USER MANUAL
DBM 620
AIR FLOW METER
& SMARTKAP APPLICATION FOR DBM 620
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Table of contents
1. SAFETY INSTRUCTIONS......................................................................................................................................................................................5
1.1 SmartKap application.....................................................................................................................................................................................................5
1.1.1 Exclusions and restrictions of liability.................................
....................................................................................................................................5
1.1.2 Exclusions and warranty limitations...........................
.............................................................................................................................................5
1.2 DBM 620 air flow meter.................................
................................................................................................................................................................5
1.2.1 Warning...........................
....................................................................................................................................................................................5
1.2.2 Environment pr
otection.........................................................................................................................................................................................6
1.3 Sym
bols used.................................................................................................................................................................................................................6
2. AIR FLOW METER PRESENTATION......................................................................................................................................................................7
2.1 Key points......................................................................................................................................................................................................................7
2.2 Technical features..................................................
.........................................................................................................................................................8
2.3 General features.............................................................................................................................................................................................................9
2.4 Maintenance.......
...........................................................................................................................................................................................................9
2.5 Warranty......................................................................................
..................................................................................................................................9
2.6 Standard..........................................................
............................................................................................................................................................10
2.6.1 FCC rules............................................................................................................................................................................................................10
2.6.2 Canadian standard
..............................................................................................................................................................................................10
3. AIR FLOW METER DESCRIPTION.......................................................................................................................................................................11
3.1 Base............................................................................................................................................................................................................................11
3.2 Grid...............................................................
..............................................................................................................................................................11
3.3 Electronic module....................
.....................................................................................................................................................................................12
3.3.1 Features....
.........................................................................................................................................................................................................12
3.3.2 Power supply and batteries replacement.......................................................
.......................................................................................................13
3.3.3 Use the Pitot tubes fixing accessory......................................................
...............................................................................................................13
3.4 Hoods...............................................................................
...........................................................................................................................................13
3.4.1 Description.........................................................................................................................................................................................................13
3.4.2 Mounting of the hoods..............
..........................................................................................................................................................................14
3.4.3 First mounting.........
...........................................................................................................................................................................................14
3.4.4 Elemen
ts storage................................................................................................................................................................................................16
3.4.5 Second mounting................................................................................................................................................................................................16
4. TROUBLESHOOTING.........................................................................................................................................................................................17
5. SMARTKAP MOBILE APP..........................................................................
........................................................................................................18
5.1 Presentation.................................................................................................................................................................................................................18
5.2 Minimal required configuration........................................
.............................................................................................................................................18
5.3 Mobile application installation.......................
...............................................................................................................................................................18
6. USE SMARTKAP APPLICATION.........................................................................................................................................................................19
6.1 Set the DBM 620 module.............................................................................................................................................................................................19
6.1.1 Activate/deactivate the automatic connection...................................
....................................................................................................................19
6.1.2 Set the auto-shut-off........................................................
...................................................................................................................................19
6.1.3 Set the autozero.................................................................................................................................................................................................19
6.1.4 Access the DBM 620 module information..........
...................................................................................................................................................19
6.2 Start, hold or stop the measurement.............
.................................................................................................................................................................20
6.3 Use the application in balometer m
ode.........................................................................................................................................................................21
6.3.1 Connect the mobile de
vice and the DBM 620 module...........................................................................................................................................21
6.3.2 Set the measurements........
.................................................................................................................................................................................22
6.3.2.1 Select the air
vent type..............................................................................................................................................................................22
6.3.2.2 Select
a standardised airflow......................................................................................................................................................................24
6.3.3 Modif
y the air vent factors...................................................................................................................................................................................24
6.3.4 Save a measurement dataset...................................................................
............................................................................................................26
6.4 Use the application in manometer mode..................................................
.....................................................................................................................27
6.4.1 Connect the mobile device and the module....................................
......................................................................................................................27
6.4.2 Set the measurements.........................................................................................................................................................................................28
6.4.2.1 Select the differential pressure device......................
...................................................................................................................................28
6.4.2.2 Select the air duct type and define its features............................................................................................................................................29
6.4.3 Set the compensation temperature and the static pressure.........
...........................................................................................................................29
6.4.3.1 Set the compensation temperature.............................................................................................................................................................29
6.4.3.2 Activate and set the static pressure..................................
...........................................................................................................................29
6.4.4 Record a measurement dataset..........................................
..................................................................................................................................30
6.4.4.1 Save an automatic dataset....................................
.....................................................................................................................................30
6.4.4.2 Save a point by point dataset.....................................................................................................................................................................31
6.4.4.3 Save an automatic point by point dataset...............
....................................................................................................................................32
6.5 Set the correction coefficient.........................................................................................................................................................................................33
6.6 Modify the measurement units...............
.......................................................................................................................................................................33
6.7 Fill in operator information
...........................................................................................................................................................................................34
6.8 Manage m
easurements records and datasets.................................................................................................................................................................34
6.8.1
Access the measurement records and datasets.....................................................................................................................................................34
6.8.2 E
xport the values................................................................................................................................................................................................35
6.8.3 “Air Change Rate” function (ACR)......................................................
