Testo Testo 540 Manual

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Instruction manual
testo 540
99 Washington Street Melrose, MA 02176
Phone 781-665-1400 Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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Short manual testo 540
Protection cap: Park positionLight sensorDisplayControl keysBattery 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
i 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.
i Pay particular attention to information emphasised by the
following symbols:
Important.
Avoid personal injury/damage to equipment
i Only operate the measuring instrument properly, for its
intended purpose and within the parameters specified in the technical data. Do not use force.
i Never store the product together with solvents, acids or other
aggressive substances.
i 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.
Protecting the environment
i Take faulty rechargeable batteries as well as spent batteries to
the collection points provided for them.
i 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.
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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/m
2
), 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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Test Equipment Depot - 800.517.8431 99 Washington Street, Melrose, MA 0 TestEquipmentDepot.com
2176
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Product description14
Product description
At a glance
Protection cap: Park positionLight sensorDisplayControl keysBattery compartment (on rear)
First steps
²
Inserting bbatteries: 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.
²
Basic ssettings ((configuration mmode):
Adjustable functions
· 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.
- The instrument changes to measuring mode.
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Using the product 15
Using the product
To guarantee correct readings: Hold the instrument horizontally so that the light sensor is directed upwards.
²
Switching tthe iinstrument oon: i Press .
- Measuring mode is opened.
²
Switching tthe ddisplay llight oon:
The instrument is switched on. i Press .
- The display light goes out automatically if no key is pressed for 10 seconds.
²
Changing tthe pparameter uunit: i Pr
ess until the desired unit appears.
Adjustable units
· lux
· ftc
²
Changing 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.
i Press several times until the desired view appears.
²
Resetting MMax/Min vvalues:
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.
²
Switching tthe iinstrument ooff: i Press and hold until the display goes out.
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Maintaining the product16
Maintaining the product
±
Changing bbatteries: 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 tthe hhousing: i Clean the housing with a moist cloth (soap suds) if it is dirty.
Do not use aggressive cleaning agents or solvents!
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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.
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If we could not answer your question, please contact your dealer or
Testo Customer Service.
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Notes18
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0973.5400/02/Sh/dr/28.03.2007
Test Equipment Depot - 800.517.8431 99 Washington Street
, Melrose, MA 02176
TestEquipmentDepot.com
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