Operator‘s Manual FERITSCOPE
®
FMP30
Page 217
Glossary
where:
R.
= mean range
= Estimated value of the standard deviation s of the population
d
2
= Factor, depends on the random sample size, can be obtained from popular
published tables.
Rechargeable battery
Accumulator (German abbreviation Akku). Rechargeable. Used like any
battery.
Reference area
A portion of the significant surface area of a product where one or more
measurements are to be taken. It is recommended to include the refer-
ence area or significant surface area in the production specifications, in
addition to the specifications limits for the
-ferrite content.
Reference sample
Probability chart (Gaussian probability paper, sum frequency chart, probability
paper)
Can be used to check graphically for normal distribution of the measure-
ments. A straight line in the normal probability chart indicates normal
distribution.
Probability paper
Probability chart (Gaussian probability paper, sum
frequency chart, probability paper)
Probe
The instrument receives the electrical probe signal, which is proportional
to the
-ferrite content measured, from the probe. The probe signal is
then converted by means of the calibration curve into the ferrite content
reading. The FISCHER probes are equipped with a memory chip (EE-
PROM) in the probe plug. The EEPROM stores probe-specific informa-
tion (e.g., probe type, manufacturing code, test method and coefficients
of the master calibration curve).
Probe characteristic
Master characteristic (Probe characteristic)
Random measurement error
Random sample
A representative group selected from the production lot, using random
sample principles. The sample is used to determine the properties of the
R.
ˆ
d
2
=
ˆ
Содержание FERITSCOPE FMP30
Страница 1: ...FERITSCOPE FMP30 Operator s Manual Coating Thickness Material Analysis Microhardness Material Testing ...
Страница 63: ...Page 58 Operator s Manual FERITSCOPE FMP30 Applications Fig 5 3 Example for linking of applications ...
Страница 235: ...Page 230 Operator s Manual FERITSCOPE FMP30 Glossary ...
Страница 240: ...Operator s Manual FERITSCOPE FMP30 Page 235 X Xn 79 ...
Страница 241: ...Coating Thickness Material Analysis Microhardness Material Testing ...