Maintaining The Product; Tips And Assistance - testo 810 Manual De Instrucciones

20 Maintaining the product

Maintaining the product
â 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.
â Cleaning the housing:
> Clean the housing with a moist cloth (soap suds) if it is dirty.
Do not use aggressive cleaning agents or solvents!

Tips and assistance

Questions and answers
Question Possible causes/solutions
Hi or Lo · Readings outside the measuring range (too high, too
low): 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. For contact details, please visit www.
testo.com/service-contact
Tips and assistance
21