TESTO 915i User manual

testo · Smart Probes
Instruction manual
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1 Contents
3
1 Contents
1Contents................................................................................3
2Safety and the environment................................................5
2.1. About this document .......................................................... 5
2.2. Ensure safety ...................................................................... 6
2.2.1. Safety and the testo 510i/605i/915i ........................................................................ 6
2.2.2. Safety and the testo 605i ......................................................................................... 6
2.2.3. Safety and the testo 549i/552i ................................................................................. 6
2.2.4. Safety and the testo 805i ......................................................................................... 7
2.2.5. Safety and the testo 552i ......................................................................................... 7
2.3. Protecting the environment ............................................... 7
3Specifications .......................................................................8
4Product description .............................................................9
4.1. Overview of Smart Probes ................................................ 9
4.2. LED status ........................................................................... 9
5First steps ...........................................................................10
5.1. Switching on/off ................................................................ 10
5.1.1. Switching on ............................................................................................................ 10
5.1.2. Switching off ............................................................................................................ 10
5.2. Establishing Bluetooth®connection............................... 10
5.3. Transmitting readings ...................................................... 11
6Using the App.....................................................................12
6.1. Overview of operating controls....................................... 12
6.2. App options........................................................................ 12
6.2.1. Set “Language”........................................................................................................ 12
6.2.2. Display Tutorial........................................................................................................ 13
6.2.3. Display App Info ...................................................................................................... 13
6.3. Application menus ............................................................ 13
6.3.1. Selecting the application menu ............................................................................. 13
6.3.2. Setting favourites .................................................................................................... 13
6.3.3. Displaying information about an application ........................................................ 13
6.4. Smart Probe settings ....................................................... 14
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1 Contents
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6.5. testo 115i/915i - Surface increment............................... 14
6.6. List, graphic diagram and table view............................. 15
6.7. Settings view ..................................................................... 16
6.8. Exporting readings ........................................................... 16
6.8.1. Excel (CSV) Export ................................................................................................. 17
6.8.2. PDF Export .............................................................................................................. 17
7Maintaining the product.................................................... 18
7.1. Maintaining Smart Probes............................................... 18
7.2. Smart Probes App............................................................ 18
8Tips and assistance .......................................................... 19
8.1. Questions and answers................................................... 19
8.2. Accessories and spare parts .......................................... 19
9Technical data.................................................................... 20
9.1. Bluetooth module ............................................................. 20
9.2. General technical data..................................................... 20
9.2.1. testo 905i.................................................................................................................. 20
9.2.2. testo 410i.................................................................................................................. 21
9.2.3. testo 405i.................................................................................................................. 21
9.2.4. testo 549i.................................................................................................................. 22
9.2.5. testo 805i.................................................................................................................. 23
9.2.6. testo 605i.................................................................................................................. 24
9.2.7. testo 510i.................................................................................................................. 24
9.2.8. testo 115i.................................................................................................................. 25
9.2.9. testo 915i.................................................................................................................. 26
9.2.10. testo 552i.................................................................................................................. 27
10 Certifications...................................................................... 28
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2 Safety and the environment
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2 Safety and the environment
2.1. About this document
Use
> Please read this documentation through carefully and
familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.
> Keep this document to hand so that you can refer to it when
necessary.
> Hand this documentation on to any subsequent users of the
product.
Symbols and writing standards
Representation Explanation
Warning advice, risk level according to the
signal word:
Warning! Serious physical injury may occur.
Caution! Slight physical injury or damage to
the equipment may occur.
> Implement the specified precautionary
measures.
Note: Basic or further information.
1. ...
2. ...
Action: more steps, the sequence must be
followed.
> ... Action: a step or an optional step.
- ... Result of an action.
Menu Elements of the instrument, the instrument
display or the program interface.
[OK] Control keys of the instrument or buttons of
the program interface.
... | ... Functions/paths within a menu.
“...” Example entries
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2 Safety and the environment
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2.2. Ensure safety
> Do not operate the instrument if there are signs of damage at
the housing, mains unit or feed lines.
> Do not perform contact measurements on non-insulated, live
parts.
> Do not store the product together with solvents. Do not use any
desiccants.
> Carry out only the maintenance and repair work on this
instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts
