Page 204 Operator‘s Manual FERITSCOPE
®
FMP30
Glossary
Figure 16.3: Calibration curve
(-ferrite content as a function of the normalized countrate)
Calibration standards
Objects with the same attributes (or as close as possible) as the measur-
ing object with known -ferrite contents that have been measured with
an extremely accurate test method. Calibration standard set
Calibration standard set
The calibration standard sets used for the corrective calibration of the
FERITSCOPE
®
FMP30 consist of the Base and three calibration stan-
dards of different -ferrite contents (cf. Figure 16.5). Various calibration
standards sets for corrective calibration are available from FISCHER to
prepare the instrument for different measuring ranges.
Figure 16.5: Calibration standard set (example)
Fe
Xn
0 1
The ferrite content Fe is displayed as a
function of the countrate Xn in a calibra-
tion curve.
Xn = 0 Base (ferrite content:
140 FN or 105 Fe%)
Xn = 1 ferrite content: 0 FN or 0 Fe%
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