.................................................................................................................36
6.8.4 Example of pdf report...........................................................
...............................................................................................................................36
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1. SAFETY INSTRUCTIONS
Before using the device, please read carefully this user manual. It delivers important information
about
the device operating, maintenance and reprocessing.
1.1SmartKap application
1.1.1Exclusions and restrictions of liability
The application operation is under the exclusive customer
or user entity responsibility, who acknowledges using this system
at his/her own risks. The customer or user entity explicitly excludes Sauermann and every other company through which the
it could have b
een sold of any kind of responsibility or warranty regarding any direct, indirect, accidental, consecutive or
non-consecutive damage that could have been subjected, for some or all, by partial or total n
on-respect, voluntary or
involuntary, of recommendations, conditions and prerequisites indicated herea
fter.
1.1.2Exclusions and warranty limitations
Sauermann guarantees that the application, which is made av
ailable for the customer or user entity through digital content
such as a DVD or a downloaded link as indicated in our commercial documents, are in a state enabling its correct
installation and operation.
Within the limits of the law, this warranty is exclusive. Therefore, we do not guarantee the
application operation after its availability to the customer or user entity of this digital support or downloaded link. There is
no other explicit or implicit guarantee regarding the application merchantability a
nd fitness for a particular purpose. The
customer or user entity acknowledges accepting all the presen
t guarantee limitations or exclusions.
1.2DBM 620 air flow meter
Interior or exterior use.
This device has been developed for the pressure, air flow, temperature and
hygrometry measurement in airvent
outlet. It must not be used in any other purpose.
This device has
been developed, produced and sold exclusively to trained and qualified experts in the field of
HVACR.
Appropriate training is necessary in order to guarantee a riskless use of this instrument. Sauermann is not
responsible for any possible accident during its use.
Please always use the device in accorda
nce with its intended use and within parameters described in the technical
features in order not to co
mpromise the protection ensured by the device.
When installing the device, the safety of the system in
tegrating the device is the responsibility of the system
assembler.
This device can pose a risk for we
arers of pacemakers. Respect a distance of at least 10 cm between the device and
the wearer.
Only the
accessories provided with the device or available as an option must be used.
Do not use the device if
it is damaged or if it operates abnormally. Inspect the device before every use. In case of
doubt, pl
ease contact the Sauermann's After-sales service.
1.2.1Warning
Do not authorise pressures beyond the dev
ice limits. Please refer to the technical features described in this user
manual.
The device must not
be exposed to rain or any other humid environments (> 80 %RH).
Do not use the device next to explosive
gases, vapour or dust.
Do not place your fingers in movable zones of the device (articulations).
The
device must not be used in ATEX zones according to applicable standards.
Do not store the device wit
h solvents. Do not use desiccants.
The device does not contain any internal part repairable by the us
er. Do not open the device. The maintenance must
be performed by Sauermann only.
SAFETY INSTRUCTIONS
4
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If the device falls or in case of similar inconveniences, or if an irregular malfunction appears, please send back the
device to Sauermann After-sales service for a technical check and to ensure your ow
n safety.
1.2.2Environment protection
Send back the device at its end of working life in a waste collecti
on centre for electrical and electronic
components (according to local regulations), or send it back t
o Sauermann to ensure a required waste
collection in the respect of the environment.
1.3Symbols used
For your safety and in order to avoid any damage of the device, please follow the procedure
described
in this user manual and read carefully the notes preceded by the following symbol:
The following symbo
l will also be used in this user manual:
Please read carefully the information notes indicated after this symbol.
© 2019 SAUERMANN. All rights reserved. Sauermann & SmartKap are the exclusive property of Sauermann. Non contractual
document. The products functionalities and visual appearances can be modified without p
rior notice. Smartphone or tablet
are not supplied with Sauermann products.
5
SAFETY INSTRUCTIONS
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2. AIR FLOW METER PRESENTATION
The DBM 620 air flow meter allows control and balancing of airflow in air conditioning system. Thanks to the
interchangeable hoods, the air flow meter can be used on any type of grids or diffusers in air s
upply or exhaust.
Easy to handle, lightweight, it allows accurate, sturdy and fast measurements.
It is su
pplied in standard with a 610 x 610 mm hood with flow straightener and foldable frame.
Four other dimensi
ons are available as options:
1020 x 1020 mm
720 x 720 mm
720 x 1320 mm
420 x 1520 mm
These hoods are
airtight and have a transparent viewing window, allowing the user to see through
the vent to ensure that the hood is in proper position. The rods, made of fibreglass, provide a
sturdiness of hoods.
The mea
surement grid, attached to the base, allows the measurement through 24 points all over
the surface of
the grid. Measurement is performed using a differential pressure sensor,
adjusted in atmospheric press
ure and temperature, compensated in temperature.
The Patented DBM 620 folding frame limits space restri
ctions and allows for easier mounting.
The measuring unit of the air flow meter, removable, can be used as
a micromanometer.
