mru DM9600 User manual

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 1 / 57

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 2 / 57
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Original user manual
© 2020 by MRU
No part of this manual may 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: 2020-05-13, V1.00.EN

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 3 / 57
Table of content
1Information for product and safety............................................... 7
1.1. Safety manual .................................................................................................7
1.2. Safety precautions.........................................................................................7
1.3. Ensure safety ...................................................................................................8
1.4. User guideline for rechargeable batteries............................................8
2Introduction...................................................................................... 9
2.1. Intended use ...................................................................................................9
2.2. About us ........................................................................................................ 10
2.3. Packaging...................................................................................................... 11
2.4. Return of hazardous waste ..................................................................... 11
2.5. Return of analyzer according to ElektroG ......................................... 11
3Description...................................................................................... 12
4Operating ........................................................................................ 13
4.1. Power on and power off .......................................................................... 13
4.2. Zeroing........................................................................................................... 13
4.3. Function Keys............................................................................................... 13
4.4. Display............................................................................................................ 13
4.5. Context menu .............................................................................................. 14
4.6. Menu structure............................................................................................ 14
5Settings............................................................................................ 16
5.1. Preparatory steps ....................................................................................... 16
5.2. Analyzer settings ........................................................................................ 16
5.3. Setting date and time ............................................................................... 17
5.4. Setting Bluetooth (optional)................................................................... 17
6Preparing measurement................................................................ 18
6.1. Ensure power supply................................................................................. 18
6.2. Automatic Auto-off function.................................................................. 18
6.3. Measuring with grid power supply / Battery charging................. 18
6.4. Battery charge condition ......................................................................... 18
6.5. Operating temperature ............................................................................ 19
6.6. Power up and zeroing............................................................................... 19
7Performing measurement ............................................................. 20
7.1. Auto-Log function...................................................................................... 20
7.2. Performing pressure/temperature measurement .......................... 21
Opening context menu .................................................................................... 22
7.3. Performing pressure measurement.................................................... 24
Opening context menu .................................................................................... 25

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 4 / 57
7.4. Performing temperature measurement ............................................. 26
Opening context menu ....................................................................................26
7.5. Leak detection using the external HC-Probe (option) ..................27
Performing leak test ..........................................................................................27
Setting alarm threshold and zeroing ..........................................................27
Peak value .............................................................................................................28
Maintenance.........................................................................................................28
7.6. Performing gas flow measurement (option) ....................................28
Connecting the Pitot tube...............................................................................29
Opening context menu ....................................................................................29
7.7. Performing flow velocity measurement with vane
wheel/anemometer (Option)..............................................................................30
7.8. Performing 4 / 8 Pa-test (Option)......................................................... 31
Performing............................................................................................................32
Data storage.........................................................................................................34
Printing measurement results........................................................................34
7.9. Performing usability check (Option)....................................................35
What is a usability check?................................................................................35
Connection diagram usage capability test without dismounting gas
meter.......................................................................................................................37
Operation ..............................................................................................................38
Automatic capacity determination...............................................................38
Entering pipe volume manually ....................................................................38
Entering additional parameters.....................................................................39
Applying test pressure......................................................................................39
Stabilization time................................................................................................39
Test phase .............................................................................................................40
Displaying measurement result.....................................................................40
Storing measurement result...........................................................................40
7.10. Printing measurement results................................................................40
8Data storage....................................................................................41
8.1. Organizing data storage ..........................................................................41
8.2. Information about data storage............................................................41
8.3. Measurements in the data storage ......................................................41
Viewing measurements....................................................................................41
Deleting measurements................................................................................... 42
8.4. Managing sites ............................................................................................42

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 5 / 57
Add new sites ...................................................................................................... 42
View sites............................................................................................................... 43
Change data in existing sites ......................................................................... 43
Delete sites ........................................................................................................... 43
8.5. Transfer data via SD card......................................................................... 43
Import of sites ..................................................................................................... 44
Export of sites...................................................................................................... 45
Export of stored measurements.................................................................... 45
9EXTRA / Settings ............................................................................ 46
9.1. Service adjustment menu........................................................................ 46
9.2. Factory settings........................................................................................... 46
9.3. Service values............................................................................................... 46
10 Maintenance and care ................................................................ 47
11 Appendix...................................................................................... 48
11.1. Technical data.............................................................................................. 48
General data......................................................................................................... 48
Accuracy ................................................................................................................ 49
11.2. Firmware update......................................................................................... 53
Installing new software in the analyzer...................................................... 53
Performing and verification of an update................................................. 53
11.3. Trouble shooting ........................................................................................ 55
Device trouble shooting .................................................................................. 55
12 Declaration of conformity ........................................................ 56

