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0635 9430
User manual
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Testo Instruments 0632 1270, 0635 9430 User manual

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Page 1
testo 440 – Climate Measuring Instrument
Instruction manual
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Page 2
Contents
Contents
1 Safety and disposal .............................................................................. 3
1.1 About this document .............................................................................. 3
1.2 Security .................................................................................................. 3
1.3 Warning notices ..................................................................................... 4
1.4 Disposal ................................................................................................. 5
2 Description of the instrument ............................................................... 6
2.1 Use ......................................................................................................... 6
2.2 Overview of testo 440 ............................................................................ 6
2.3 Display overview .................................................................................... 7
2.4 Magnetic holder ..................................................................................... 8
2.5 Power supply ......................................................................................... 9
2.6 Probe overview .................................................................................... 10
2.6.1 Compatible cable probe ........................................................ 10
2.6.2 Compatible Bluetooth® probe ............................................... 11
2.6.3 Compatible NTC probe ......................................................... 11
2.6.4 Compatible Smart Probes ..................................................... 12
3 Operation ........................................................................................... 12
3.1 Commissioning .................................................................................... 12
3.2 Switching the testo 440 on/off ............................................................. 13
3.3 Making basic settings .......................................................................... 14
3.3.1 Establishing a Bluetooth® connection ................................... 14
3.3.2 Setting power options ........................................................... 15
3.3.3 Setting the ambient conditions .............................................. 16
3.3.4 Configuring the unit system ................................................... 17
3.3.5 Setting the date and time ...................................................... 17
3.3.6 Setting the language .............................................................. 18
3.3.7 Showing general device information ..................................... 18
3.3.8 Humidity adjustment.............................................................. 19
3.3.9 Resetting the instrument or probe to default settings ........... 20
3.4 Managing saved measurement data .................................................... 20
3.4.1 Printing .................................................................................. 23
3.4.2 CSV export ............................................................................ 24
3.5 Carrying out measurements ................................................................. 26
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Contents
3.5.1 Connecting the cable probe with testo 440 .......................... 26
3.5.2 Connecting the Bluetooth® probe with testo 440 ................. 26
3.5.3 Basic View ............................................................................ 27
3.5.4 Selecting application menus ................................................. 28
3.5.5 Volume flow application [Volume Flow] ................................ 29
3.5.6 Funnel volume flow application [Funnel Volume Flow] ......... 31
3.5.7 Pitot volume flow application [Pitot Volume Flow] ................ 33
3.5.8 K-factor volume flow application [K-Factor Volume Flow] .... 35
3.5.9 Heating/cooling load application [Heating/Cooling Load] ..... 36
3.5.10 Mold indication application [Mold Indication] ....................... 38
3.5.11 Turbulence measurement application [Draft Rate] ................ 40
3.5.12 Performing long-term measurement application [Logger
Mode] .................................................................................... 41
4 Maintenance ...................................................................................... 43
4.1 Battery replacement ............................................................................ 43
4.2 Cleaning testo 440 ............................................................................... 43
4.3 Calibration ........................................................................................... 43
4.4 Carrying out a firmware update ........................................................... 44
5 Technical data ................................................................................... 45
6 Tips and assistance ........................................................................... 47
6.1 Questions and answers ....................................................................... 47
6.1.1 LED status Bluetooth® probe ................................................ 47
6.1.2 Hot wire measurement not possible ..................................... 47
6.2 Accessories and spare parts ............................................................... 47
7 Authorisations and certification .......................................................... 49
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1 Safety and disposal
1 Safety and disposal
1.1 About this document
The instruction manual is an integral part of the instrument. Pay particular attention to the safety instructions and warning advice in
order to prevent injury and damage to the product.
Keep this documentation on hand so that you can refer to it when
necessary.
Hand this instruction manual on to any subsequent users of the product.
1.2 Security
General safety instructions
Only operate the product properly, for its intended purpose, and within the
parameters specified in the technical data.
Do not apply any force. Do not operate the instrument if there are signs of damage on the housing,
power supply or connected cables.
Dangers may also arise from objects to be measured or the measuring
environment. Always comply with the locally valid safety regulations when carrying out measurements.
Do not store the product together with solvents. Do not use any desiccants. Only perform maintenance and repair work on this instrument that is
described in this documentation. Follow the prescribed steps exactly when doing the work.
Use only original spare parts from Testo. Maintenance work that is not described in this documentation must only be
carried out by trained service engineers.
Temperature information given on probes/sensors relates only to the
measuring range of the sensor technology. Do not expose handles and feed lines to temperatures in excess of 70 °C (158 °F), unless they are expressly authorized for use at higher temperatures.
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1 Safety and disposal
Do not carry out any contact measurements on uninsulated, live parts. Transport and store the instrument only in the associated packaging, in
order to prevent any damage to the sensor.
Batteries
Improper use of batteries may cause the batteries to be destroyed, or lead
to injury due to current surges, fire or escaping chemicals.
Only use the batteries supplied in accordance with the instructions in the
instruction manual.
