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 been 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 non-respect, voluntary or involuntary, of recommendations, conditions and prerequisites indicated hereafter.
Measurement is performed using a differential pressure sensor, adjusted in atmospheric pressure and temperature, compensated in temperature. The Patented* DBM 620 folding frame limits space restrictions and allows for easier mounting. The measuring unit of the air flow meter, removable, can be used as a micromanometer.
2.2 Technical features Parameter Accuracy Measuring range Resolution Airflow (calculated ±3% of the measurement ±10 m From 35 to +4250 m parameter) Air velocity (calculated 0.01 m/s up to 3 m/s ±3% of the measured value ±0.04 m/s From 0.2 to 10 m/s parameter) and 0.1 m/s beyond ±0.2°C Temperature (NTC)
2.3 General features Display On smartphone or tablet Integrated support for Adjustable integrated support smartphone or tablet Smartphone or tablet max. dimensions: 6.2’’ 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...
• Consult the dealer or an experienced radio/TV technician for help. • Any changes or modifications to this equipment not expressly approved by Sauermann may cause, harmful interference and void the FCC authorization to operate this equipment. 2.6.2 Canadian standard This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s).
3. AIR FLOW METER DESCRIPTION 3.1 Base Outside of the base: • 1. DBM 620 electronic module 2. Electronic module connecting plugs 3. Thermo-hygrometric measurement platen 4. and 5. Press to connect or disconnect the module of the base Inside the base: •...
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 using a differential pressure sensor, adjusted in atmospheric pressure and temperature, compensated in temperature. 3.3 Electronic module 3.3.1 Features Shock-proof made of ABS...
3.3.2 Power supply and batteries replacement The airflow meter is supplied in standard with 4 batteries type AA LR6 1.5V. To replace batteries: ➢ Remove the batteries cover then used batteries. ➢ Replace batteries respecting carefully the polarity. ➢ Replace the batteries cover. ➢...
3.4.2 Mounting of the hoods 3.4.3 First mounting Once the device received, please follow theses steps to mount the elements on the base: 1. Unfold the frame The foldable frame allows a quicker and easier mounting and a compact storage system. 2.
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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.
3.4.4 Elements storage A complete disassembly is not necessary to store the elements in the transport case. 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). ➢...
Problem Probable cause and possible solution Batteries can be defective or flat. Replace the old batteries by new The DBM 620 does not switch on. ones, respecting carefully the polarity. For batteries replacement, please see page 13. Do not use the device if it is broken or if it works abnormally.
5. SMARTKAP MOBILE APP 5.1 Presentation SmartKap application allows the DBM 620 air flow meter measurements visualisation and exploitation. The application communicates with wireless connection via the smartphone/tablet and the DBM 620 module. 5.2 Minimal required configuration For an optimal operation, the following minimum required versions must be installed on the tablet or smartphone: Android 4.4 •...
6. USE SMARTKAP APPLICATION 6.1 Set 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 DBM 620 module. To carry out these settings and get information, the DBM 620 module must be connected via wireless connection to the smartphone or the tablet.
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 Via the mobile application With the DBM 620 module button (micromanometer mode) Press “Rec” then “Validate” to start recording. Press “Rec” from the mobile application, then the DBM 620 module button to start recording.
6.3 Use the application in balometer mode 6.3.1 Connect the mobile device and the DBM 620 module Here is the procedure to follow to connect the smartphone or the tablet in wireless connection to the DBM 620 module: Wireless connection must be activated on the smartphone or the tablet. ➢...
The following screen displays: ➢ Press the air vent type on which measurements will be carried out. ➢ Press “Select” at the bottom of the screen. ➢ Position the air flow meter thanks to the animation explaining how to position correctly the air flow meter on the air vent.
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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 air vent type, it first needs to be created. From the parameters screen: ➢...
➢ 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.
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The list of available air vent types displays: ➢ Press the required air vent type. ➢ Press “Select” at the bottom of the screen. ➢ Once the air vent selected, click “Modify” icon on top of the screen. The air vent features screen displays: ➢...
➢ Fill in the coefficient value. ➢ Press “Validate”. 6.3.4 Save a measurement dataset To save a measurement dataset, the DBM 620 module must be connected via wireless connection to the smartphone or to the tablet. The previous described parameters must also be correctly filled in. ➢...
Here is the procedure to follow to connect the smartphone or the tablet via wireless connection to the DBM 620 module in manometer mode: Wireless connection 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 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”...
6.4.2.2 Select 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 this parameter. ➢ Fill in a static pressure. ➢ Press “Validate”. 6.4.4 Record a measurement dataset To record a measurement dataset, the DBM 620 must be connected via wireless connection to the smartphone or the tablet. The previous described parameters must also be correctly filled in. Three dataset types are available: •...
➢ Fill in a name and a description for this record. ➢ Press “Save” to only keep the record. ➢ Add this record to a measurement dataset: • Press “Dataset” line then select the required dataset. If no dataset is saved: •...
• 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 dataset then validate. 6.4.4.3 Save an automatic point by point dataset ➢...
The following screen displays: ➢ Fill in a name and a description for this record. ➢ Press “Save” to only keep the record. ➢ Add this record to a measurement dataset: • Press “Dataset” line then select the required dataset. If no dataset is saved: •...
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. 6.7 Fill in operator information The application allows to fill in information on an operator. From the measurement screen: ➢...
The recorded values display: ➢ Press “Table” or “Graphic” icon to display the values table or graphic: 6.8.2 Export the values A record must be opened. ➢ Press “Export”. The following screen displays: USE SMARTKAP APPLICATION...
➢ Fill in the customer information. ➢ Information about operator previously filled in will be automatically reported when generating measurement reports. ➢ Fill in a comment. ➢ Define the measurement reports specificities: • Title • Type of report: pdf, csv or xml •...
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1. Record information 2. Device information 3. Measurement parameters 1. Graphic 1. Table of values 1. Attachments USE SMARTKAP APPLICATION...
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NT_DBM 620 - SmartKap_EN – 14/04/21 – Non-contractual document – We reserve the right to modify the characteristics of our products without prior notice.
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