Real addition to airflow measurement, this instrument allows, by connecting a Pitot tu
be, to measure
airflow velocity in air duct or, by connecting two silicone tubes, to check filter foul
ing of air station.
It is also possible to connect the matrix grid designed for air velocity measureme
nts
on any types of large celling vent or diffuser. This grid calculates the average air
velocity from 2
4 points to guarantee a reliable measurement. Please respect a
minimum distance of 15 cm between the me
asuring unit and the measurement
grid.
2.1Key points
Measuring range from 35 to 4250 m3/h
Interchange hoods quickly and easily
610 x 610 mm hood with airflow straightener to be compatible
with every
air vent types
SmartKap mobile application for data reading and exploitation
Patented folda
ble frame and space-saving hoods
Transport case: compact storage system
AIR FLOW METER PRESENTATION
6
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2.2Technical features
ParameterAccuracy
(1)
Measuring rangeResolution
Airflow (calculated
parameter)
±3% of the measurement ±10 m3/h
From 35 to +4250 m3/h1 m3/h
Air velocity (calculated
parameter)
±3% of the measured value ±0.04 m/s
From 0.2 to 10 m/s
0.01 m/s up to 3 m/s
and 0.1 m/s beyond
Temperature (NTC)
±0.2°C
From -20 to 70°C0.1 °C
Relative humidity
(capacitive sensor)
Repeatability, linearity: ±1.5% RH
(2)
(from 10 to 80% RH and from 10 to 50°C)
(3)
Hysteresis: 0.8% RH at 25°C
Time drift: <0.5% RH per year in normal
conditions of use (from 5 to 50°C and
from
20 to 80% RH, apart from indoor pollutants)
From 0 to 100% RH0.1% RH
Atmospheric pressure
±3 hPaFrom 700
to 1100 hPa1 hPa
Pressure
(4)
±0.2% of reading ±2 Pa
(5)
From -2500 to +2500 PaFrom 0.001 to 0.1 Pa
(1)
All accuracies indicated in this document were stated in laboratory conditions and can be guaranteed for measurement carried out in the same conditions or with calibration compensation.
(2)
Accuracy in RH depends on temperature: typical ±2% RH below 10°C and above 50°C.
(3)
The sensor shows best performance when operated within recommended normal temperature and humidity range of 5°C–60°C and 20%RH–80%RH, respectively. Long-term exposure to conditions outside
normal range, es
pecially at high humidity, may temporarily offset the RH signal (e.g.+3%RH after 60h kept at >80%RH). After returning into the normal temperature and humidity range the sensor will slowly
come back to cali
bration state by itself. Prolonged exposure to extreme conditions may accelerate ageing.
(4)
Tolerated overpressure: 344.73 mbar. Proof pressure: 500 mbar. Burst pressure: 750 mbar.
(5)
Potential drift: ±0.04% of reading per degree.
7
AIR FLOW METER PRESENTATION
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2.3General features
Display
On smartphone or tablet
(1)
Integrated support for
smartphone or tablet
Adjustable integrated support
Smartphone or tablet max. dime
nsions: 10’’
Connectors/Pneumatic
ABS connectors, Ø7 x 4 mm
Maximum service pressure
500 mbar
Storage capacity
Standard size of a measurement dataset report: 1 Mo
Module
Shock-proof made of ABS
Protection
IP40
Keypad
1
key on the module
Power supply
4 alkaline batteries LR6 AA 1.5V
(2)
Battery life
Up to 30 hours
Bluetooth
®
Class 1 Bluetooth® 4.2
Bluetooth
®
range: 2.4 GHz
Range up to 30 m (98 ft) - Depending on smartphone and tablet Bluetooth
®
radio
strength.
Minimum required versions: Android 4.4, iOS 8.0, Bluetooth
®
4.0
Device dimensions
Folded: 475 x 455 x 255 mm
Mounted: 610 x 610 x 980 mm
Environmental conditions of
u
se
Air, non corrosive and combustible gases
Temperature: from -5 to +50°C, in dry air and non-condensin
g condition
Hygrometry: in non-condensing conditions (< 80% RH)
Maximum altitude: 2000 m
Storage temperatu
re
From -20 to +60°C
Auto-shut-off
Adjustable from 0 to 60 minutes
Weight (with batteries)
2900 g
Languages
G
erman, Spanish, Italian, Dutch, Portuguese, Hungarian, Polish, Romanian, Russian,
Slovak, Finnish, Da
nish, Norwegian, Swedish, Chinese, Korean, Japanese
European Union directives
2011/65/EU RoHS II; 2012/
19/EU WEEE; 2014/53/EU RED
(1)
Device not provided.
(2)
We recommend the use of type Nx PCA9002 batteries.
2.4Maintenance
Clean the device with a dry and clean cloth. Do not use solvents.
2.5Warranty
The device has 1-year guarantee against any manufacturing defect (return to our After-sales service required).
AIR FLOW METER PRESENTATION
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2.6Standard
2.6.1FCC rules
This device complies with Part 15 of the FCC Rules. Operation is subject to the followin
g two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.
