Testo Testo 540 Manual

Instruction manual

testo 540

99 Washington Street
Melrose, MA 02176

Phone [phone]
Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

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

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.