TCi Operator Manual
53
Step 27 – Review the average and RSD values for each calibration material.
The RSD values must be below 2%.
Step 28 – Click the Compute button.
Note: Click Effusivity or Conductivity to view the graphs.
Step 29 – Review the m* and R2 values.
R2 values are a measure of the linearity of the calibration curve. Calibrations with: R2 values
over 0.999 are good, R2 values under 0.999 are average, R2 values under 0.995 are poor.
Holding the mouse over the Bar beside the results will display the Good, Average, or Poor rating.
The m* value is generated by an iterative algorithm patented by C-Therm to ensure a more linear
thermal conductivity calibration
.
Larger m* values indicate that the samples required more
adjustment to form a straight line. The m* value is judged by comparing it to the m value (inverse
of 1/M displayed in test results) of the lowest conductivity material. If the m* value is: good if less
than 70% of the m value, average if over 70% of the m value, and poor if greater than 85% of the
m value. Holding the mouse over the Bar beside the results will display the Good, Average, or
Poor rating.
Summary of Contents for TCi
Page 1: ...C Therm TCi Operator Manual TH130041 Rev H...
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Page 6: ...TCi Operator Manual vi...
Page 53: ...TCi Operator Manual 47 Step 3 Click the Import button...