Tips And Assistance; Questions And Answers - TESTO 540 Mode D'emploi

Tips and assistance

Questions and answers

Question
Hi
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
Possible causes/solutions
· Readings outside the measuring range (too high:
Keep to the permitted measuring range.
· Residual capacity <10 min: Change batteries.
Tips and assistance 17