TESTO 625 Manuale utente
Bedienungsanleitung de
Instruction manual en
Mode demploi fr
Contents
General notes ....................................................20
1. Safety advice......................................................21
2. Intended purpose ..............................................22
3. Product description ............................................23
3.1 Display and control elements ........................................23
3.2 Interfaces ......................................................................24
3.3 Voltage supply ..............................................................24
4. Commissioning ..................................................25
5. Operation ..........................................................26
5.1 Connecting a probe ......................................................26
5.2 Switching the instrument on / off ..................................26
5.3 Switching the display light on / off ................................27
5.4 Performing settings ......................................................27
6. Measuring ..........................................................31
7. Care and maintenance ......................................32
8. Questions and answers......................................33
9. Technical data ....................................................34
10. Accessories/spare parts ....................................35
testo 625
Humidity/temperature measuring instrument
General notes20
General notes
The documentation contains information that must be
applied if the product is to be used safely and efficiently.
Please read this documentation through carefully and
familiarise yourself with the operation of the product before
putting it to use. Keep this document to hand so that you
can refer to it when necessary.
Identification
Representation Meaning Comments
Note Offers helpful tips and information.
, 1, 2 Objective Denotes the objective that is to be
achieved via the steps described. Where
steps are numbered, you must always
follow the order given!
Condition A condition that must be met if an action
is to be carried out as described.
, 1, 2, ... Step Carry out steps. Where steps are
numbered, you must always follow the
order given!
Text Display text Text appears on the instrument display.
Control button Press the button.
- Result Denotes the result of a previous step.
Cross-reference Refers to more extensive or detailed
information.
Button
1. Safety advice 21
1. Safety advice
Avoid personal injury/damage to equipment
Do not use the measuring instrument and probes to
measure on or near live parts.
Never store the measuring instrument/probes together
with solvents and do not use any desiccants.
Product safety/preserving warranty claims
Operate the measuring instrument only within the
parameters specified in the Technical data.
Always use the measuring instrument properly and for its
intended purpose. Do not use force.
Do not expose handles and feed lines to temperatures in
excess of 70 °C unless they are expressly permitted for
higher temperatures.
Temperatures given on probes / sensors relate only to
the measuring range of the sensors.
Open the instrument only when this is expressly
described in the documentation for maintenance and
repair purposes.
Carry out only the maintenance and repair work that is
described in the documentation. Follow the prescribed
steps when doing so. For safety reasons, use only
original spare parts from Testo.
Ensure correct disposal
Take faulty rechargeable batteries/spent batteries to the
collection points provided for them.
Send the product back to Testo at the end of its useful
life. We will ensure that it is disposed of in an
environmentally friendly manner.
1. Safety advice22
Instruments with radio module 915.00 MHz FSK
Warning: Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
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 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 needed.
· Consult the dealer or an experienced radio/TV technician for help.
Operation is subject to the following two conditions:
· this device may not cause harmful interference, and
· this device must accept any interference received, including interference that may
cause undesired operation.
2. Intended purpose
Use the product only for those applications for which it was
designed. Ask Testo if you are in any doubt.
testo 625 is a compact measuring instrument for
measuring humidity and temperatures by means of a plug-
in humidity/temperature probe (humidity module) and / or a
humidity/temperature probe with radio transmission (radio
module accessory part required).
The product was designed for the following
tasks/applications:
· Measuring room climate
· Buildings, offices, warehouses
The product should not be used in the following areas:
· Areas at risk of explosion.
· Diagnostic measurements for medical purposes
3. Production description 23
3. Product description
3.1 Display and control
elements
Overview
Probe socket
Display
Control buttons
Battery compartment (rear)
Radio module and service
compartment (rear)
Button functions
Button Functions
Switch instrument on;
switch instrument off (press and hold)
Switch display light on / off
Keep reading, display
maximum/minimum value
Open/leave configuration mode (press
and hold);
In configuration mode:
Confirm input
In configuration mode:
Increase value, select option
In configuration mode:
Reduce value, select option
Change between displaying relative
humidity, dew point and wetbulb
temperature.
Change between displaying connected
probe and radio probe ( lit).
3. Production description24
Important displays
Display Meaning
Battery capacity (bottom right in display):
· 4 segments in the battery symbol are lit: Instrument battery is fully
charged
· No segments in the battery symbol are lit: Battery is almost spent
Measurement channel: Radio probe (the number of radio wave
segments shown indicates the strength of the signal)
Battery capacity of radio probe (above the radio probe symbol :
Radio probe battery is almost spent
3.2 Interfaces
Probe socket
A plug-in measuring probe can be connected via the probe
socket on the head of the instrument.
