TA Instruments TMA 2940 CE, Operator'S Manual, Page: 79 / 178

TA I
NSTRUMENTS
TMA 2940 CE 3–15
Low force levels may accentuate vibration -
induced signal noise.
8. Measure the sample length by pressing the
MEASURE LENGTH
key.
9. Move the furnace back into position and
close it.
Thermocouple
Positioning
Follow these guidelines as you position the
thermocouple on the stage with the sample:
Regardless of the size or shape of the sample
that you are running on the
TMA, position the tip of the
thermocouple so that it
bends at a 90° angle and lies
flat against the platform. It
should be close to, but not touching
the sample (as shown here):
Measuring the
Sample Length
Before you begin the experiment, it is important
to take an initial measurement of the sample. To
do so, simply press the
MEASURE LENGTH
key on the instrument keypad. This automatically
measures and stores the sample length on the
TA controller.
Running a TMA Experiment
NOTE: