TESTO 540 Instruction Manual

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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 � Protection cap: Park position � Light sensor � Display � Control keys � Battery compartment (on rear) Basic settings Instrument off > press and hold 2s > select with ( ), confirm with ( ): Auto off function: OFF, ON Switching the instrument on Press . Switching the ddisplay llight oon (for 10s) Ins ...

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 atten ...

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 ...

� Protection cap: Park position � Light sensor � Display � Control keys � Battery compartment (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 compa ...

Using the product To guarantee correct readings: Hold the instrument horizontally so that the light sensor is directed upwards. � 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 ...

16 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 ...

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 foun ...

Testo-Straße 1, 79853 Lenzkirch Telefon: (07653) 681-0 Fax: (07653) 681-100 E-Mail: [email protected] Internet: http://www.testo.com 0973.5400/01/T/dr/01.03.2007 www.testo.com ...