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 6 / 57

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 7 / 57
1Information for product and safety
1.1. 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 first use
of the instrument.
Instrument-specific safety and warning requirements in this manual are
prefixed before dangerous actions.
1.2. Safety precautions
The used categories of safety precautions are here explained once
more.
DANGER
Identifies an immediate, impending hazard that, if
ignored, will result in severe bodily injuries or death.
WARNING
Identifies an immediate, impending hazard that, if
ignored, may result in severe bodily injuries, material
damage or death.
CAUTION
Identifies a possibly dangerous situation that, if
ignored, may result in minor injuries.
ATTENTION
Identifies a possibly harmful situation that, if ignored,
may result in damages to the device or its
surroundings.
NOTE
Identifies user tips and other especially important in-
formation.
The explanation of safety notices:
CAUTION
HOT –danger of burns and fire hazards from gas
extraction probe.
Physical harm and property damage can be caused.
►Cool down the probe tube.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 8 / 57
1.3. Ensure safety
•Please read the user manual completely before the first use.
•Only use the analyzer for the intended use and within the parameters
specified in the technical data.
•Do not use any violence and avoid falls.
•Do not put the analyzer into use, if the housing, power supply unit or
supply leads are damaged.
•Do not store the analyzer together with solvents. Do not use
desiccants.
•Only carry out maintenance and service work on this analyzer as de-
scribed in the User Manual. Observe the prescribed action steps.
•Operate the analyzer only in closed, dry rooms and protect it from rain
and moisture.
•When operating the analyzer on mains power, operate it only with the
mains adapter supplied.
•The analyzer must not be located in the immediate vicinity of open fire
or high heat.
•Do not use metallic parts / accessories as electrical conductors.
•Do not use the analyzer in or under water.
•Do not exceed the specified temperature range of the temperature
sensors. The temperature sensors will otherwise be destroyed.
•The pressure to be measured must not be higher than the specified
measuring range
1.4. User guideline for rechargeable batteries
NOTE
The rechargeable batterie is installed inside the analyz-
er and is not accessible to the end customer. However,
the following instructions must generally be observed
when handling lithium-ion rechargeable batteries.
•This rechargeable battery can only be used in this analyzer.
•Do not throw the rechargeable battery into a fire, charge it at high
temperatures and store it in a hot environment.
•Do not deform, short-circuit or modify the rechargeable battery.
•The rechargeable battery must not be used in or under water.
•Do not expose the rechargeable battery to strong mechanical forces
and do not throw it.
•Do not cut or squeeze the connecting cables of the rechargeable bat-
tery.
•Do not connect the (+) contact to the (-) contact or metal.
•Non-observance of the above guidelines can cause heat, fire and ex-
plosions

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 9 / 57
2Introduction
•This manual enables you to understand and safely operate this MRU
Analyzer.
•Please read this manual with great vigilant and get familiar with the
product before using it.
•This analyzer may only be operated by competent personnel and for its
intended use.
•Please pay special attention to all safety directions and warnings to
prevent personal injuries and damaging of the product.
•We can’t be held responsible for any injuries and/or damages that oc-
cur by not following the instructions in this manual.
•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.
2.1. Intended use
The analyzer is intended as a monometer for pressure and temperature
measurement of non-explosive gases.
Optionally, an HC probe for locating leaks in gas pipes or an external
pressure sensor for measuring higher pressures can be connected via
the AUX socket.
The analyzer is specifically not intended as a safety device or personal
protective equipment.
The analyzer should not be used as a warning device to warn people
against the presence of harmful gases.
The analyzer must be used according to instructions for the intended
use.
Our analyzers are checked according to the following regulations:
VDE 0411 (EN61010) and DIN VDE 0701 before they leave the MRU
GmbH factory.
MRU technical products are designed and manufactured according to
DIN 31000/ VDE 1000 and UVV = VBG 4 of the professional guilds for
fine mechanics and electrical engineering.
MRU GmbH assures that the analyzer complies to the essential require-
ments of the legal regulations of the member states of the electro-
magnetic compatibility (89/336/EWG)
WARNING
Risk from manipulations to the measuring device
Operational safety hazard
►Modifications or changes to the measuring device are not
allowed.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 10 / 57
2.2. About us
The analyzer is produced by the MRU GmbH in Neckarsulm, Germany
(Founded in 1984), a medium sized company that specializes in devel-
oping, 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
Tel [phone] (Front office)
Tel [phone] (Service)
Fax [phone]
Email: [email protected]
Site: www.mru.eu

