TA Instruments TGA 2050, Operator'S Manual

Page: 80 / 130

Running Experiments
3–20 TA I
NSTRUMENTS
TGA 2050
Starting an
Experiment
You can begin the experiment using either the
START
key on the TGA instrument keypad or
select Start on the controller. When you start,
the system automatically begins the set-up
procedures. It loads the sample pan and closes
the furnace, if necessary, and then begins the
selected method and data collection starts.
If you wish to start collecting data during
instrument setup, you can use the forced start
feature. This is most useful for samples that
loose a significant amount of weight during the
set-up period ( i.e. , samples with volatile sol-
vents). When a forced start is initiated, the
current sample weight is stored as the initial
weight, data collection is started immediately,
and the instrument status changes from “Set Up”
to “Started.” The method begins when the
normal set-up procedures are completed.
Once the experiment is started, operations are
best performed at the controller keyboard. The
TGA 2050 is very sensitive to motion and might
pick up the vibration caused by pressing a key on
the instrument keypad.
Forced Start
Press the
START
key on the instrument keypad
while the controller status line displays “Set
Up.”
NOTE: