TESTO 512 Manuale utente
Instruction manual
Contents
General notes ....................................................22
1. Safety advice......................................................23
2. Intended purpose ..............................................24
3. Product description............................................25
3.1 Display and control elements ........................................25
3.2 Interfaces ......................................................................26
3.3 Voltage supply ..............................................................26
4. Commissioning ..................................................27
5. Operation ..........................................................28
5.1 Connecting pressure hoses, Pitot tube..........................28
5.2 Switching the instrument on / off ..................................29
5.3 Switching the display light on / off ................................29
5.4 Performing settings ......................................................29
6. Measuring ..........................................................34
7. Care and maintenance ......................................36
8. Questions and answers......................................37
9. Technical data ....................................................38
10. Accessories/spare parts ....................................39
testo 512
Digital manometer
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
General notes22
General notes
This chapter provides important advice on using this
documentation.
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.
i, 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.
ºCross-reference Refers to more extensive or detailed
information.
Button
1. Safety advice 23
1. Safety advice
This chapter gives general rules which must be followed
and observed if the product is to be handled safely.
Avoid personal injury/damage to equipment
iDo not use the measuring instrument and probes to
measure on or near live parts.
iNever store the measuring instrument/probes together
with solvents and do not use any desiccants.
Product safety/preserving warranty claims
iOperate the measuring instrument only within the
parameters specified in the Technical data.
iAlways use the measuring instrument properly and for its
intended purpose. Do not use force.
iDo 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.
iOpen 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
iTake faulty rechargeable batteries/spent batteries to the
collection points provided for them.
iSend 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.
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2. Intended purpose24
2. Intended purpose
This chapter gives the areas of application for which the
product is intended.
Use the product only for those applications for which it was
designed. Ask Testo if you are in any doubt.
The testo 512 is a compact digital manometer with
temperature compensation for measuring the positive and
negative over-pressure and differential pressure of non-
aggressive gases. With the versions 2hPa, 20hPa and
200hPa, flow velocity can also be measured via a Pitot
tube.
The product was designed for the following
tasks/applications:
· Measurement on heating, ventilation and air conditioning
systems
· Customer service and maintenance work
The product should not be used in the following areas:
· Areas at risk of explosion.
· Diagnostic measurements for medical purposes
3. Product description 25
3. Product description
This chapter provides an overview of the components of
the product and their functions.
3.1 Display and control
elements
Overview
Infrared interface,
Pressure connection nipple
(4/6mm):
(+) positive over-pressure
(-) negative over-pressure
Display
Control buttons
Battery 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
Print data
Carry out zeroing
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3. Product description26
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
Print function: Readings are sent to the printer
3.2 Interfaces
Infrared interface
Measurement data can be sent to a Testo printer via the
infrared interface on the head of the instrument.
Pressure connection nipple
Pressure hoses can be connected via the pressure
connection nipple at the upper end of the instrument.
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 27
4. Commissioning
This chapter describes the steps required to commission
the product.
²Removing tthe pprotective ffilm oontthe ddisplay:
iPull the protective film off carefully.
²Inserting aabbattery/rechargeable bbattery:
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.
- The instrument switches itself on.
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5. Operation28
5. Operation
This chapter describes the steps that have to be executed
frequently when using the product.
5.1 Connecting pressure
hoses, Pitot tube
²Connecting ppressure hhoses:
iAttach the pressure hoses (4 or 6mm) correctly
according to the mathematical signs:
· positive over-pressure measurement (+)
· negative over-pressure measurement (-)
· Differential pressure measurement (+ -)
²Connecting PPitot ttube ((versions 22hPa, 220hPa aand
200hPa oonly):
1Attach the pressure hoses (4 or 6mm) correctly
according to the mathematical signs:
2Attach pressure hoses to the connecting ends of the
Pitot tube:
Test Equipment Depot - 800.517.8431
99 Washington Street,Melrose, MA 02176
TestEquipmentDepot.com
5. Operation 29
5.2 Switching the instrument
on / off
²Switching tthe iinstrument oon:
iPress .
- A segment test is carried out: The measurement
value display segments light up briefly (2x 8888).
- Measurement view is opened: The current reading
is displayed.
²Switching tthe iinstrument ooff:
iPress and hold (for approx. 2s) until the display
goes out.
5.3 Switching the display
light on / off
²Switching tthe ddisplay llight oon/off:
The instrument is switched on.
iPress .
5.4 Performing settings
1To oopen cconfiguration mmode:
The instrument is switched on and is in measurement
view. Hold, Max or Min are not activated.
iPress 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.
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5. Operation30
2Setting tthe uunit oofppressure:
The configuration modus is open, the set unit blinks.
iSet the desired unit with / and confirm with
.
3Setting tthe pparameter ffor tthe llower mmeasurement vvalue
line:
The parameters temperature (internal temperature
sensor) or flow (versions 2hPa, 20hPa and 200hPa only)
can be displayed in the lower measurement value line.
The configuration modus is open, °C°F lights up.
1Select the desired option with / and confirm
with :
·On: The temperature measurement value is
displayed in the lower measurement value line,
except when the display of flow measurement
value is activated (versions 2hPa, 20hPa and
200hPa only).
· OFF: The temperature measurement value is not
displayed in the lower measurement value line.
OFF is selected, Version 2000hPa:
ºNext handling objective 4 SET DAMPING.
OFF is selected, Versions 2hPa, 20hPa and 200hPa:
-m/s and fpmx100 light up.
ºNext step 3.
On is selected:
- The set temperature blinks.
2Select the desired unit with / and confirm
with :
Version 2000hPa:
ºNext handling objective 4 SET DAMPING.
Versions 2hPa, 20hPa and 200hPa:
-m/s and fpmx100 light up.
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