Contains FCC ID:
QOQBGM111
This equipment has been tested and found to comply with the limits for a Class B digital de
vice, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable protectio
n against harmful interference in a residential
installation. This equipment generates uses and can r
adiate radio frequency energy and, if not installed and used in
accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct
the interference's by one or more of the following measures:
Reorient o
r relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Con
nect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications to t
his equipment not expressly approved by Sauermann may cause, harmful interference and
void the FCC aut
horization to operate this equipment.
2.6.2Canadian standard
This device contains licence-exempt transmi
tter(s)/receiver(s) that comply with Innovation, Science and Economic
Development Canada’s licence-ex
empt RSS(s). Operation is subject to the following two conditions:
1.This device may not cause interfe
rence.
2.This device must accept any interference, including interference that may cause undesired oper
ation of the device.
9
AIR FLOW METER PRESENTATION
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3. AIR FLOW METER DESCRIPTION
3.1Base
Outside of the base:
1.DBM620 electronic module
2.Electronic module connecting plugs
3.Thermo-hygrometric m
easurement platen
4.and 5. Press to connect or disconnect the module of the base
Inside the base:
1.Rece
ipt cup hood rods
2.Measurement grid
3.Silicone tube for pressure routing
4.Temperature and hygrometry prob
e
5.Two pressure connectors
3.2Grid
The measurement grid is fixed to the base in 6 points and is made up of the following elements:
2 cha
mbers (for total pressure and for static pressure)
2 pressure connectors
AIR FLOW METER DESCRIPTION
10
The measurement
gr
id is fixed to the base in 6points and is made
the followingelements:
)
2 chambers (for total pressure and for static pressure
2 pressure connectors
up of
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The measurement grid allows to perform differential pressure measurements: attached to the base, it allows the
measurement through 24 points all over the surface of the grid. Measurement is performed usin
g a differential
pressure sensor, adjusted in atmospheric pressure and temperature, compensated in tem
perature.
3.3Electronic module
3.3.1Features
Shock-proof made of ABS
IP40 protection
Adjustable auto-shut-off with the mobile applica
tion from 0 to 60 minutes
Automatic autozero
Removable module for micromanometer function
The electron
ic module takes into account the atmospheric pressure, temperature and hygrometry compensation and
aut
omatically operates in air supply or exhaust.
1.2 plastic plugs to fix the module on the base (air flow
meter mode)
2.On/Off, “Start recording”, “Stop recording” and “Hold” button
3.2 pressure plugs allow to
set the module on the base and the connection of silicone tubes
4.Location for the Ø3 mm, Ø6 mm or Ø8 m
m Pitot tube fixation (see page 12 how to use the Pitot tube fixing
accessory)
5.Battery trap
11
AIR FLOW METER DESCRIPTION
Front view of the moduleBack view of the module
Module presentation on the baseModule attached to the base
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3.3.2Power supply and batteries replacement
The airflow meter is supplied in standard with 4 batteries ty
pe AA LR6 1.5V.
To replace batteries:
Remove the batteries cover then used batteries.
Replace batteri
es respecting carefully the polarity.
Replace the batteries cover.
Reconnect the module.
3.3.3Use the P
itot tubes fixing accessory
To carry out a measurement with a Pitot tube, it is necessary to use the P
itot tubes fixing
accessory. The usable Pitot tubes are the following: Ø3 mm, Ø6 mm or Ø8 mm.
Please fo
llow these steps:
1.Put the Ø3 mm, Ø6 mm or Ø8 mm Pitot tube on the fixing accessory.
2.Present this asse
mbly on the back of the DBM 620 module in front of the slots.
3.Press the assembly to clip the accessory
on the module.
4.Slide the assembly toward the bottom of the module to finalise the fixation on the mo
dule.
To remove the Pitot tube and its accessory, please proceed on reverse order.
3.4Hoods
3.4.1Description
1.Transparent mica allowing a good visibility and making easy the
position of the hood
2.C
loth of the hood
3.Elastic to position and hold the hood on the base. Self-adhering
trip to fix the hood
on the base.
4.Frame with an elastomer joint to ensure a good airtight with
ceiling
5.Hoods frame rods
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3.4.2Mounting of the hoods
3.4.3First mounting
Once the device received, please follow theses steps to moun
t the elements on the base:
1. Unfold the frame
The patented foldable frame allows a quicker and easier
mounting and a compact storage system.
2. Mount the frame with the hood
The frame elastomer joint must b
e placed toward the outside.
Insert the 4 hood strips in the dedicated slots on the 4 sides of the fr
ame.
Tighten the strips.
Do not tight fully the strips: in order not to damage the hood cloth, it is re
commended to adjust
the strips tightening at the end of the mounting.
Adjust the hood corner on the frame
.
13
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3. Mount the hood on the base and position the rods
The transparent part must be oriented towards the
user. The coloured strip
inside the hood is a visual mark: it must be placed on the opposite side of t
he
user. This coloured marked strip has to be positioned in front of the arrow mark
of the base. Positi
on the frame’s corners with retaining stops towards the
window side of the hood.
To position the hood
on the base, check that the self-adhering trip to fix the
hood on the base is not fixed.
