TA I
NSTRUMENTS
TGA 2950 xv
Safety
Electrical Safety
You must unplug the instrument before doing
any maintenance or repair work; voltages
exceeding 120 volts AC are present in this
system.
High voltages are present in this instru-
ment. If you are not trained in electrical
procedures, do not remove the cabinet
covers unless specifically instructed to do
so in the manual. Maintenance and repair
of internal parts must be performed only by
TA Instruments or other qualified service
personnel.
After transport or storage in humid condi-
tions, this equipment could fail to meet all
the safety requirements of the safety
standards indicated. Refer to the NOTE on
page 2-9 for the method used to dry out
the equipment before use.
Chemical Safety
Use only the purge gases listed in Table 1.4 in
Chapter 1. Use of other gases could cause
damage to the instrument or injury to the
operator.
Do not use hydrogen or any other explosive
gas in the TGA 2950 furnace or the TGA
2950 EGA furnace.
Oxygen can be used as a purge gas in the TGA
2950. However, the furnace must be kept
clean so that volatile hydrocarbons (which
might combust) are removed.
!
WARNING
!
WARNING
!
WARNING
!
WARNING
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