6.2.3 Establishing a Bluetooth ® connection ............. 9 Establishing a Bluetooth ® connection to the testo Smart App ....10 6.3.1 Using the product ................11 Controls on the measuring instrument ..........11 Implementing settings ................12 7.1.1 Opening configuration mode ..............13 7.1.2...
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Perform Firmware update ..............31 Maintaining the product ..............32 Inserting / changing batteries ............... 32 Cleaning the instrument ............... 32 Technical data for testo 625.............. 33 Tips and assistance ................34 Questions and answers ............... 34 11.1 Accessories and spare parts..............35...
• described in this documentation. Follow the prescribed steps exactly when doing the work. • Use only original spare parts from Testo. Batteries • Improper use of batteries may cause the batteries to be destroyed, or lead to injury due to current surges, fire or escaping chemicals.
• 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. • WEEE Reg. No. DE 75334352...
• documentation for the purposes of maintenance or servicing. 4 Intended use The testo 625 is a compact measuring instrument for measuring humidity and temperature via a permanently attached humidity/temperature probe. It is intended for indoor use only. The product is designed for the following tasks/areas: •...
6 First steps 6 First steps Inserting / changing batteries WARNUNG Serious risk of injury to the user and/or destruction of the instrument. There is a risk of explosion if the batteries are replaced with ones that are the wrong type. - Only use non-rechargeable alkaline batteries.
6 First steps Getting to know the product Connecting probes 6.2.1 The required probes are permanently connected or integrated. It is not possible to connect any additional sensors. Switching the instrument on and off 6.2.2 Switching on On/Off Press the key (0.5 sec).
6 First steps Establishing a Bluetooth connection ® The instrument can be connected to the testo Smart App via Bluetooth ® connection The measuring instrument is switched on. To enable the Bluetooth ® connection for the first time, press and hold (approx.
If necessary, switch the instrument to be connected off and on again to restart the connection module. When the testo Smart App is connected to the measuring instrument, icon appears on the measuring instrument display. The measuring instrument automatically synchronizes its date and time settings with the testo Smart App.
7 Using the product Controls on the measuring instrument The instrument is switched on. The testo Smart App is installed on the smartphone and connected to the instrument via Bluetooth ® Settings and controls are implemented either on the instrument or via ...
7 Using the product Parameter 2 selected unit Print ► Illumination MENU/ENTER Implementing settings 7.1.1 Selecting, opening and setting functions Press the relevant key to select the functions Secondary assignment (long press) All keys with a grey corner have a secondary assignment, which can be selected by pressing and holding the key for a longer time (2 sec).
7 Using the product Function Setting options/comments MENU/ENTER Open configuration mode Start continuous measurement / record multi-point readings (Operation also possible directly on measuring instrument if it is connected to the app) In configuration mode: Confirm input Print (long press) Output readings via external printer Arrow right Change second measurement...
MENU/ENTER: NO: Do not carry out reset. YES: Carry out reset. All concealed menus that were hidden via the testo Smart App are displayed again. The instrument returns to measurement view. Carrying out a reset of the measuring 7.1.7...
7 Using the product YES: Carry out reset. The instrument is reset to the factory settings. The instrument returns to measurement view. Measuring The instrument is switched on and is in the measurement view. Place the measuring instrument into the position in which the measurement is to be carried out.
7 Using the product Resetting maximum/minimum values 7.2.3 The maximum/minimum values of all channels can be reset to the current reading. Press ◄ several times until Max or Min is shown. Hold down ◄ (approx. 2 s). All maximum and minimum values are reset to the current reading. ...
7 Using the product Carrying out continuous mean calculation 7.2.5 Press MODE/END twice. flashes. The elapsed measuring time (mm:ss) is displayed in the upper line, while the current reading is displayed in the lower line. Start measurement: Press MENU/ENTER. To interrupt/continue measurement: MENU/ENTER Press...
/IRDA printer (order no. 0554 0621) is connected ® via Bluetooth and switched on. When first setting up a connection between the testo measuring /IRDA printer, the initialization instrument and the testo Bluetooth ® phase can last up to 30 seconds.
8 Controls via testo Smart App 8 Controls via testo Smart App If the measuring instrument is connected to the testo Smart App, it is primarily operated via the app. The measuring instrument remains in the measurement view and settings menus cannot be opened on the measuring instrument.
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8 Controls via testo Smart App Additional symbols on the user interface of the app (not numbered) One level back Exit view Share measurement data/report Searching Favourite Deleting Further information Display report Multiple selection Main menu can be accessed via the icon at top left.
Select Instrument information. The version number of the app and the ID are displayed. Displaying the tutorial 8.2.3 The tutorial guides you through the first steps in operating the testo Smart App. Click on Select Help and Information. ...
8 Controls via testo Smart App Application menus Selecting an application menu 8.3.1 Click on A selection of menus for various applications is displayed. Select the required application. Your selected application is displayed. Setting favourites 8.3.2 Click on A selection of menus for various applications is displayed.
8 Controls via testo Smart App Making measuring instrument settings The measuring instrument is connected to the testo Smart App. Click on The main menu opens. Click on Sensors. Sensors menu opens. Click on the required measuring instrument.
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8 Controls via testo Smart App Click on the blue text under a settings heading to activate or disable settings or to open an input window to enter a specific value or select a unit. For details on the settings options, see the following sub-sections.
8 Controls via testo Smart App Configuring the measuring instrument 8.4.1 menu The testo Smart App can be used to set which settings menus should be available or hidden on the measuring instrument itself. Settings tab in the Sensors menu is open.
8 Controls via testo Smart App Deactivate the checkboxes for the measuring instrument menus that are no longer to be displayed on the measuring instrument itself. The menus belonging to the deactivated entries will no longer be displayed in the measuring instrument menu after the next synchronization.
8 Controls via testo Smart App Click on Average of the measured values. The window for Average of the measured values opens. Enter a value between 2 and 20 measured values. Changes to the measuring instrument settings in the app are ...
8 Controls via testo Smart App Display of the readings The available readings can be displayed in different views. Live view: • The readings transmitted by the measuring probes can be displayed in a live view. Readings from all connected measuring probes are displayed.
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. ...
8 Controls via testo Smart App Perform Firmware update Enable update for connected instruments Ensure that the option for Instrument Information is always enabled. If a new firmware is available for your measurement instrument, an update notification is shown after connecting the instrument with the testo Smart App.
9 Maintaining the product After the update the measuring instrument is restarting. The firmware can be checked in the instrument menu or via the app. A restart of the testo Smart App is recommended after the instrument update. 9 Maintaining the product...
Ambient temperature is Increase ambient sluggishly very low temperature Display: ----- Sensor error Please contact your dealer or Testo Customer Service. Display: OOOOO Permissible measuring Keep within the permissible range has been exceeded measuring range Display: UUUUU Permissible measuring Keep within the permissible...
11 Tips and assistance If we have not been able to answer your question: please contact your local dealer or Testo Customer Service. See the back of this document or the www.testo.com/service-contact web page for contact details. 11.2 Accessories and spare parts Description Order no.