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 11 / 57
2.3. Packaging
Save the original carton and packing materials to prevent damage in
transit in case you need to return the unit to the factory.
2.4. Return of hazardous waste
MRU GmbH is required to accept the return of hazardous waste such as
batteries that cannot be disposed of locally.
Hazardous waste must be returned to MRU prepaid.
2.5. Return of analyzer according to ElektroG
MRU GmbH is required to accept the return, for proper disposal, of all
analyzers delivered after 13th of August 2005. Analyzers must be re-
turned to MRU prepaid.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 12 / 57
3Description
The analyzer is intended as a monometer for measuring pressure and
temperature of non-explosive gases.
Optionally, an HC probe for locating leaks in gas pipes or an external
pressure sensor for measuring higher pressures can be connected via
the AUX socket.
The analyzer has a compact and robust fiber-reinforced plastic enclo-
sure.
It is entirely operated using the colour touch screen.
1
Touch screen
2
Mini USB interface for data
transfer and battery charging
3
Pressure port P1
4
Pressure port P2
5
IR interface for external IR
Printer
6
Rear magnets for hands free
operation
7
Micro-SD-card reader
8
Temperature port Temp 1
9
Temperature port Temp 2
10
AUX-port
11
Reset-button (on the rear side)

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 13 / 57
4Operating
4.1. Power on and power off
The analyzer is switched on via the touch display.
Touch the display, then press the green power button.
Switching off is done via the context menu button.
After pressing the button with the switch-off symbol, the analyzer is
switched off.
4.2. Zeroing
The zero point is taken when switching on.
4.3. Function Keys
Pre-defined function keys will appear on the upper and lower screen
border –these keys will differ depending on the screen content.
The upper border typically displays the return and context buttons.
The lower border often displays the up and down buttons.
There can be additional or other buttons, depending which program or
menu currently is used.
4.4. Display
You can obtain all the information you need to operate the analyzer
from the display, which contains the following information.
1
Main menu
2
Function keys
3
Function keys
4
Context key
5
Battery charging condition (Lithium-Ion Battery)
6
SD-Carte inserted SD-Card reader
GREEN symbol –read and write is possible
YELLOW symbol –read only )
7
Scroll bar indicator for the main menu

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 14 / 57
4.5. Context menu
The context menu button is an extension of the function keys. All func-
tions offered in the current window are stored here.
4.6. Menu structure
The analyzer organizes all available actions in three main menus:
Menu Measurement
All available measurement options will be displayed and can be selected
here.
Menu Storage
All available storage options will be displayed and can be selected here.
Menu Extra
All other actions are available here to manage and customize the device
1
Switching off the analyzer
2
Close context menu without action