Do not short-circuit the batteries. Do not take the batteries apart and do not modify them. Do not expose the batteries to heavy impacts, water, fire or temperatures in
excess of 60 °C.
Do not store the batteries in the proximity of metal objects. Do not use any leaky or damaged batteries. Take the rechargeable battery out of the instrument immediately if it is not
functioning properly or if it shows signs of superheating. Rechargeable battery may be hot!
In the event of contact with battery acid: rinse affected areas thoroughly
with water, and if necessary consult a doctor.
When not in use for a long period of time, take the rechargeable battery out
of the instrument to prevent exhaustive discharge.
1.3 Warning notices
Always pay attention to any information marked with the following warning notices along with warning pictograms. Implement the specified precautionary measures!
DANGER
Risk of death!
WARNING
Indicates possible serious injury.
CAUTION
Indicates possible minor injury.
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1 Safety and disposal
CAUTION
Indicates possible damage to equipment.
1.4 Disposal
Dispose of faulty rechargeable batteries and spent batteries in accordance
with the valid legal specifications.
At the end of its useful life, deliver the product to the separate collection
point for electric and electronic devices (observe local regulations) or return the product to Testo for disposal.
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2 Description of the instrument
2 Description of the instrument
2.1 Use
The testo 440 is used for measuring climate-related parameters. The testo 440 is particularly suitable for comfort level measurements for remove the workplace evaluation and disturbance measurements in and at air conditioning systems.
The instrument is only to be used by qualified personnel and must not be used in potentially explosive atmospheres!
2.2 Overview of testo 440
Element Element
1 Settings 2 Confirm input/selection 3 Menu 4 Testo Universal Connector (TUC)
for connection of cabled probes with corresponding plug
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2 Description of the instrument
5 Type K thermocouple connection 6 Back 7 Navigation 8 Instrument ON/OFF 9 Micro USB port for data
transfers or connection to external power supply
10 Connections for differential
pressure measurements (+ / - labelling on rear of
instrument, only testo 440 dP)
2.3 Display overview
Element Element
1 Zero pressure sensor 2 Probe identification 3 Measuring values 4 Measuring Application 5 Status bar
Symbol Meaning
Start measurement
Stop measurement
Carry out multi-point measurement
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2 Description of the instrument
Symbol Meaning
Pause measurement
Save measurement
New measurement
Zero pressure sensor
2.4 Magnetic holder
Two magnets are integrated in the testo 440 measuring instrument. These can be used as a holder on magnetic surfaces.
Element Element
1 Integrated magnet 2 Battery compartment
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2 Description of the instrument
DANGER
Integrated magnet Danger: Life threatening to people with pacemakers!
- Keep a distance of at least 20 cm between your pacemaker and the
measuring instrument.
CAUTION
Integrated magnet Damage to other devices!
- Keep a safe distance from devices that may be damaged by magnetism
(e.g. monitors, computers, credit cards, memory cards, etc.).
2.5 Power supply
Element Element
1 Power supply connection via
micro USB cable (must be connected to the power source).
2 Battery compartment - 3 x AA
batteries
No batteries are required for operation
When connected to a power supply, the rechargeable batteries used will not be recharged.
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2 Description of the instrument
2.6 Probe overview
2.6.1 Compatible cable probe
Order number Name
0635 1032 Hot wire probe including temperature sensor, fixed
cable
0635 1572 Hot wire probe including temperature and humidity
sensor, fixed cable
0635 9572 Vane probe (Ø 16 mm) including temperature sensor,
fixed cable
0635 9372 High-precision vane probe (Ø 100 mm) including
temperature sensor, fixed cable
0635 9432 Vane probe (Ø 100 mm) including temperature sensor,
fixed cable
0636 9772 High-precision temperature-humidity probe, fixed
cable
0636 9775 Robust temperature-humidity probe for temperatures
up to +180 °C, fixed cable
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2 Description of the instrument
Order number Name
0636 9732 Temperature-humidity probe, fixed cable 0635 0551 Lux probe 0632 1552 CO2 probe including temperature and humidity
sensor, fixed cable 0632 1272 CO probe, fixed cable 0628 0152 Turbulence probe, fixed cable 0635 9532 Vane probe (Ø 16 mm) fixed cable 0635 1052 Fume cupboard probe, fixed cable
2.6.2 Compatible Bluetooth
Order number Name
0635 1571 Hot wire probe with Bluetooth®, including temperature
and humidity sensor 0635 9571 Vane probe (Ø 16 mm) with Bluetooth®, including
temperature sensor 0635 9431 Vane probe (Ø 100 mm) with Bluetooth®, including
temperature sensor 0636 9771 High-precision temperature-humidity probe with
Bluetooth 0636 9731 Temperature-humidity probe with Bluetooth® 0632 1551 CO2 probe with Bluetooth®, including temperature and
humidity sensor 0632 1271 CO probe with Bluetooth®
®
®
probe
2.6.3 Compatible NTC probe
Order number Name
0615 1212 Waterproof immersion/penetration probe – with NTC
temperature sensor 0615 1712 Robust air probe – with NTC temperature sensor 0615 4611 Temperature probe with Velcro and NTC temperature
sensor 0615 5505 Clamp probe with NTC temperature sensor – for
measurements on pipes (Ø 6-35 mm) 0615 5605 Pipe wrap probe with NTC temperature sensor – for
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measurements on pipes (Ø 5-65 mm)
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3 Operation
2.6.4 Compatible Smart Probes
Order number Name
0560 1115 testo 115i - clamp thermometer operated by
smartphone
0560 1805 testo 805i - infrared thermometer operated by
smartphone
0560 1605 testo 605i - thermohygrometer operated by
smartphone
0560 1405 testo 405i - thermal anemometer operated by
smartphone 0560 1410 testo 410i - vane anemometer operated by smartphone 0560 1510 testo 510i - differential pressure measuring instrument
operated by smartphone 0560 1549 testo 549i - high-pressure measuring instrument
operated by smartphone
3 Operation
3.1 Commissioning
The testo 440 is supplied with inserted batteries. The batteries are secured by a battery safety strip.
1 Open the battery compartment cover.
2 Remove the battery safety strip.
3 Close the battery compartment cover.
The testo 440 is ready for use.
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3.2 Switching the testo 440 on/off
Initial activation
For initial commissioning or after a factory reset, the Initial Operation menu is opened automatically. In normal mode, the last menu used is displayed after switching it on.
3 Operation
1
Press .
The Initial Operation menu is displayed.
2 Make the following settings in sequence:
- Language [Language]
Date (year/month/day) and time (format, time) [Date/Time]
- Unit system (ISO/US) [Units]
The basic settings have been set. They can be adjusted any time in
Settings.
Switching on
1
Press .
The last active menu when the instrument was switched off is
displayed.
Switching off
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3 Operation
1
Press and hold for at least 3 seconds.
The testo 440 switches itself off.
3.3 Making basic settings
Use the menu key to go to the testo 440 Settings menu. The following settings are available in this menu:
Menu item Function/Settings
Basic View Show current measuring values Select Application Select required application for the
measurement Memory Show and manage saved measurements Settings Making basic settings:
- Bluetooth
- Power Management Ambient Conditions
- Units
- Date/time
- Languages
- General (instrument and probe status,
3.3.1 Establishing a Bluetooth
testo 440 is switched on.

