TESTO 540 User manual

Bedienungsanleitung de
Instruction manual en
Mode d’emploi fr
Manual de instrucciones es
Manuale di istruzioni it
Manual de instruções pt
testo 540

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Bedienungsanleitung de ..........................3 - 9
Instruction manual en ........................11 - 17
Mode d’emploi fr ........................19 - 25
Manual de instrucciones es ........................27 - 33
Manuale di istruzioni it ........................35 - 41
Manual de instruções pt ........................43 - 49

Short manual testo 540 11
Short manual testo 540
Protection cap: Park position
Light sensor
Display
Control keys
Battery compartment (on rear)
Basic ssettings
Instrument off > press and hold 2s > select with ( ),
confirm with ( ):
Auto off function: OFF, ON
Switching tthe iinstrument oon
Press .
Switching tthe ddisplay llight oon((for 110s)
Instrument on > press
Select ddisplay ssize
Instrument on > select with :
lux, ftc
Select ddisplay mmode
Instrument on > select with :
Current reading > Hold: Readings are held > Max: Maximum values > Min: Minimum
values
Switching tthe iinstrument ooff:
Instrument on >press and hold 2s.
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Safety and the environment12
Safety and the environment
About this document
iPlease 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.
iPay particular attention to information emphasised by the
following symbols:
Important.
Avoid personal injury/damage to equipment
iOnly operate the measuring instrument properly, for its
intended purpose and within the parameters specified in the
technical data. Do not use force.
iNever store the product together with solvents, acids or other
aggressive substances.
iOnly 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.
Protecting the environment
iTake faulty rechargeable batteries as well as 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.

Specifications 13
Specifications
Functions and use
The testo 540 is an illuminance measuring instrument. It is
normally used to measure illuminance, e.g. at workplaces.
Technical data
Measurement data
· Sensor:
Photo diode
· Parameters:
Lux (lm/m2), foot candle (lm/ft2)
· Measuring ranges:
0...99999 Lux, 0...93000 ftc
· Resolutions:
1 Lux (0...19,999 Lux), 10 Lux (rest of
range)
0.1 ftc (0...1,858.0 Lux), 1 ftc (rest of
range)
· Accuracies (Nominal temperature
25 °C, ±1 Digit):
3 % to reference
· 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:
133x46x25 mm (inc. protection cap)
· Weight: 95 g (inc. batteries and
protection cap)
Directives, standards and tests
· EC Directive: 89/336/EEC
Warranty
· Duration: 2 years
· Warranty conditions: see guarantee
card
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Product description14
Product description
At a glance
Protection cap: Park position
Light sensor
Display
Control keys
Battery compartment (on rear)
First steps
²Inserting bbatteries:
1To open the battery compartment, push the battery cover
down.
2Insert batteries (2x 1.5 V type AAA). Observe the polarity!
3To close the battery compartment, push the battery cover
back on.
²Basic ssettings ((configuration mmode):
Adjustable functions
· Auto off function: OFF, ON (instrument switches off automatically if no key is
pressed for 10 minutes)
1When switching the instrument on, press and hold until
and appear on the display (configuration mode).
- The adjustable function is displayed. The current setting
flashes.
2Press ( ) several times until the desired setting flashes.
3Press ( ) to confirm the input.
- The instrument changes to measuring mode.

Using the product 15
Using the product
To guarantee correct readings: Hold the instrument horizontally
so that the light sensor is directed upwards.
²Switching tthe iinstrument oon:
iPress .
- Measuring mode is opened.
²Switching tthe ddisplay llight oon:
The instrument is switched on.
iPress .
- The display light goes out automatically if no key is
pressed for 10 seconds.
²Changing tthe pparameter uunit:
iPress until the desired unit appears.
Adjustable units
·lux
·ftc
²Changing tthe ddisplay vview:
Adjustable views
· Current reading
·Hold: Readings are held.
·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.
iPress several times until the desired view appears.
²Resetting MMax/Min vvalues:
1Press several times until the desired view appears.
2Press and hold until ---- appears.
3Repeat steps 1and 2for all values that are to be reset.
²Switching tthe iinstrument ooff:
iPress and hold until the display goes out.
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Maintaining the product16
Maintaining the product
±Changing bbatteries:
1To open the battery compartment, push the battery cover
down.
2Remove used batteries and insert new batteries
(2x 1.5 V type AAA). Observe the polarity!
3To close the battery compartment, push the battery cover
back on.
±Cleaning tthe hhousing:
iClean the housing with a moist cloth (soap suds) if it is dirty.
Do not use aggressive cleaning agents or solvents!

Tips and assistance 17
Tips and assistance
Questions and answers
Question Possible causes/solutions
Hi · Readings outside the measuring range (too high:
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. Contact details can be found on the
guarantee card or on the Internet at: www.testo.com
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testo AG
Postfach 1140, 79849 Lenzkirch
Testo-Straße 1, 79853 Lenzkirch
Telefon: [phone]
Fax: [phone]
E-Mail: [email protected]
Internet: http://www.testo.com
0973.5400/01/T/dr/01.03.2007
www.testo.com