from Testo.
> Dangers may also arise from the systems being measured or
the measuring environment: Note the safety regulations valid in
your area when performing the measurements.
2.2.1. Safety and the testo 510i/605i/915i
• Magnetic field
• May be harmful to those with pacemakers.
> Keep a minimum distance of 10 cm between pacemaker and
instrument.
2.2.2. Safety and the testo 605i
• Not for condensing atmospheres. For continuous application in
high humidity (> 80 %RH at ≤30 °C for > 12 h, > 60 %RH at >
30 °C for > 12 h), contact us via www.testo.com.
• The sensor must not be exposed to volatile chemicals such as
solvents (e.g. ketene, ethanol, isopropyl alcohol, toluene) or
organic compounds, especially in high concentrations and
corresponding gases, over a prolonged period of time.
2.2.3. Safety and the testo 549i/552i
• Risk of injury due to pressurized, hot, cold or toxic
refrigerants/media!
> Only to be used by qualified staff.
> Wear protective goggles and safety gloves.
> Before applying pressure to the measuring instrument: always
fix the instrument tightly onto the pressure connection
> Comply with the permissible measuring range (0 to 60 bar). Pay
particular attention to this in systems with R744 refrigerant,
since these are frequently operated at higher pressures!
> Use with A2L refrigerants
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2 Safety and the environment
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Testo measuring instruments (as of July 2020) can be used in
compliance with the prescribed laws, standards, directives and
safety regulations for refrigeration systems and refrigerants as
well as regulations of the manufacturers of refrigerants of safety
group A2L as per ISO 817.
Regional standardization and interpretation must always be
observed.
For example, DIN EN 378-Part 1-4 applies to the scope of the
EN standards.
During maintenance work, the employer must ensure that a
hazardous explosive atmosphere is prevented (see also
TRBS1112, TRBS2152 VDMA 24020-3).
A hazardous and potentially explosive atmosphere must be
anticipated during maintenance and repair work on refrigeration
systems with flammable refrigerants (e.g. those of category A2L
and A3).
Maintenance, repairs, removal of refrigerants and
commissioning of systems may only be carried out by qualified
personnel.
2.2.4. Safety and the testo 805i
• Laser radiation! Class 2 laser
> Do not look into the laser beam!
2.2.5. Safety and the testo 552i
• The testo 552i Smart Probe must not be connected if the
pressure is higher than 5 bar. Otherwise, damage may occur.
2.3. Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
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3 Specifications
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3 Specifications
Testo Smart Probes are different hand-held measuring instruments
for various applications that communicate with your mobile terminal
devices by means of an app. The respective Smart Probe performs
the measurement and is operated by your mobile terminal device.
The various Smart Probes allow you to measure the temperature,
humidity, flow, and volume flow at the outlet, or perform pressure,
differential pressure, and non-contact temperature measurements
in the duct.
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4 Product description
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4 Product description
4.1. Overview of Smart Probes
1 Measuring unit
2 LED
3 Key
4 Battery compartment (at the back)
5 Direction of flow testo 405i / testo 410i (not shown)
(An arrow on the top of the housing displays the direction of
flow in which the measuring instrument has been calibrated and
which achieves the best measurement results. Please note the
direction of flow during usage.)
4.2. LED status
LED status Meaning
Flashing red Low battery status
Flashing yellow • Smart Probe is switched on.
• Smart Probe is searching for a BT connection, but is
not connected.
Flashing green • Smart Probe is switched on.
• Bluetooth is connected.
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5 First steps
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5 First steps
5.1. Switching on/off
testo 549i/552i
5.1.1. Switching on
1. Pull the film out of the battery compartment.
2. Press the button on your Smart Probe.
- The Smart Probe switches on.
5.1.2. Switching off
1. Press and hold the button on your Smart Probe.
- The Smart Probe switches off.
5.2. Establishing Bluetooth®connection
You need a tablet or smartphone with the Testo SMART App already
installed on it to be able to establish a Bluetooth connection.
You can get the App for iOS instruments in the App Store or for
Android instruments in the Play Store.
Compatibility:
• requires iOS 12.0 or later/Android 6.0 or later
• requires Bluetooth 4.2
• Tested with the following smartphones/tablets:
www.testo-international.com/de/smartprobesmanuals/
✓The Testo SMART App is installed on your terminal device and
ready for use.
1. Press the button on the Smart Probe.
- The Smart Probe switches on.
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5 First steps
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- The LED flashes yellow while connecting via Bluetooth and
then flashes green once the connection is established.
- The connection between the Smart Probe and your mobile
terminal device is established.
5.3. Transmitting readings
✓The Smart Probe is switched on and connected to your mobile
terminal device via Bluetooth.
- The current readings are automatically displayed in the App.
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6 Using the App
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6 Using the App
6.1. Overview of operating controls
1 Choice of applications.
2 Switch between the views (list, graphic diagram, table)
3 Display of connected Smart Probes including readings
4 Start/stop
5 Measurement configuration (the menu changes depending
on the Smart Probe connected and the application selected)
6 Smart Probe configuration
6.2. App options
6.2.1. Set “Language”
1. Tap -> Settings -> Language.
- A selection list is displayed.
2. Tap the required language.
- The language has been changed.
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6 Using the App
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6.2.2. Display Tutorial
The Tutorial guides you through the first steps when operating the
Testo SMART App.
1. Tap -> Help & Information -> Tutorial
- The Tutorial is displayed. In Tutorial, swipe to display the next
page.
2. Tap X to close the Tutorial.
6.2.3. Display App Info
In App Info you can find the version number of the installed App.
1. Tap -> Help & Information -> Instrument information
- The App’s version number is displayed, as well as the ID.
6.3. Application menus
6.3.1. Selecting the application menu
1. Press .
- A selection of menus for various applications is displayed.
2. Select the required application.
- The selection disappears and your selected application is
displayed.
6.3.2. Setting favourites
1. Press .
- A selection of applications is displayed.
2. Press next to the application that you would like to
designate as a favourite.
- The asterisk is displayed in orange .
6.3.3. Displaying information about an application
1. Press .
- A selection of applications is displayed.
2. Press .
- The information about an application is displayed.
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6 Using the App
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6.4. Smart Probe settings
1. Press -> Sensors.
3. Select the Smart Probe to display the details you would like to
see.
- A list with details about the Smart Probe appears in the
Information tab.
4. You can activate the damping in the Settings tab.
If the readings fluctuate wildly, it is advisable to damp the readings.