or
1
Press
Bluetooth® is activated or deactivated and either appears or disappears from the display.
You need to go to menu screen first and then select Settings.

1
Use to select Bluetooth.
and at the same time for at least 3 seconds.
reset)
®
connection
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3 Operation
2
Use to enable Bluetooth.
Bluetooth® is activated or deactivated and either appears or disappears from the display.
3
Press
or to exit the menu.
3.3.2 Setting power options
You can manage the energy consumption for your testo 440. The following functions are available for this purpose:
Auto Off: testo 440 switches off automatically after 5 minutes of inactivity Power Saving: the screen brightness is reduced to 10% after a minute; the
set brightness is restored by pressing any button
Brightness: setting the screen brightness from 10% to 100%
You need to go to menu screen first and then select Settings.

1
Use to select Power Management.
2
Press
3
Use to select the required setting and make changes.
If the Auto Off function is enabled, the testo 440 automatically switches itself off after 5 minutes of inactivity.
If the testo 440 is in logger mode, the Auto Off function is automatically deactivated during an active measurement.
4
Press
Setting Auto Off
or on the navigation key.
or to exit the menu.
You are in the Power Management menu.

1
Use to select Auto Off.
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3 Operation
2
Use to switch the On or Off function on or off.
3
Press
Setting power saving
You are in the Power Management menu.

1
Use to select Power Saving.
2
Use to switch the On or Off function on or off.
3
Press
Setting brightness
You are in the Power Management menu.

1
Use to select Brightness.
2
Use to set the brightness.
3
Press
or to exit the menu.
or to exit the menu.
or to exit the menu.
3.3.3 Setting the ambient conditions
In the Ambient Conditions menu, you can configure the following parameters:
Ambient Pressure
Pressure unit: Pa/mbar/hPa/mmH
Ambient temperature
Unit of temperature: °C/°F
You need to go to menu screen first and then select Settings.

1
Use to select Ambient Conditions.
2
Press or on the navigation key.
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O/inH2O/Torr/inHg/kPa/psi
2
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3 Operation
3
Use to select the parameters to be modified.
4
Use to configure the parameters to be modified.
5
Press
or to exit the menu.
3.3.4 Configuring the unit system
In the Units menu, you can switch between the European ISO and American US unit system.
You need to go to menu screen first and then select Settings.

1
Use to select the ISO/US.
The following units are used depending on what has been selected:
ISO unit US unit
m/s fpm m3/h cfm °C °F wb °C wb °C dp °C dp °F
2
Use to select the required setting.
3
Press
or to exit the menu.
When the unit system is changed, the units specified in the Basic View are overwritten.
3.3.5 Setting the date and time
You can set the date and time in the Date/Time menu. You can set the time in the formats 24 h, PM and AM.
You need to go to menu screen first and then select Settings.

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3 Operation
1
Use to select the Date/Time.
2
Press or on the navigation key.
3
Use to select the required settings.
4
Press
or to exit the menu.
3.3.6 Setting the language
You need to go to menu screen first and then select Settings.

4
Use to select Language.
5
Press or on the navigation key.
6
Use to select the required Language.
7
Confirm by clicking .
Exit from the menu is automatic and the language is applied.
When the unit system is changed, the units specified in the Basic View are overwritten.
3.3.7 Showing general device information
Under the General menu item, you will find all of the information about the testo 440 and connected probes. You can also reset the instrument to default settings.
You need to go to menu screen first and then select Settings.

1
Use to select General.
2
Press or on the navigation key.
The following information can be viewed:
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3 Operation
About Device
- Name
- Serial Number
- Firmware Version
- Battery
- Memory
About Probe (visible once probe is connected)
- Probe Name
- Serial Number
- Firmware Version
- Battery
Humidity Adjustment
See Section 3.3.8
3.3.8 Humidity adjustment
For humidity adjustment, the measurement parameter of the connected probe is adjusted to the reference value at the two standard adjustment points 11.3% RH and 75.3% RH; any deviations between the measuring value and the nominal value are minimised across the entire measuring range. The Testo calibration set provides a reference value to calculate the offset for a humidity adjustment.
Humidity adjustment is possible with the following probes:
Order number Name
0636 9771 High-precision temperature-humidity probe with
Bluetooth® 0636 9772 High-precision temperature-humidity probe, fixed cable 0636 9731 Temperature-humidity probe with Bluetooth® 0636 9732 Temperature-humidity probe, fixed cable 0636 9775 Robust temperature-humidity probe for temperatures up
testo 440 is switched on and the corresponding probe is connected.

