Care And Maintenance - TESTO 435 Series Instruction Manual

8.

Care and maintenance

This chapter describes the steps that help to maintain the functionality of the
product and extend its service life.
Cleaning t t he h h ousing:
Clean the housing with a moist cloth (soap suds) if it is dirty. Do not use
aggressive cleaning agents or solvents!
Changing t t he b b attery/rechargeable b b attery:
Instrument is switched off.
Undo the two screws on the rear of the instrument and lift off the battery
1
compartment cover.
Remove spent batteries/rechargeable batteries and insert new
2
batteries/rechargeable batteries (3x mignon) into the battery
compartment. Observe the polarity!
Replace the battery compartment cover and tighten the two screws.
3
8. Care and maintenance 59