
The user interface allows for a modern and intuitive way to operate the
instrument. Running a commercial LINUX operating system, it allows as
well for lot of options for data transfer and storage.
For an overview on all available options please refer to the company’s
home page or sales representatives.
3.2 Gas ow diagram
The analyzer draws a sample of the ue gases from the duct using a builtin gas pump through the probe is cleaned and dried using a gas cooler
and built-in lter and analyses the extracted gas with electrochemical
and NDIR sensors.
Draft and temperature are measured at the tip of the sampling probe.
A
B
C
D
E
F
2 3 5 2 6 7
11 9 24810
1
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Description
A Fresh air inlet B Sample gas inlet
C Condensate outlet D Di. Pressure connector
E Vent collection box F Vent outlet
1 Sample gas lter (PTFE) 2 Dust lter
3 Auto-zero solenoid valve 4 Sample gas pump
5 Double stage gas cooler 6 Sample ow sensor
7
Oxygen sensor
O2-ECS or O2 paramagnetic
8 Vent pump
9 Infrared (NDIR) bank 10 Acrodisc PTFE lter
11 Di. pressure sensor
3.3 The measuring instrument
The measuring instrument consists of a compact and robust metal housing with shock-absorbing rubber corners. All electrical and pneumatic
connections are located on the both front sides of the instrument. It is
operated exclusively via the touch-sensitive touch screen.
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3.4 Connectors
1 Loudspeaker 2 Ethernet (LAN)
3 USB socket 4 Second USB socket (Option)
5 RS485 (Option) 6 Analog outputs 4 ... 20 mA
7 Mains power supply 8 Sample gas lter
9
Condensate outlet port
Hose connection DN 4/6
10
Sample gas outlet port (VENT)
Hose connection DN 4/6
11 Fresh air inlet port 12 Sample gas inlet port
13 Outlet fan of gas cooler 14 Outlet fan of gas cooler
15 Pressure-/di. pressure 16
Pressure-/di. pressure
(Absolute pressure)
17 Combustion air temperature 18 AUX socket
3.5 Probes
The Analyzer is available with dierent probes, both with xed and exchangeable probe tubes.
y for high and less dust content
y for fuel temperatures up to 800 °C (stainless-steel probe tube),
y for fuel temperatures up to 1.200 °C (Inconel steel probe tube),
y for fuel temperatures up to 1.700 °C (ceramic probe tube)
y with and without heated pre-lter
y with and without heated gas sampling line
y probe tubes in dierent lengths, from 300mm to 2000mm
A complete list of available probes can be found in the current price list
of this analyzer.
16 1 2
4
5
6
8
9
10
11
12
13
15
14
7
17 18
3
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Description
3.6 Gas sampling probe “TR”
Heated probe with heated and exchangeable glass lter. The probe
tube includes a gas temperature sensor and is available in dierent
tube lenghts.
1 Probe handle 2 Probe tube
3 Fast locking coupling 4 Probe cone
5 Cable plug (14-pin) 6 Heated hose line
7 Cable coupler (5-pin) 8 Fast locking coupling
9 Filter lock
3.7 Gas conditioning
The sucked sample gas is dried and ltered before it is fed to the sensors.
A double stage sample gas cooler with Peltier element is used for drying. The condensate liquid appearing in the gas cooler is pumped to the
condensate outlet by means of a peristaltic pump. The condensate forms
drops at the outlet of the instrument.
Optionally, connect a hose (DN 4/6) to the condensate drain.
The VENT output delivers the sample gas after the analysis stage. If
For subsequent ltering, a round lter is used on the front of the measuring instrument.
1
5
6
7
8
9
2 3 4
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3.8 IR measurement
The instruments NDIR gas sensor is able to detect up to 8 dierent gases.
It is most advanced in terms of its long-term stability due to a dedicated
stabilization technology including a permanent zeroing by operating the
bench at two dierent gas pressure values.
Due to its low noise and being drift free, it is perfectly suited to longterm measurements.
Principle of the IR-bench (NDIR)
1 IR source 2 Gas entry
3 Sample gas cell 4 Gas exit
5 Band pass lter 6 IR detector
An infrared source delivers IR radiation in the wavelength range between
1 and 10 um, which is relevant for the absorption of gas components to
be measured.
The target gas absorbs a portion of the IR radiation, which is detected by
a wavelength selective detectors and the end of the sample gas cell.
The absorption value is correlated with the gas concentration, while all
eects of cross sensitivity to other gases are corrected by an internal
software algorithm.
As the IR bench is operated successively at two dierent gas pressure
values, it is possible to eliminate all drift eects, which would otherwise
contribute to the absorption signal.
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Operation
4 Operation
4.1 Commissioning
The instrument is delivered as a complete assembly ready for use.
f Check the instrument regarding condition and integrity after delivery.
f Connect the instrument to the power grid.
Ö The instrument switches on and start the operating system.
Ö Blue LEDs for ON and power supply are switched on.
Ö The instrument runs a start procedure which includes:
y self test
y warm-up of the NDIR bench
y cool down the double stage gas cooler, indicated by the symbol
y Zeroing, indicated by symbol
f Charge battery for more than 8h is recommended after rst start to
allow the battery to charge completely. Operation of heated probe and
sample line is only supported when connected to power grid.
Ö The battery is charged as soon as teh connection to power grid is
established.
Ö The blue LED will be blinking slowly.
Heating of probe and probe tube are unsupported in battery mode.
4.2 Switch on
f Touch the
⏻
button for 3 sec. minimum
Ö LED lights blue
f Release the ⏻ button
Ö LED lights red, analyzer runs up
4.3 Switch o / Reset
4.3.1 Switch o
f Touch the “Context menu” on the display
f “Turn instrument o”
Ö Do you wish to turn instrument o?
f “YES”
Ö “The system will shut down”
or
f Touch the
⏻
button
Ö Do you wish to turn instrument o?
Ö “YES”
Ö “The system will shut down”
4.3.2 Reset
f Touch the ⏻ button during ashing LED for 30 sec. minimum
f After change to continuous lighting, release the ⏻ button
Ö The instrument will switching o with reset
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Operation
4.4 Operating panel
All functions are controlled via the touch surface of the instrument. Different gestures are available in the individual menus and windows.
1 Power-on and reset
2 Reserve
3 Reserve
4 LED display mains operation/battery charging mode
5 Reserve
6 Current ow rate
7 Current temperatures heated hose
8 Selected measuring program, e.g. Test or measurement program
9 Current temperatures of NDIR bench
10 Current temperatures of gas cooler
11
Access to detailed information on the instrument components.
Especially for service or inquiry
12 Menu info
13 Menu contacts
14
Status bar: display of zero point, alarms, executed measuring program, selected fuel, heat-up-, cool-down phase
15 Menu measure
16 Menu settings
17 Menu extras
18 Battery Charge indicator
19 Context menu with window-dependent additional functions
1
2
4
5
7
1915
8910 6
1412 1311 18
3
16 17
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