Probe is already exposed to reference conditions (e.g. salt pot) for an adequate adjustment time.
Adjustment time for humidity probe: at least 30 minutes.
- You need to go to menu screen first then select Settings and then

clicking on Humidity Adjustment.
1
Select the relevant reference point of 11.3 or 75.3% RH with .
to +180 °C, fixed cable
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3 Operation
2 Select the probe to be adjusted.
3
Use to select Adjust and confirm with
An information window displays the remaining adjustment time and
.
the adjustment is carried out.
An information window displays the text Adjustment successful!.
4
Press
or to exit the menu.
After performance of a probe reset, the probe uses the calibration data set by the factory.
3.3.9 Resetting the instrument or probe to default
settings
You need to go to menu screen first and then select Settings.

4
Use to select General.
5
Press or on the navigation key.
6
Use to select Reset Device or Reset Probe.
7
Press .
8
Use to select Confirm.
9
Press or on the navigation key.
When the instrument is restarted, it will be reset to default settings.
3.4 Managing saved measurement data
In the Memory [Memory] menu item, all measurements from the application menu are saved with the time and date.
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3 Operation
Measurements are saved in the last folder set up. If there is no folder available, one will automatically be set up. Every day, a new folder is automatically set up on the measuring instrument.
Showing saved measurements
This function can be used to retrieve saved measurement results.
You need to go to menu screen first and then select Memory.

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3 Operation
3
Press
4
Use to select the required folder.
5
Press or on the navigation key.
6
Use to select the required measurement.
7
Press
or on the navigation key.
or on the navigation key to display measurement results.
Creating and deleting folders
This function can be used to create and delete folders for your measurements.
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If you delete a folder, you will also delete the measurements it contains.
You are in the Memory menu [Memory].

1
Press
The drop-down menu is displayed.
2
Use to select either Create Folder or Delete Folder.
in the folder view.
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3 Operation
3
Press
.
Deleting saved measurement data
This function can be used to delete saved measurements.
You need to go to menu screen first.

You have selected a folder containing measurement data or selected

a measurement file with .
1
Use to select the required folder.
2
Press .
3
Use to select the required measurement.
4
Press
The drop-down menu is displayed.
5
Press to delete the selected measurement data.
.
3.4.1 Printing
You can print out your measurement protocols directly on site using the Bluetooth
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®
printer (order no. 0554 0621).
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3 Operation
Please refer to the relevant instruction manual for details on operating the printer.
The Bluetooth® printer is connected to the testo 440.

1 Select the required measurement in the memory.
2
Press
.
3 Select Print [Print].
The Bluetooth® connection to the printer is automatically established.
This process may take a few seconds.
The protocol is printed.
®
During printing, the testo 440 interrupts the Bluetooth the connected probe. The connection is automatically restored after
connection to
printing has finished.
3.4.2 CSV export
1 Connect the testo 440 to your computer using the micro USB cable.
The AutoPlay window opens automatically on your screen.
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2
Click on Open folder to view files
[Open folder to view files].
3 Operation
The window with available file folders opens.
3
Click on the required folder.
The window with available files opens.
4
Drag the file from the folder to the target folder on your computer.
If your file format is not displayed correctly, this is probably because the language version of your operating system and your device are different. In this case, please open Excel and the relevant measurement data document on the testo 440 from within Excel. A corresponding Excel wizard enables modification of the file format.
You can add other details about the project to the CSV file.
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3 Operation
3.5 Carrying out measurements
3.5.1 Connecting the cable probe with testo 440
1 Connect the testo 440 to the probe using the TUC slot.
2 Remove the connector from the instrument to disconnect it.
3.5.2 Connecting the Bluetooth
440
1
Activate Bluetooth® using fast activation (press and at the same time for a minimum of 3 seconds) or the Settings menu (see Section 3.3.1).
26
®
probe with testo
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3 Operation
2 Press the button on the probe handle.
3
LED status
LED status Description
Flashing red Low battery status Flashing yellow Probe is switched on and searching
Flashing green The probe is switched on and
is displayed.
is shown top left on the display, as soon as the probe and testo
440 are connected to each other.
®
A connection to compatible Bluetooth
probes is automatically
searched for and established. Only one probe can be connected to the
®
testo 440 by Bluetooth
.
Please observe the relevant instructions for the probe when commissioning it.
The LED on the handle flashes yellow. The LED flashes green while the connection is being established.
Press the button on the probe handle a minimum of 3 seconds to switch the probe off.
for the Bluetooth® connection.
connected via Bluetooth® to the testo
440.
3.5.3 Basic View
In the Basic View [Basic View], both current and minimum and maximum measuring values can be read and saved. All compatible probes can be used. For a list of all compatible probes see Section 2.6.
The maximum of following probes can be connected at the same time:
1x TC
®
1x Bluetooth1x cable probe
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probe
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3 Operation
Depending on the connected probe, parameters can be configured for the measurement, for example, visibility of individual values or units.
1
Press
to open the Configuration
menu [Configure measurement].
Individual values being hidden does not affect the application, only the Basic View and long-term measurement. The configured units, on the other hand, are also taken up in the application menus.
For the instrument model testo 440 dP, zeroing can also be undertaken in the Basic View.
3.5.4 Selecting application menus
The testo 440 has permanently installed application menus. These enable the user to carry out convenient configuration and implementation of specific measuring tasks.
Available application menus are enabled as soon as a probe is connected. Unavailable application menus are greyed out on the display. More than one probe has to be connected to make some application menus accessible.
The units for the measuring values depend on the ISO/US setting and configuration in the Basic View.
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3 Operation
3.5.5 Volume flow application [Volume Flow]
Use this application to measure the volume flow at the outlet or in a ventilation system duct. There are different options for this. These mainly differ in the measuring range and require corresponding probes:
Thermal probes (including temperature measurement and possibly humidity
measurement) for low flow velocities
16 mm vane measuring head (including temperature measurement) for
average flow velocities
Pitot tube for measurements at high velocities and in heavily contaminated
flows with a high particle content
This application menu is accessed by one of the following probes:
Order number Name
0635 1032 Hot wire probe including temperature sensor, fixed
cable
0635 1571 Hot wire probe with Bluetooth®, including temperature
and humidity sensor
0635 1572 Hot wire probe with Bluetooth®, including temperature
and humidity sensor
0635 9571 Vane probe (Ø 16 mm) with Bluetooth®, including
temperature sensor
0635 9572 Vane probe (Ø 16 mm) including temperature sensor,
fixed cable
0635 9371 High-precision vane probe (Ø 100 mm) with
Bluetooth®, including temperature sensor
0635 9372 High-precision vane probe (Ø 100 mm) including
temperature sensor, fixed cable
0635 9431 Vane probe (Ø 100 mm) with Bluetooth®, including
temperature sensor
0635 9432 Vane probe (Ø 100 mm) including temperature sensor,
fixed cable 0635 1052 Fume cupboard probe, fixed cable 0560 1405 testo 405i - thermal anemometer operated by
smartphone and also connected to testo 440 0560 1410 testo 410i - vane anemometer operated by smartphone
A maximum of 1 Bluetooth connected. If two flow probes are connected, the cable probe is used
and also connected to testo 440
®
probe and one cable probe can be
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3 Operation
Preparing for measurement
for the volume flow measurement.
1
Press
to configure the measurement.
You can set the following parameters:
- Geometry: round, rectangular, area
- Measuring Type: multi-point/timed avg.
- Volume Flow Unit: m
- Correction Factor: 1% to 200%
In a multi-point measurement, a mean value is calculated from the individual measuring values.
In a timed average measurement, a mean value is calculated over a certain period.
Several points can be measured. This generates a timed average/multi­point total mean value.
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
Carrying out the measurement
3
/h, cfm, l/s, m3/s
A suitable probe is connected to the testo 440.

