Service And Maintenance; Changing The Batteries; Cleaning The Instrument; Questions And Answers - TESTO 104-IR BT Mode D'emploi

9. Service and maintenance

9.1 Changing the batteries

Do not use aggressive cleaning agents or solvent!
The housing and probe can be disinfected using an alcohol-
based spray. In doing so, always follow the manufacturer's
instructions.
Clean the housing and probe under running water and rub
dry with a towel.
Clean the lens carefully with a cotton bud dipped in water or
medical alcohol.

10. Questions and answers

Question
lights up
IR measurement:
- - - lights up.
Contact measurement:
- - - lights.
Instrument cannot
batteries. be switched on
Instrument
switches itself off.
If we have not been able to answer your question, please
contact your local dealer or Testo Customer Service. For
contact details, please visit www.testo.com.
16
3 Insert batteries (2x type AAA). Observe
the polarity!
4 Close the battery compartment.
5 Tighten the screw.

9.2 Cleaning the instrument

Only use weak, commercially available
neutral/household cleaning agents (e.g.
washing-up liquid) to clean the instrument.
Possible causes
Low battery
Measuring values
outside measuring range
Valores de medición
outside permissible range
Batteries dead.
Instrument switches off
automatically after 10 min
in contact measurement mode
and after 1 min after switching
on in IR measurement mode.
1 Use a slotted
screwdriver to
undo the screw on
the battery
compartment.
2 Open the battery
compartment.
Possible solution
Change batteries.
Keep to permissible
measuring range.
Keep to measuring
range.
Change
Switch the
instrument on again