TESTO 511 Come usare
11
Short manual testo 511
Protection cap: Park position
Absolute pressure sensor nipple
connection
Display
Control keys
Battery compartment, holding
magnets (on rear)
Basic settings
Instrument off >press and hold 2s > select with ( ),
confirm with ( ):
Unit of height above mean sea level: m,ft > Value of height above mean sea level
(Altitude) > Unit of pressure: hPa,mbar, Pa, mmH2O, mmHg, psi, inH2O, inHG, >
Auto off function: OFF,ON
Switching the instrument on
Press .
Switching the display light on (for 10s)
Instrument on > press
Select display size
Instrument on > select with :
Absolute pressure, barom (barometric pressure), Altitude (height above mean sea
level)
Select display mode
Instrument on > select with :
Current reading > Max: Maximum values > Min: Minimum values
Switching the instrument off:
Instrument on >press and hold 2s.
Short manual testo 511
12
Safety and the environment
About this document
> Please read this documentation through carefully and
familiarise yourself with the product before putting it to use.
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.
> Pay particular attention to information emphasised by the
following symbols:
Important.
Avoid personal injury/damage to equipment
> Only operate the measuring instrument properly, for its
intended purpose and within the parameters specified in the
technical data. Do not use force.
> Never store the product together with solvents, acids or other
aggressive substances.
> Only carry out the maintenance and repair work that is
described in the documentation. Follow the prescribed steps
when doing so. Use only OEM spare parts from Testo.
Magnetic field
May be harmful to those with pacemakers.
>Keep a minimum distance of 10 cm between pacemaker and
instrument.
Magnetic field
Damage to other devices!
> Keep a safe distance away from products which could be
damaged by the effects of magnetism (e.g. monitors, computers
or credit cards).
Protecting the environment
> Take faulty rechargeable batteries as well as 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.
Safety and the enviroment
13
Specifications
Functions and use
The testo 511 is an absolute pressure measuring instrument. It
is normally used to measure absolute pressure, e.g. for pressure
compensation in velocity measurement in ducts, laboratories
and production processes. Further measurement parameters are
barometric (surface) pressure (= pressure at sea level) and altitude
above sea level.
Technical data
Measurement data
· Sensor:
Absolute pressure sensor
· Parameters (absolute/barometric):
Pa, hPa, mbar, mmH2O, mmHg, inHG,
inH2O, psi
· Measuring ranges:
300...1,200 hPa, 120.4...481.8 inH2O
· Resolutions:
0.1 hPa, 0.01 inH2O
· Accuracies
(Nominal temperature 22 °C, ±1 Digit):
±3 hPa, ±1.2 inH2O
· Measuring rate:
0.5 s
Further instrument data
· Protection class: IP40
· Ambient conditions:
0...50 °C, 32...122 °F
· Storage/transport conditions:
-40...70 °C, -40...158 °F
· Voltage supply:
2x 1.5 V type AAA
· Battery life:
200 h (without display light)
· Dimensions:
119x46x25mm / 4.7x1.8x1.0 in (inc.
protection cap)
· Weight: 90g / 3.2 oz (inc. batteries and
protection cap)
Directives, standards and tests
· EC Directive: 2004/108/EEC
Warranty
· Duration: 2 years, warranty conditions:
see www.testo.com/warranty
Specifications
14
Product description
At a glance
Protection cap: Park position
Absolute pressure sensor nipple
connection
Display
Control keys
Battery compartment, holding
magnets (on rear)
First steps
Inserting batteries:
1 To open the battery compartment, push the battery cover
down.
2 Insert batteries (2x 1.5 V type AAA). Observe the polarity!
3 To close the battery compartment, push the battery cover
back on.
Basic settings (configuration mode):
Adjustable functions
· Unit of height above mean sea level: m,ft
· Value of height above mean sea level (Altitude): Set flashing figure with ,
change to next figure with .
· Unit of pressure: hPa,mbar, Pa, mmH2O, mmHg, psi, inH2O, inHG,
· Auto off function: OFF,ON (instrument switches off automatically if no key is
pressed for 10 minutes)
1 When switching the instrument on, press and hold until
and appear on the display (configuration mode).
- The adjustable function is displayed. The current setting
flashes.
2 Press ( ) several times until the desired setting flashes.
3 Press ( ) to confirm the input.
4 Repeat steps 2 and 3 for all functions.
- The instrument changes to measuring mode.
Product description
15
Using the product
For measuring barometric (surface) pressure barom (= pressure
at sea level), the following must be observed:
·the altitude of the measurement site above sea level must
be known, and be set in the instrument, see chapter First
steps, section Basic settings (configuration mode).
· The barometric pressure displayed is only correct for the
altitude set, for a change of altitude, the altitude above sea
level must be reset.
For measuring barometric Altitude (= altitude relating to a fixed
level), the following must be observed:
· The altitude above sea level at the starting point of the
measurement (= Reference altitude) must be known and
be set in the instrument, see chapter First steps, section
Basic settings (configuration mode). When entering the
reference altitude, the current absolute pressure is also
stored as a reference pressure.
· When carrying out the measurement at the destination, the
weather conditions must be the same as when entering the
reference altitude. If the weather has changed (= change of
absolute pressure), a new reference value must be entered.
Switching the instrument on:
> Press .
- Measuring mode is opened.
Switching the display light on:
The instrument is switched on.
> Press .
- The display light goes out automatically if no key is
pressed for 10 seconds.
Use the product
16
Changing the parameter:
The parameter can be changed.
Adjustable parameters
· Absolute pressure
·barom (barometric pressure)
·Altitude (height above mean sea level)
> Press several times until the desired parameter appears.
Changing the display view:
Adjustable views
· Current reading
·Max: Maximum values since the instrument was last switched on or last reset.
·Min: Minimum values since the instrument was last switched on or last reset.
> Press several times until the desired view appears.
Resetting Max/Min values:
1 Press several times until the desired view appears.
2 Press and hold until - - - - appears.
3 Repeat steps 1 and 2 for all values that are to be reset.
Switching the instrument off:
> Press and hold until the display goes out.
Maintaining the product
Changing batteries:
1 To open the battery compartment, push the battery cover
down.
2 Remove used batteries and insert new batteries
(2x 1.5 V type AAA). Observe the polarity!
3 To close the battery compartment, push the battery cover
back on.
Cleaning the housing:
> Clean the housing with a moist cloth (soap suds) if it is dirty.
Do not use aggressive cleaning agents or solvents!
Maintaining the product
Tips and assistance 17
Tips and assistance
Questions and answers
Question Possible causes/solutions
Hi or Lo · Readings outside the measuring range (too high, too
low): Keep to the permitted measuring range.
· Residual capacity <10 min: Change batteries.
If we could not answer your question, please contact your dealer
or Testo Customer Service. For contact details, please visit www.
testo.com/service-contact
Accessories and spare parts
Accessories and spare parts can be found in the product
catalogues and brochures or in the internet at: www.testo.com
Notes18
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