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 15 / 57
.
.
.
.
DM9600
The menu
Measure-
ment is ex-
plained in
Chapter 7
Performing
measure-
ment, Page
20
The menu
Storage is
explained in
Chapter 8
Data stor-
age, Page
41.
The menu
Extra is ex-
plained in
Chapter 9
EXTRA / Set-
tings, Page
46.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 16 / 57
5Settings
After the analyzer has been inspected and is ready for start-up it can be
switched on and personalized settings can be entered. These settings
can be changed at any time.
5.1. Preparatory steps
•Unpack the analyzer.
•Read the User Manual completely.
•The analyzer leaves the factory assembled and ready for use.
Nevertheless, check the device for completeness and integrity.
•Charge the battery of the analyzer for about 5 hours.
•Check date and time. Modify if needed.
5.2. Analyzer settings
The following adjustments can be made in the menu „Extras“:
:
Country
When changing the country, country specific
pre-settings and measurement procedures will
be activated.
Please pay special attention if the country
specific settings and procedures are working
according to their regulations
Language
Select the operating language
LCD Brightness [%]
5 –100
The LCD brightness is depending on tempera-
ture and personal perspective of each user.
50% brightness are normal at 68°F (20°C)
Keyboard beep
ON / OFF
Turn the Keyboard beep ON or OFF
Helping hints
ON / OFF
Turn the feature Helping hints ON or OFF
Temperature unit
°C / °F
Select the units for temperature
Pres. unit
Pa...mbar...
mmHg...etc.
Select the units for pressure
Pressure P1
Positive / nega-
tive
Select the sign
Logo
ON / OFF
Select if logo at switch on
Printer type p
MRU / HP
Select between MRU protocol and HP proto-
col

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 17 / 57
5.3. Setting date and time
Under EXTRA/DATE / TIME you can check the current date and time
and set them if necessary
The analyzer has an automatic changeover from summer to winter time.
If the built-in rechargeable battery is completely discharged, a new set-
ting of these values is required.
Make the necessary settings with the arrow buttons right/left and
up/down.
5.4. Setting Bluetooth (optional)
The following MRU Software can be used:
MRU4u (Bluetooth) available in the Apple App Store and Google Play
Store
The Bluetooth-Passkey (connection code) is: 1234
The Bluetooth mode can be viewed and selected in the EXTRAS / Set-
ting / Bluetooth menu.
Please use ANDROID for connections to Android and IOS for connec-
tions to IOS.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 18 / 57
6Preparing measurement
6.1. Ensure power supply
The analyzer can be operated optionally:
•with built-in MRU rechargeable battery.
•with supplied power supply via the USB socket.
•through USB cable at the PC.
6.2. Automatic Auto-off function
The Auto-off function powers down the device if no key has been
touched for 60 minutes.
During measurement and/or battery charging the Auto-off function is
deactivated.
The device will give an acoustic signal and will display that it wants to
shut down, the shutdown can be prevented by touching the screen.
6.3. Measuring with grid power supply / Battery charging
The device can be charged by connecting the supplied charger 90...260
V / 50/ 60Hz to the USB port.
The device can be operated while it is charged.
The device will switch to trickle charge mode once the battery is fully
charged.
6.4. Battery charge condition
The battery symbol indicates the battery capacity. The battery symbol will start
to flash every second in red once the battery reaches a remaining operation
time of +/- 60 minutes (depending on device configuration). The device will
shut down if the batteries are not charged in time to prevent a total battery
discharge.

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 19 / 57
6.5. Operating temperature
If the analyzer has been stored in a very cold place, wait until the ana-
lyzer has acclimatized in a warm environment to avoid condensation
inside the analyzer before switching it on.
If the operating temperature is not within the specified range (see also
Chapter 11.1 Technical data, S. 48), a corresponding message is dis-
played. The analyzer may be too cold or too hot.
ATTENTION
No further function is possible with the analyzer in
these conditions - an acoustic signal sounds during
warm-up.
6.6. Power up and zeroing
The analyser is switched on by tapping on the display and then on the
power button.
The zeroing of the pressure sensor can be repeated during operation

USER MANUAL DM9600
MRU GmbH, D-74172 Neckarsulm 20 / 57
7Performing measurement
In the basic configuration, each analyzer has the complete functionality
that the customer needs for pressure and temperature measurement.
For the other types of measurements the corresponding accessories are
required.
7.1. Auto-Log function
The measurement duration and the measurement interval for the meas-
urement can be set in the Auto-Log.
Auto-Log settings:
Measuring time is the complete time for one measurement cycle.
Press the button measuring time to be able to set the measurement
time (using the arrows up and down to change the time).
Press the button interval to select how frequently you want to save the
results.
Press the Site Selection to determine to which site the results will be
saved to.
Each interval will be saved to the selected site.
The Auto-Log can save results either on the internal memory or onto
the SD Card.
Press the Store button and then select where the results should be
stored.
Please make sure that there is enough storage space available.
Press the start button to start the Auto-Log, it will end automatically
after the defined measurement time has elapsed