1 Remove the protective cap from the probe head.
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3 Operation
For measurements in flows with a known direction, the arrow mark on the probe head must point in the direction of flow.
2 Move the probe into the flow.
3
Align the probe with the assumed flow axis.
4 Read off the readings.
Low flow velocities may result in greater measurement uncertainty during temperature and humidity measurement.
5 Carry out the measurement and save the measuring values.
3.5.6 Funnel volume flow application [Funnel
Volume Flow]
A volume flow rate funnel is required to determine the flow rate on ventilation systems. The measurement can be carried out with a compatible vane probe in conjunction with a funnel set. Alternatively, a thermal anemometer can also be used in conjunction with a funnel. The funnels differ in size. When selecting the funnel, make sure that the opening of the funnel covers the grille completely and tightly.
The application menu is enabled by one of the following probes:
Order number Name
0635 1032 Hot wire probe including temperature sensor, fixed
cable 0635 1571 Hot wire probe with Bluetooth®, including temperature
and humidity sensor 0635 1572 Hot wire probe including temperature and humidity
sensor, fixed cable 0635 9571 Vane probe (Ø 16 mm) with Bluetooth®, including
temperature sensor 0635 9572 Vane probe (Ø 16 mm) including temperature sensor,
fixed cable 0635 9371 High-precision vane probe (Ø 100 mm) with
Bluetooth®, including temperature sensor
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3 Operation
Order number Name
0635 9372 High-precision vane probe (Ø 100 mm) including
temperature sensor, fixed cable
0635 9431 Vane probe (Ø 100 mm) with Bluetooth®, including
temperature sensor
0635 9432 Vane probe (Ø 100 mm) including temperature sensor,
fixed cable 0635 1052 Fume cupboard probe, fixed cable 0560 1405 testo 405 i - thermal anemometer operated by
A maximum of 1 Bluetooth connected. If two flow probes are connected, a cable probe is used for the funnel volume flow.
smartphone
®
probe and one cable probe can be
Preparing for measurement
1
Press to configure the measurement.
You can set the following parameters:
- Measuring Type: multi-point/timed avg.
- Volume Flow Unit: m
- Correction Factor: 1% to 200%
In a multi-point measurement, a mean value is calculated from the individual measuring values.
In a timed average measurement, a mean value is calculated over a certain period.
Several points can be measured. This generates a timed average/multi­point total mean value.
32
3
/h, cfm, l/s, m3/s
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3 Operation
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
Carrying out the measurement
A suitable probe is connected to the measuring instrument.

1
Place the flow hood tightly on the air outlet. The flow hood must fully cover the air outlet.
2
Carry out the measurement and save the measuring values.
3.5.7 Pitot volume flow application [Pitot Volume
Flow]
The Pitot volume flow measurement is suitable for high velocities and flows with a high particle content.
The application menu can only be accessed with testo 440 dP or used
®
in combination with a testo 510i with Bluetooth
.
Preparing for measurement
1 You must be in the correct measurement application before pressing
the gear symbol ( ).
You can set the following parameters:
- Geometry: round, rectangular or area
- Measuring Type: multi-point/timed avg.
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3 Operation
- Units: mm or cm, mm
- Pitot Tube Factor: 0.00 to 1.00
- Correction Factor: 1% to 200%
Carrying out the measurement
- Volume Flow Unit: m
The Pitot tube factor for Pitot tubes is generally the same and must be entered prior to starting measurement:
- Prandtl Pitot tubes (0635 2045, 0635 2145, 0635 2345): Pitot tube
factor: 1.00
- Straight Pitot tubes (0635 2043, 0635 2143, 0635 2243): Pitot tube
factor: 0.67
- Air flow velocity matrix (0699 7077): Pitot tube factor: 0.82
For Pitot tubes from other manufacturers, refer to the instruction manual for the Pitot tube factor or ask your supplier.
In a multi-point measurement, a mean value is calculated from the individual measuring values.
In a timed average measurement, a mean value is calculated over a certain period.
Several points can be measured. This generates a timed average/multi­point total mean value.
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
2
or cm2
3
/h, cfm, l/s, m3/s
A suitable probe is connected to the measuring instrument.