Tighten and f
ix the self-adhering trip to fix the hood on the base.
Put the rods inside the hood.
Place the rods o
n the dedicated receipt cups then adjust them on the opposite
corner of the hood.
Position the rods to
cross on the transparent side of the hood and
on the opposite site of the transparent part.
Adjust the
strips tightening.
4. Mount the measurement grid for a micromanometer mode use
Mount the positioning struts
on the grid.
Clip the DBM 620 module on the last notch of the pole. Please respect a minimum distance
of 15 cm between the
measuring unit and the measurement grid.
Plug the pressure tubes: the black tube
on (-), the transparent tube on (+).
Connect the pressure tubes to the module: the black tube on (-)
, the transparent tube on (+).
5. Set the smartphone support
The support for Smartphone can be set in po
rtrait or landscape mode:
Use an Allen* key of 3 mm to unscrew the support sides.
Adjust the required
space with the roller then screw back the support.
AIR FLOW METER DESCRIPTION
14
*not supplied with the DBM 620.
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3.4.4Elements storage
A complete disassembly is not necessary to store the elements in the transport cas
e. Only fold the frame, hood and base
assembly:
Remove the rods.
Fold the first sides of the frame by
pressing the clips located on the top of the frame (1).
Fold the other sides of the frame by pressing
the clips located on the outside of the frame, below the cloth (2).
Without disassembly them, fold th
e hood cloth and the frame inside the base.
3.4.5Second mounting
Once the first mounting has been carried
out, only the frame needs to be unfolded and the rods positioned.
15
AIR FLOW METER DESCRIPTION
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4. TROUBLESHOOTING
ProblemProbable cause and possible solution
The DBM 620 does not switch on.
Batteries can be defective o
r flat. Replace the old batteries by new
ones, respecting carefully the polarity. For batteries repla
cement,
please see page 12.
The DBM 620 module is broken.
Do not use the device if it is broken or if i
t works abnormally.
Inspect the device before each use. In case of doubt, please
contact Sauermann's
after-sales service.
Batteries inside the DBM 620 are leaking.
Carry protective gloves and remove the b
atteries. Carry out a
cleaning with a clean and dry cloth. Replace the old batteries by
new ones, res
pecting carefully the polarity. For batteries
replacement, please see page12.
TROUBLESHOOTING
16
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5. SMARTKAP MOBILE APP
5.1Presentation
SmartKap application allows the DBM 620 air flow meter measurements visualisation and exploitation. The application
communicates in Bluetooth
®
via the smartphone/tablet and the DBM 620 module.
5.2Minimal required configuration
For an optimal operation, the following minimum required versions must be installed on the tablet or smartphone:
Android 4.4
iOS 8
5.3Mobile application installation
Flash the QR code to download SmartKap application on your smartphone or tablet.
or
Write “SmartKap” in
the search bar then validate..
Download the application by pressing the following icon.
Follow your
mobile device indications.
Google Play and the Google Play logo are trademarks of Google LLC.
App Store is a service mark of Appl
e Inc.
17
SMARTKAP MOBILE APP
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6. USE SMARTKAP APPLICATION
6.1Set the DBM 620 module
The application allows to set 3 parameters for the DBM 620 module:
automatic connection activation or
deactivation
auto-shut-off
autozero interval
It also allows to get information on the DBM620 module.
To
carry out these settings and get information, the DBM 620 module must be connected in Bluetooth® to the smartphone
or the tablet. See page 20 or page 25.
6.1.1Activate/deactivate the automatic connecti
on
The automatic connection allows to connect automatically the DBM 620 module to the smartphone or to
the tablet when
the SmartKap application is started.
From the measurement screen:
Press “Options”.
The list of options to set displays.
Activate the automatic connection in “Device” part.
6.1.2Set the auto-shut-off
The auto-shut-off allows
to set a time before the DBM 620 module switches off.
From the measurement screen, when no communicati
on is in progress:
Press “Options”
The list of options to set displays.
Press “Auto-shut-off” in “Device” part.
Select the auto-shut-off duration between 1 and 60 minutes or
select “None”.
Press “Select” at the bottom of the screen.
6.1.3Set the autozero
The autozero allows to
set an interval between two autozeros.
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “Autozero” in “Device” part.
Select the autozero interval between 1 and 60 seconds or select “
None”.
Press “Select” at the bottom of the screen.
6.1.4Access the DBM 620 module information
The applicati
on allows to obtain information on DBM 620 module.
The DBM 620 module must be connected in Bluetooth
®
on the smartphone or tablet.
From the measurement screen:
Press “i” icon.
The following screen displays:
This screen displays the following information:
Serial number
Firmware version
Last calibration date
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6.2Start, hold or stop the measurement
To start, hold or stop the measurement, use the mobile application buttons: “Rec”, “Stop” or “Pause”. It is also
possible to use the button on the DBM 620 module.
Dataset type
(micromanometer mode)
Via the mobile applicationWith the DBM 620 module button
Automatic
Press “Rec” t
hen “Validate” to start recording.
Press “Stop” to stop the measurement dataset.
