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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