The probe is connected to the SMART App.
1
Click on .

Main menu opens.
2
Click on Sensors.

The Sensors menu opens.
3
Click on the required sensor.

Information is displayed about the model, order number, serial number
and firmware version.
4
Click on the Settings tab.

The settings window opens.
5
Enable Activate damping using the slider.
6
Click on Average of the measured values.

Window for Average of the measured values opens.
7
Enter a value between 2 and 20 seconds.
6.5. testo 115i/915i - Surface increment
Surface probes withdraw heat from the measured surface immediately
after the initial contact. This makes the measurement result lower than
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6 Using the App
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the true surface temperature without the probe (or the reverse if the
surface is colder than the environment). This effect can be corrected by
an increment in % of the reading.

The probe is connected to the SMART App.
1
Click on .

Main menu opens.
2
Click on Sensors.

The Sensors menu opens.
3
Click on the required sensor.

Information is displayed about the model, order number, serial number
and firmware version.
4
Click on the Settings tab.

The settings window opens.
5
Click on Use surface increment.
6
Enable Activate surface increment using the slider.
6.6. List, graphic diagram and table view
The available readings can be displayed in different ways in the
various views.
• List view
Displays the readings transmitted by the Smart Probe in the
form of a list. Readings from all connected Smart Probes are
displayed here.
• Graphic diagram view
The graphical progression of up to four different readings can
be displayed. Tap on a reading above the diagram to select the
readings to be displayed.
• Table view
In the Table view, all readings are displayed in sequence
according to date and time. The different readings from the
individual Smart Probes can be selected by pressing ◄►.
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6 Using the App
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6.7. Settings view
1. Press and select Edit View.
- An overview of parameters is displayed.
2. Deselect the check mark to hide a Smart Probe reading.
3. Press ▼to select the unit for a reading.
4. Press OK to confirm your settings
6.8. Exporting readings
1. Press -> Memory -> Select measurement.
Export
Report
Delete
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6 Using the App
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6.8.1. Excel (CSV) Export
1. Press .
- A selection of export options appears.
2. Press Start export.
- A selection of sending/export options appears.
3. Select your required sending/export options.
6.8.2. PDF Export
1
Click on Report.