Radio module (accessory part)
Radio probes may only be used in countries in which
they have been Type Approved (see application infor-
mation of the radio probe).
A radio measuring probe can be connected via the radio
module.
3.3 Voltage supply
Voltage is supplied by means of a 9V monobloc battery
(included in delivery) or rechargeable battery. It is not
possible to run the instrument from the mains supply or
charge a rechargeable battery in the instrument.
4. Commissioning 25
4. Commissioning
Inserting a radio module (accessory part):
Radio probes may only be used in countries in which
they have been Type Approved (see application infor-
mation of the radio probe).
The instrument is switched off.
1To open the radio module compartment on the rear of
the instrument, push the clip lock downwards and
remove the lid of the radio module compartment.
2Insert the radio module.
3To close the radio module compartment, replace the
radio module compartment lid and close it.
Inserting a battery/rechargeable battery:
1To open the battery compartment on the rear of the
instrument, push the lid of the battery compartment in
the direction of the arrow and remove it.
2Insert a battery/rechargeable battery (9V monobloc).
Observe the polarity!
3To close the battery compartment, replace the lid of
the battery compartment in position and push it
against the direction of the arrow.
5. Operation26
5. Operation
5.1 Connecting a probe
Plug-in probes
Plug-in probes must be connected before the measuring
instrument is switched on so that they are recognised by
the instrument.
Insert the connector of the probe into the probe
socket.
Radio probes
Radio probes may only be used in countries in which
they have been Type Approved (see application infor-
mation of the radio probe).
A radio module (accessory part) is required for the use of
radio probes. The radio module must be connected before
the measuring instrument is switched on so that it is
recognised by the instrument.
Each radio probe has a probe ID (identification number).
This must be set in configuration mode.
See the chapter PERFORMING SETTINGS.
5.2 Switching the instrument
on / off
Switching the instrument on:
Press .
- Measurement view is opened: The current reading
is displayed, or ----- lights up if no reading is
available.
5. Operation 27
Switching the instrument off:
Press and hold (for approx. 2s) until the display
goes out.
5.3 Switching the display
light on / off
Switching the display light on/off:
The instrument is switched on.
Press .
5.4 Performing settings
1To open configuration mode:
The instrument is switched on and is in measurement
view. Hold,Max or Min are not activated.
Press and hold (for approx. 2s) until the display
changes.
- The instrument is now in configuration mode.
You can change to the next function with .
You can leave configuration mode at any time. To do
so, press and hold (for approx. 2s) until the
instrument has changed to measurement view. Any
changes that have already been made in configuration
mode will be saved.
2Carrying out a humidity calibration:
A 2-point calibration of connected humidity probes can
be carried out (11.3%RH and 75.3%RH).
Configuration mode is opened, CAL is lit.
1Select the desired option with / and confirm
with :
·oFF: Humidity calibration is not carried out.
·on: Humidity calibration is carried out.
oFF was selected:
Continue with objective TO REGISTER THE RADIO PROBE.
5. Operation28
on was selected:
2Put the humidity probe into the reference medium and
wait for the equalisation period to elapse.
- The current humidity reading and the calibration
point (nominal value) are displayed.
3Start the calibration menu with .
4Select the desired option with / and confirm
with :
·no: Humidity value is not calibrated.
·YES: Humidity value is calibrated.
no was selected:
Continue with step 5.
YES was selected:
- The calibration is carried out.
5Repeat steps 2to 4for the 2nd calibration point.
- When calibration has been completed, the
instrument changes to the next setting function.
3To register the radio probe:
Radio probes may only be used in countries in which
they have been Type Approved (see application infor-
mation of the radio probe).
The setting function for radio probes is only available if
a radio module (accessory part) is inserted into the
measuring instrument.
See the chapter COMMISSIONING.
If no radio module is inserted:
Continue with the objective TO SET AUTO OFF.
Each radio probe has a probe ID (RF ID). This consists of
the last 3 digits of the serial no. and the position of the
slide switch in the radio probe (Hor L).
Configuration mode is opened, is flashing and AUTO
is lit.
The radio probe is switched on and the transfer rate is
set to 2 readings per second (see the advice on using
the radio probe).
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