User manual

21
Table of contentsx
Introduction ..............................................................................................................19
Prescribed use ..........................................................................................................19
Controls (fold-out page) ............................................................................................20
Table of contents ......................................................................................................21
Safety instructions ....................................................................................................21
Presentation .............................................................................................................23
Handling, putting-into-operation ..............................................................................23
Connection of the PC, installation of the software ..................................................27
Carrying out measurements......................................................................................28
Disposal ....................................................................................................................31
Correcting malfunctions............................................................................................31
Maintenance..............................................................................................................32
Technical specifications, measuring tolerances .......................................................32
Safety instructions
We do not assume liability for damages to property or personal
injury which are caused due to improper use or due to failure to
observe these operating and safety instructions. In such cases the
guarantee will expire.
- The digital thermometer 309 left the works in technically reliable condition. In order
to preserve this condition and to ensure safe operation, we kindly request the user
to observe the safety instructions and the warning notes (" Warning!" and "Note!")
of these operating instructions. The following symbols need to be observed:
= Read the operating instructions
- Keep measuring instruments and accessories out of reach of children. They are
nothing to play with.
- In commercial and industrial facilities the regulations for the prevention of acci-
dents as laid down by the professional trade association for electrical equipment
and devices need to be observed.
- In schools, training facilities, do-it-yourself and hobby workshops the measuring
instruments are to be used under the responsible supervision of trained personnel.