Press “Rec” from the m
obile application, then the
DBM 620 module button to start recording.
Press again the DBM 620 button t
o stop the
measurement dataset.
Point by point
Press “Rec” then “Validate” to start recording.
Press “St
op” to stop the measurement dataset.
-
Once the recording started: each time the
DBM 620 button is pres
sed, a point is recorded.
-
Point by point automatic
Press “Rec” then “Validate” to start recording.
Press
“Stop” to stop the measurement dataset.
-
Once the recording started: each time the
DBM 620 button is
pressed, points are recorded
during the defined period.
-
Micromanometer and
balometer modes
Via the mobile app
licationWith the DBM 620 module button
-
Press “Pause” to hold measurement (Hold function).
This function i
s available only in “Measurement”
mode, that is beyond recording mode.
Press the DBM620 button to hold measurement
(Hold function).
This function is only available in “Measurement”
mode, that is beyond recordi
ng mode.
Automatic
Press “Rec” then “Validate” to start recording.
Press “Stop” to stop the measurement d
ataset.
Press “Rec” from the mobile application, then the
DBM 620 module button to start recording.
Pre
ss again the DBM 620 button to stop the
measurement dataset.
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6.3Use the application in balometer mode
6.3.1Connect the mobile device and the DBM620 module
Here is the procedure to follow to connect the smartp
hone or the tablet in Bluetooth® to the DBM620 module:
Bluetooth
®
must be activated on the smartphone or the tablet.
Switch on the DBM 620 module by pressing the modu
le button.
It flashes quickly in blue.
Launch SmartKap application by pressing the following icon
The application opens automatically in “Balometer” mode.
The following screen displays:
Press “Connect a device”.
The following screen displays:
Press “Search devices”.
The smartphone/tablet searches available devices. The devices found are displayed as following:
”DBM 620 XX
XX.XX.XXXXX”
Press the line of the required device.
A check mark appears on this line.
Click “Connect” in the lower-right corner of the screen.
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The following screen displays:
Press the air vent type on which measurements will be carried out.
Press “Select” at the bottom of t
he screen.
Position the air flow meter thanks to the animation explaining how to position correctly t
he air flow meter on the
air vent.
Press “Close”.
The measurement screen displays:
6.3.2Set the measurements
The parameters to set are the air vent type, the correction coefficient and sta
ndardised airflow.
6.3.2.1Select the air vent type
The application contains 7 different preset air vent types and offers the possibility to add as many air vents as required.
To select a preset air vent:
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “Air vent” in “Measures” part.
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The available air vent types list displays:
Press the required air vent type.
Press “Select” at the bottom of the screen.
To select a customized
From the parameters screen:
Press “Air vent” in “Measures”
air vent type, it first needs to be created.
part.
The following screen displays:
Press “+” in the upper-right corner of the screen.
The following screen displays:
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Fill in a name.
Select the air vent type: rectangular or circular.
Fill in the air vent dimensions:
width then length.
Fill in a coefficient for this air vent.
Add a photo is needed.
Press “Validate”.
The created air vent appears in at the end of the available the air vents list.
To select it:
Press it in the available air vents list then press “Select”.
It is possible to modify a
n air vent:
Press the air vent to modify.
Press “Modify” in the upper-right corner of the screen.
Carr
y out the required modifications.
For preset air vents, only the correction coefficient can be modifie
d.
6.3.2.2Select a standardised airflow
The standardised airflow corresponds to airflow expression according to pressure and temperature conditions as per a
standard. Therefore, the airflow is re-calculated according to the measured airflow i
n ambient conditions (23°C/1015 hPa
for instance) to take it back to standard conditions (15°C/1013.2
5 hPa, ISO 2533 standard).
The standardised airflow allows to obtain an airflow calculation as per DIN 1343 or ISO 2533 standard.
By default, no standardised airflow is selected.
From the measurement scree
n:
Press “Options”.
The list of options to set displays.
Press “Standardised airflow” in “Measurement” part.
Select “ISO2533” or “DIN1343”.
Press “Validate”.
6.
3.3Modify the air vent factors
In order to modify the air vent factors, it is possible to fill in manual
ly a corrective coefficient which is directly applied to the
measurement. For instance, with a coeffic
ient set at 1.1, the airflow read value will be increased of 10% compared to the
precedent value.
From t
he measurement screen:
Press “Options”.
The list of options to set displays.
Press “Air vent” in the “Measures” part.
The list of available air vent types displays:
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Press the required air vent type.
Press “Select” at the bottom of the screen.
Once the air vent sele
cted, click “Modify” icon on top of the screen.
The air vent features screen displays:
Press “Coefficient”.
The following screen displays:
Fill in the coefficient value.
Press “Validate”.
6.3.4Save a measurement dataset
To save a measurement da
taset, the DBM 620 module must be connected in Bluetooth® to the smartphone or to
the tablet. The previous described parameters must also be correctly filled in.
Position correctly the air flow meter according the air vent type.
Press “Rec” button.
Press the D
BM 620 module button or Press “Validate”.