1 Define the channel parameters in the application menu.
Observe the minimum clearances to points of discontinuity:
- From points of discontinuity upstream of the flow, observe a
clearance of at least six times the hydraulic diameter Dh = 4A/U (A: channel cross-section, U: channel circumference).
- From points of discontinuity downstream of the flow, observe a
clearance of at least twice the hydraulic diameter Dh = 4A/U (A: channel cross-section, U: channel circumference).
2 Insert the Pitot tube in the channel.
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3 Operation
3 Carry out the measurement and save the measuring values.
3.5.8 K-factor volume flow application [K-Factor
Volume Flow]
The testo 440 can determine the volume flow by measuring the reference resistance and input of the K-factor. This allows the testo 440 to remain connected to the air outlet during adjustment work and the changes in volume flow can be read directly on the display.
The application menu can only be accessed with testo 440 dP or used in combination with a testo 510i with Bluetooth
®
.
This process for determining volume flow can always be used when there are appropriate specifications available from the component manufacturer. In line with these specifications, the differential pressure is measured at a position specified by the manufacturer or supplier. The volume flow is determined from the differential pressure via a component-specific K-factor using a mathematical equation.
Preparing for measurement
1 First select the K-Factor Volume Flow Application.
You can make the following settings:
- Measuring Type: multi-point/timed avg.
- K-Factor: from 0.01 to 999.99
- Unit k-Factor: Pa, kPa, hPa, mbar, psi, mmH
O, mmHg, inH2O,
2
inHg, Torr
- Volume Flow Unit: m
3
/h, cfm, l/s, m3/s
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3 Operation
In a multi-point measurement, a mean value is calculated from the individual measuring values.
In a timed average measurement, a mean value is calculated over a certain period.
Several points can be measured. This generates a timed average/multi­point total mean value.
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
Carrying out the measurement
1 Position the testo 440 and make sure it is secure before you begin to
take your measurement.
2 Carry out the measurement and save the measurement results.
3.5.9 Heating/cooling load application
[Heating/Cooling Load]
Use this application to calculate the heating/cooling load of a thermal installation.
The Application menu is enabled by two of the following probes:
Order number Name
0636 9771 High-precision temperature-humidity probe with
Bluetooth® 0636 9772 High-precision temperature-humidity probe, fixed
cable 0636 9775 Robust temperature-humidity probe for temperatures
up to +180 °C, fixed cable 0636 9731 Temperature-humidity probe with Bluetooth® 0636 9732 Temperature-humidity probe, fixed cable 0632 1551 CO2 probe with Bluetooth®, including temperature and
humidity sensor 0632 1552 CO2 probe including temperature and humidity sensor,
fixed cable
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Order number Name
0560 1605 testo 605 i - a thermohygrometer operated by
smartphone
A minimum of two probes are to be connected in each combination via
®
Bluetooth
and cable.
3 Operation
Preparing for measurement
1 You must first select the measurement application that you wish to
take.
You can set the following parameters:
- SA Probe ID
- RA Probe ID
- Measuring Type: multi-point/timed avg.
- Volume Flow Unit: m
3
/h, cfm, l/s, m3/s
- Volume flow: 0.0 to 99999.0
- Heating/Cooling Load Unit: kW, BTU/h
In a multi-point measurement, a mean value is calculated from the individual measuring values.
In a timed average measurement, a mean value is calculated over a certain period.
Several points can be measured. This generates a timed average/multi­point total mean value.
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3 Operation
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
Carrying out the measurement
Two suitable probes are connected to the measuring instrument.

1
Place the SA-configured probes in the supply air of your system.
2
Place the RA-configured probes in the exhaust air of your system.
3
The humidity and temperature values for supply air and exhaust air are shown on the display with the heating/cooling load calculated from these.
4 Carry out the measurement and save the measuring values.
3.5.10 Mold indication application [Mold Indication]
Use this application to measure the risk of mold in rooms.
The application menu is enabled by the following probes:
Order number Name
0636 9771 High-precision temperature-humidity probe with
Bluetooth®
0636 9772 High-precision temperature-humidity probe, fixed
cable 0636 9731 Temperature-humidity probe with Bluetooth® 0636 9732 Temperature-humidity probe, fixed cable 0632 1551 CO2 probe with Bluetooth®, including temperature
and humidity sensor 0632 1552 CO2 probe including temperature and humidity
sensor, fixed cable 0615 1712 Robust air probe – with NTC temperature sensor 0615 4611 Temperature probe with Velcro and NTC temperature
sensor 0560 1805 testo 805i - infrared thermometer operated by
smartphone
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Order number Name
TE (independent of manufacturers)
A minimum of 1 temperature probe (TE, NTC, 805i) and 1 humidity probe is to be connected via Bluetooth
®
and cable.
Only one probe can be connected to the testo 440 by Bluetooth
The display shows the risk of mold using the traffic light system.
Display Meaning
Green Low risk Yellow Medium risk Red High risk
3 Operation
®
.
Preparing for measurement
1
Make sure that you select the Mold Indication screen first.
If a testo 805i is used, the following settings can be made:
- Emissivity
Please refer to the testo 805i instruction manual for detailed information on emissivity.
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
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3 Operation
Carrying out the measurement
A suitable probe is connected to the measuring instrument.