A selection window is displayed.
2
If required, activate the Create PDF with all readings button.
3
Click on Create.
For measurements, please be aware that the option Create PDF with
all readings is only possible up to 30 pages, due to the resulting file
size and number of pages. In the testo DataControl software, however,
PDF reports can be created for all measurements without any
restrictions.

A report containing all the information is created.

A selection window is displayed. The report can be sent via e-mail or
Bluetooth®.
4
Click on e-mail or Bluetooth®.

The report will be sent.
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7 Maintaining the product
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7 Maintaining the product
7.1. Maintaining Smart Probes
Cleaning the instrument
> Do not use any aggressive cleaning agents or solvents!
> Mild household cleaning agents or soap suds may be used.
> If the housing of the instrument is dirty, clean it with a damp
cloth.
Keeping connections clean
> Keep connections clean and free of grease and other deposits,
clean with a damp cloth as required.
Ensuring measuring accuracy
> Testo Customer Service would be glad to further assist you if
you so wish.
> Keep within the permissible measuring range!
> Calibrate instrument regularly (recommendation: once a year).
7.2. Smart Probes App
The Testo SMART App is kept updated via the Play Store for
Android devices and the App Store for iOS devices. Please update
the App as soon as a new update is available. We therefore
recommend that you do not disable automatic notifications when
new updates are available.
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8 Tips and assistance
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8 Tips and assistance
8.1. Questions and answers
Question Answer
LED flashes red • Batteries are almost spent.
• Change batteries.
The instrument
switches itself off
Remaining battery capacity insufficient
> Change the batteries.
--- lights up instead of
the measurement
parameter display
• Outside the permissible measuring range.
> Keep within the permissible measuring range.
or
• Sensor is defective
> Contact your testo Service department.
The App cannot be
found in the store
• No correct search terms were entered.
> Enter an unambiguous search term, e.g.: “testo
Smart Probes” or use the link on the testo website.
or
• Your mobile terminal device does not meet the
technical requirements (iOS 12.0 or later, Android
6.0 or later / Bluetooth 4.2 (Low Energy))
> Please check the technical data for your mobile
terminal device
8.2. Accessories and spare parts
Designation Item number
testo Smart Case (Refrigeration) for storing and transporting
2 × testo 115i and 2 × testo 549i, dimensions 250 × 180 ×
70 mm
0516 0240
testo Smart Case (Heating) for storing and transporting
testo 115i, testo 410i, testo 510i, testo 549i and testo 805i,
dimensions 250 × 180 × 70 mm
0516 0270
testo Smart Case (VAC) for storing and transporting
testo 405i, testo 410i, testo 510i, testo 605i testo 805i and
testo 905i, dimensions 270 × 190 × 60 mm
0516 0250
testo Smart Case (temperature) for the storage and
transportation of testo 915i and plug-in probes, dimensions
250 x 180 x 70 mm
0516 0032
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9 Technical data
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9 Technical data
9.1. Bluetooth module
The use of the wireless module is subject to the
regulations and stipulations of the respective country of
use, and the module may only be used in each case in
countries for which a country certification has been
granted.
The user and every owner undertake to adhere to these
regulations and prerequisites for use, and acknowledge
that the re-sale, export, import, etc. in particular in, to or
from countries without wireless permits, is their
responsibility.
9.2. General technical data
All accuracy specifications apply at a nominal temperature
of 22 °C.
9.2.1. testo 905i
Feature Values
Measuring range -50 to 150 °C / -58 to 302 °F
Accuracy ± 1 digit ± 1 °C / ± 1.8 °F
Resolution 0.1 °C / 0.1 °F
Measurement rate 1/sec
Available units of
measurement
°C, °F
Storage temperature -20 °C to 60 °C / -4 to 140 °F
Operating temperature -20 °C to +50 °C / -4 to 122 °F
Battery type 3 micro batteries AAA
Battery life 150 h
Dimensions 222 mm × 30 mm × 24 mm
Probe shaft length 100 mm
Probe shaft diameter 4 mm
Directives, standards
and tests
EU guideline: 2014/30/EU
RED: 2014/53/EU
RoHS: 2011/65/EU + (EU) 2015/863
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