The measurement dataset starts with its duration displayed in the upper-right corner of the screen.
Press “Stop” at the required moment.
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The following screen displays:
Fill in a name and a description for this record.
Press “Save” to keep only the record.
or
Add this r
ecord to a measurement dataset
Press “Dataset” line then select the required dataset.
If no dataset is
saved:
Press “Dataset” line.
Press “+” button in the upper-right corner of the screen.
Name the data
set then validate.
6.4Use the application in manometer mode
6.4.1Connect the mobile device and the module
Here is the procedure to follow to connect the smartphone o
r the tablet in Bluetooth® to the DBM 620 module in
manometer mode:
Bluetooth
®
must be activated on the smartphone or the tablet.
Switch on the DBM 620 module by pressing the DBM
620 button.
It flashes quickly in blue.
Launch SmartKap application.
The application opens automatically in “Balometer” mode.
Press “Manometer” mode at the bottom of the screen.
Press “Connect a device”.
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The following screen displays:
Press “Search devices” at the bottom of the screen.
The smartphone/tablet searches available devices. The devices found are displayed as following:
”DBM 620 XX
XX.XX.XXXXX”
Press the line of the required device.
A check mark appears on this line.
Click “Connect” in the lower-right corner of the screen.
The following screen displays:
6.4.2Set the measurements
The parameters to set are the following: the differential pressure device, type
and dimensions.
6.4.2.1Select the differential pressure device
The differential pressure device, connected to the DBM620 module, is an element allowing the pressure measurement and
determine air velocity and airflow.
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “Differential pressure device” in “Measures” part.
Press the line of the required differential
pressure device:
Pitot L
Pitot S
Debimo blade
Remote grid
Press “Select” at the bottom of the screen.
From the differential pressure device selection screen, it is possible to add a customised element:
P
ress “+” in the upper-right corner of the screen.
Fill in a name for the differential pressure device
then press “Validate”.
Fill in the differential pressure device coefficient then press “Validate”.
This customised element appears in the differential pressure device list and it is possible to select it.
From the differential pressure device selection screen, it is possible to delete a customised element:
Press “Bin” in the upper-right corner of the screen.
Select the differential pressure device to de
lete.
Press “Delete” in the lower-right corner of the screen.
It is not possible to delete a preset di
fferential pressure device.
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6.4.2.2Select the air duct type and define its features
The application allows to select an air duct type (rectangular or circular) or a factor (K factor, data supplied by the air vent
manufacturer) during the measurement operation in manometer mode.
From the
measurement screen:
Press “Options”.
The list of options to set displays.
Press “Type” in “Measurements” part.
Select “Rectangular”, “Circular” or “K Factor”.
When “Rectangular”
or “Circular” has been selected, its dimensions must be set:
From the measurement screen:
Press “Optio
ns”.
The list of options to set displays.
Press “Dimensions” in “Measurements” part.
The list of available dimensions displays.
Press “+” in the upper-right corner of the screen to add one.
Fill in the width then the length for
the rectangular type or the diameter for the circular one.
The dimensions are added in the list of dimensions.
Press the line of the added dimensions.
Press “Select” at the bottom of the screen.
Once the K factor
selected, its value must be set:
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “K Factor” in “Measurements” part.
The list of the available K factors displays.
Press “+” in the upper-right corner of the screen to add one.
Fill in its value.
This K factor is added in the list of factors.
Press the K factor line.
Press “Select” at the bottom of the screen.
6.4.3Set the compensation temperatu
re and the static pressure
The compensation temperature and the static pressure allow to know the calc
ulated parameters at defined atmospheric
parameters.
6.4.3.1Set the compensation temperature
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “Compensation temperature” in “Measurements” part.
Fill in a compensation temperature.
Press “Vali
date”.
6.4.3.2Activate and set the static pressure
From the measurement screen:
Press “Options”.
The list of options to set displays.
Activate the static pressure on the “Activate static pressure” line.
The “Static pressure” parameters become accessible.
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Press this parameter.
Fill in a static pressure.
Press “Validate”.
6.4.4Record a measurement dataset
To r
ecord a measurement dataset, the DBM 620 must be connected in Bluetooth® to the smartphone or the tablet.
The previous described parameters must also be correctly filled in.
T
hree dataset types are available:
Automatic: records the average value, the minimum and maximum values a
nd the standard deviation
measured by the device during the measurement dataset
Point by point: record
s the average value, the minimum and maximum values and the standard deviation
measured by the device
on different measurement points defined by the user.
Automatic point by point: records the average val
ue, the minimum and maximum values and the standard
deviation measured by the device on different meas
urement points defined by the user and on a defined period
for each measurement point.
6.4.4.1Save an automatic dataset
Position correctly the differential pressure device on the required location.
Press “Rec”.
The following screen displays:
Press “Automatic” then “Select” at the bottom of the screen.
The measurement dataset starts: its duration displays in the upper-right corner of the screen.
Press “Stop” in the upper-right corner of the screen when the required duration of the dataset is reached.
The following screen displays:
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Fill in a name and a description for this record.