1 Take a humidity measurement in the room.
2
Take a temperature measurement at the spot where there is a presumed risk of mold.
The risk of mold is indicated by a colour indicator on the display.
3 Save the measurement.
3.5.11 Turbulence measurement application [Draft
Rate]
With this application menu, the measurement of the degree of turbulence and draft can be determined in accordance with DIN EN 13779 or DIN EN ISO
7730.
The measurement is carried out automatically over a period of 3 minutes. For ideal implementation, we recommend the use of:
Order number Name
0554 1590 Measuring tripod for comfort level measurements with
standard-compliant positioning of probes (including case)
The application menu is enabled by the following probe:
Order number Name
0628 0152 Turbulence probe, fixed cable
The probe requires a warm-up period of around 3 seconds after connection to the testo 440. Carry out the measurement after this.
The display shows the draft rate using the traffic light system.
Display Meaning
Green Draft rate 0-20% Yellow Draft rate 21-30% Red Draft rate 31-100%
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3 Operation
Carrying out the measurement
A suitable probe is connected to the measuring instrument.

1 Attach the probe to the tripod for the best measuring task result.
2 Carry out the measurement and save the measuring values.
3.5.12 Performing long-term measurement
application [Logger Mode]
This application menu allows you to record measurement data over a user­defined period of time at a specified interval.
All compatible probes can be used.
The maximum of following probes can be active at the same time:
1x TC 1x Bluetooth1x cable probe
®
probe
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3 Operation
1 Make sure that you have first selected the measurement application.
You can make the following settings:
- Measuring interval: in s
- Measurement duration: in hrs and min
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.
The maximum measurement period depends on the condition of the battery, how much free memory there is and the probe used. This is displayed during configuration.
testo recommends using an external power supply for each micro USB in the case of particularly long measurements. It is then possible to record significantly longer measurement series. 0554 1105 - USB power supply including cable
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4 Maintenance
4.1 Battery replacement
1 Open the battery compartment cover.
4 Maintenance
2 Replace the batteries. Observe the polarity!
Only use new branded batteries. If a partially exhausted battery is inserted, the battery capacity will not be calculated correctly.
3 Close the battery compartment cover.
The testo 440 is ready for use.
4.2 Cleaning testo 440
Never use abrasive cleaning agents or solvents; instead use household detergent or soapy water.
Always keep the connections clean and free of grease and other deposits.
1
Clean the unit with a damp cloth and dry it.
2 If necessary, clean all the connections using a damp cloth.
4.3 Calibration
The probe and the handle are supplied with a factory calibration certificate as standard.
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4 Maintenance
In many applications, it is recommended that you recalibrate the probe with the handle and the testo 440 once a year.
This can be carried out by Testo Industrial Services (TIS) or other certified service providers.
Please contact Testo for further information.
4.4 Carrying out a firmware update
You have downloaded the firmware file to your computer.

