Tips and assistance
Questions and answers
Question
Hi or Lo
If we could not answer your question, please contact your dealer
or Testo Customer Service. For contact details, please visit www.
testo.com/service-contact
Accessories and spare parts
Accessories and spare parts can be found in the product
catalogues and brochures or in the internet at: www.testo.com
Possible causes/solutions
· Readings outside the measuring range (too high, too
low): Keep to the permitted measuring range.
· Residual capacity <10 min: Change batteries.
Tips and assistance 17
Need help?
Do you have a question about the 511 and is the answer not in the manual?
Questions and answers