Press “Save” to only keep the record.
or
Add this r
ecord to a measurement dataset:
Press “Dataset” line then select the required dataset.
If no dataset i
s saved:
Press “Dataset” line.
Press “+” button in the upper-right corner of the screen.
Name the dat
aset then validate.
6.4.4.2Save a point by point dataset
Position correctly the differential pressure device at the required location.
Press “Rec” button.
The following screen displays:
Press “Point by point” then “Select” at the bottom of the screen.
Press OK each time that a measurem
ent point need to be recorded.
Press “Stop” in the upper-right corner of the screen when the required
number of measurement points is reached.
The following screen displays:
Fill in a name and a description for this record.
Press “Save” to only keep the record.
or
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Add this record to a measurement dataset:
Press “Dataset” line then select the required dataset.
If n
o dataset is saved:
Press “Dataset” line.
Press “+” button in the upper-right corner of the screen.
N
ame the dataset then validate.
6.4.4.3Save an automatic point by point dataset
Position correctly the differential pressure device on the required location.
Press “Rec”.
The following screen displays:
Press “Automatic point by point” then “Select” at the bottom of the screen.
The following screen displays:
Set the duration between each measurement then press “Validate”.
Press OK in the upper-right corner
of the screen.
The device carries out a measurement point during the defined period.
Press OK each time a measurement point must be recorded.
Press “Stop” in the upper-right corner of t
he screen when the required number of measurement points is reached.
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The following screen displays:
Fill in a name and a description for this record.
Press “Save” to only keep the record.
or
Add this r
ecord to a measurement dataset:
Press “Dataset” line then select the required dataset.
If no dataset i
s saved:
Press “Dataset” line.
Press “+” button in the upper-right corner of the screen.
Name the dat
aset then validate.
6.5Set the correction coefficient
The correction coefficient is a calculation factor which allows to “smooth” measurement. The principle is the following:
The correction coefficient can be modified on the range from 0 to 9. When the facto
r is set on 9, it takes 90% of the
previous value on which are added 10% of the current value. Therefore, the measurement “smoothing” is more or less
important according to the defined value.
To set this f
actor:
From the measurement screen:
Press “Options”.
The list of options to set displays.
Press “Integration”.
Select a value between 0 and 9.
Press “Validate”.
6.6Modify the measurement units
The application allows to modify the units for each parameter used by the DBM 620. These parameters and their
corresponding units are:
Temperature: °C, °F
Pressure: Pa, mmH
2
O, mmHg, inWg
Atmospheric pressure: hPa, mbar
Air velocity: m/s, fpm, km/h, mph
Airflow: m³/h, L/s, cf
m
Distance: mm, in
From the measurement screen:
Press “Options”.
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The list of options to set displays.
Press the line of the parameter to modify.
Select the required unit.
Press “Select” at the bottom of
the screen.
6.7Fill in operator information
The application allows to fill in information on an operator.
From the measurement screen:
Press “Opt
ions”.
The list of options to set displays.
In “Operator” part:
Fill in the Name, First name, Company, Address, Town, Email and Phone fields.
Add
a logo if required.
Operator information is automatically reported when generating pdf measurement re
ports.
6.8Manage measurements records and datasets
Measurements records only or measurement records integrated to a dataset are available from the application. It is then
possible to visualise values under table or graphic form and export them under diff
erent formats.
6.8.1Access the measurement records and datasets
One measurement record or dataset must at
least be saved.
From the measurement screen:
Press “Datasets” in the lower-right corner of the screen
.
The following screen displays:
Press the required record in “Records” part.
or
Press the required dataset, the list of records in th
is dataset opens, press the required record.
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The recorded values display:
Press “Table” or “Graphic” icon to display the values table or graphic:
6.8.2Export the values
A record
Press “Export”.
must be opened.
The following screen displays:
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Fill in the customer information.
Information about operator previously filled in will be automatica
lly reported when generating measurement
reports.
Fill in a comment.
Define the measurement reports sp
ecificities:
Title
Type of report: pdf, csv or xml
Type of elements to integrate in the report: table
of values, graphic, sum of averages and room volume.
Photos
Press “Export” button.
The report opens.
Save this report in your smartphone or tablet.
And/or
Send or share this report.
6.8.3“Air Change Rate”
function (ACR)
The ACR function allows to know the air change rate in the room according to the room
volume and the measured airflow.
Therefore, the air change rate corresponds to the measured airflow av
erage divided by the volume of the room.
A record must be opened.
Press “Export” (see page 33 for the
complete procedure to export measured data).
In the measurement report specificities, select the elem
ents to integrate to the measurement report and fill in the
room volume in m
3
.
Press “Export”.
The report opens.
Save this report in the smartphone or the tablet.
And/or
Send or share this report.
6.8.4Example of pdf r
eport
1.Name and date of the measurement record (present on each page)
2.Customer information
3.Operator in
formation
4.Eventual comments
5.Measurements recap:
- Sum of average airflow in m³/h
- Air renewal rate of
the room
- Room volume in m³
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1.Record information
2.Device information
3.Measurement parameters
1.Table of values
1.Graphic
1.Attachments
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