1 Connect the testo 440 to your computer using the micro USB cable.
The AutoPlay window opens automatically.
2
Click on Open folder [Open folder
to view files] to view files.
The window with available file folders opens.
3
Drag the firmware file to the open window.
The copying process is completed.
4 Disconnect the testo 440 from the computer.
5 Switch the testo 440 off and then on again.
The firmware is automatically installed.
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5 Technical data
5 Technical data
Temperature (NTC) testo 440 testo 440 dP
Measuring range -40 to +150 °C Accuracy (±1 digit) at
22 °C
Resolution 0.1 °C
Temperature (TE) testo 440 testo 440 dP
Measuring range -200 to +1370 °C Accuracy (±1 digit) ±(0.3 °C + 0.3% of m.v.)
Resolution 0.1 °C
Pressure testo 440 testo 440 dP*
Measuring range - -150 to +150 hPa Accuracy (±1 digit) at
22 °C
Resolution 0.01 hPa
* Change in position or attachment to magnetic surfaces affects the sensor. Therefore, first zero the
sensor in the end position of the instrument.
Probe connections testo 440 testo 440 dP
Type K thermocouple connection
Testo Universal Connector (TUC) for connection of cabled probes with corresponding plug
Bluetooth© probe 1x digital Bluetooth© probe or testo Smart Probe Differential pressure - +
Technical data testo 440 testo 440 dP
±0.4 °C (-40 to -25.1 °C) ±0.3 °C (-25 to +74.9 °C) ±0.4 °C (+75 to +99.9 °C)
±0.5% of m.v. (remaining meas. range)
±0.5 °C for cold junction
±0.05 hPa (0 to +1.00 hPa)
±0.2 hPa + 1.5% of m.v. (1.01 to 150 hPa)
1x
1x
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5 Technical data
Technical data testo 440 testo 440 dP
Operating temperature -20 to +50 °C Storage temperature -20 to +50 °C Bluetooth© range (latest
generation testo climate probes with Bluetooth©
Bluetooth© range (Smart Probes)
Battery type 3 x AA batteries Battery life 12 hours Weight 250 g Dimensions 154 x 65 x 32 mm
Connected probe (order no.)
0635 1032 Hot wire probe including
0635 1572 Hot wire probe including
0635 9532 Vane probe (Ø 16 mm) fixed cable 11 hrs 0635 9372 High-precision vane probe (Ø
0635 9432 Vane probe (Ø 100 mm) including
0636 9772 High-precision temperature-
0636 9775 Robust temperature-humidity probe
0636 9732 Temperature-humidity probe, fixed
0635 0551 Lux probe 11 hrs 0632 1552 CO2 probes including temperature
0632 1272 CO probe, fixed cable 11 hrs 0628 0152 Turbulence probe, fixed cable 9 hrs
Name Battery life*
temperature sensor, fixed cable
temperature and humidity sensor, fixed cable
100 mm) including temperature sensor, fixed cable
temperature sensor, fixed cable
humidity probe, fixed cable
for temperatures up to +180 °C, fixed cable
cable
and humidity sensor, fixed cable
20 m free field
3 m free field
8 hrs
8 hrs
10 hrs
10 hrs
12 hrs
12 hrs
12 hrs
8 hrs
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6 Tips and assistance
Connected probe
Name Battery life*
(order no.)
0635 1052 Fume cupboard probe, fixed cable 9 hrs
* All information at 22 °C, 50% screen brightness, power saving mode ON, Auto-Off off.
6 Tips and assistance
6.1 Questions and answers
6.1.1 LED status Bluetooth
LED status Description
Flashing red Low battery status Flashing yellow Probe is switched on and searching
Flashing green Probe is switched on and connected
6.1.2 Hot wire measurement not possible
Before measurement, the cap must be opened on the hot wire probe.
®
probe
for the Bluetooth® connection.
with Bluetooth®.
6.2 Accessories and spare parts
Bluetooth® probe
Order number Name
0635 1571 Hot wire probe with Bluetooth®, including temperature
and humidity sensor
0635 9571 Vane probe (Ø 16 mm) with Bluetooth®, including
temperature sensor
0635 9371 High-precision vane probe (Ø 100 mm) with
Bluetooth®, including temperature sensor
0635 9431 Vane probe (Ø 100 mm) with Bluetooth®, including
temperature sensor
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6 Tips and assistance
Order number Name
0636 9771 High-precision temperature-humidity probe with
Bluetooth 0636 9731 Temperature-humidity probe with Bluetooth® 0632 1551 CO2 probe with Bluetooth®, including temperature and
humidity sensor 0632 1271 CO probe with Bluetooth®
Cable probe
Order number Name
0635 1032 Hot wire probe including temperature sensor, fixed
cable 0635 1572 Hot wire probe including temperature and humidity
sensor, fixed cable 0635 9572 Vane probe (Ø 16 mm) including temperature sensor,
fixed cable 0635 9372 High-precision vane probe (Ø 100 mm) including
temperature sensor, fixed cable 0635 9432 Vane probe (Ø 100 mm) including temperature sensor,
fixed cable 0636 9772 High-precision temperature-humidity probe, fixed
cable 0636 9775 Robust temperature-humidity probe for temperatures
up to +180 °C, fixed cable 0636 9732 Temperature-humidity probe, fixed cable 0635 0551 Lux probe 0632 1552 CO2 probe including temperature and humidity
sensor, fixed cable 0632 1272 CO probe, fixed cable 0628 0152 Turbulence probe, fixed cable 0635 9532 Vane probe (Ø 16 mm) fixed cable 0635 1052 Fume cupboard probe, fixed cable
®
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7 Authorisations and certification
7 Authorisations and certification
Please note the following country-specific information for the product authorization.
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 countries for which a national certification has been granted. The user and every owner has the obligation to adhere to these regulations and prerequisites for use and acknowledges that the re­sale, export, import, etc., in particular in, to or from countries without
testo 440 testo 440dP
wireless authorization, is their responsibility.
Product Mat.-No. Date
0560 4401 0560 4402
Country Comments
Australia
Canada
Containts IC: 21461-LSD4BTS25A Product IC: 6127B-0560440X IC Warnings
Europa + EFTA
18.12.2017
E 1561
EU countries:
Belgium (BE), Bulgaria (BG), Denmark (DK), Germany (DE),
Estonia (EE), Finland (FI), France (FR), Greece (GR),
Ireland (IE), Italy (IT), Latvia (LV), Lithuania (LT),
Luxembourg (LU), Malta (MT), Netherlands (NL), Austria
(AT), Poland (PL), Portugal (PT), Romania (RO), Sweden
(SE), Slovakia (SK), Slovenia (SI), Spain (ES), Czech
Republic (CZ), Hungary (HU), United Kingdom (GB),
Republic of Cyprus (CY).
EFTA countries:
Iceland, Liechtenstein, Norway, Switzerland
Turkey Approved
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7 Authorisations and certification
Product Mat.-No. Date
Japan
Japan Information
Contains FCC ID: N8NLSD4BTS25A
USA
Product FCC ID: WAF-0560440X FCC Warnings
Qualified Design ID D037513
Bluetooth SIG List
Bluetooth radio class Class 1 Bluetooth company Testo SE & Co. KGaA
Feature Values Bluetooth©-range
< 20 m (free field) (Newest generation of testo climate-probes with Bluetooth©
Bluetooth-Module
Bluetooth©-range (Smart Probes)
< 3 m (free field)
Bluetooth© type S25 Series BLE module , based on
TI CC2640 chip RF Band 2402-2480MHz Output power 5 dBm
IC Warnings
This instrument complies with Part 15B of the FCC Rules and Industry Canada RSS-210 (revision 8). Commissioning is subject to the following two conditions: (1) This instrument must not cause any harmful interference and (2) this instrument must be able to cope with interference, even if this has undesirable effects on operation.
Cet appareil satisfait à la partie 15B des directives FCC et au standard Industrie Canada RSS-210 (révision 8). Sa mise en service est soumise aux deux conditions suivantes : (1) cet appareil ne doit causer aucune interférence dangereuse et (2) cet appareil doit supporter toute interférence, y compris des interférences qui provoquerait des opérations indésirables.
FCC Warnings
Information from the FCC (Federal Communications Commission) For your own safety Shielded cables should be used for a composite interface. This is to ensure continued protection against radio frequency interference.
FCC warning statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate 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
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7 Authorisations and certification
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect 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.
Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Shielded interface cable must be used in order to comply with the emission limits. Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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. the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect 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.
Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Shielded interface cable must be used in order to comply with the emission limits.
Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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.
Japan Information
当該機器には電波法に基づく、技術基準適合証明等を受けた特定無線設備を装着している
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