7-1
7 Measurement data memory
7.1 Saving data
• The EFA can save individual values and the changes in field strength
over a period of up to 24 hours can be monitored and recorded.
• The date and time are recorded with each data set.
Note: Make sure that the date and time settings are correct before
recording data to ensure that the correct date and time are assigned to
the data sets.
• There are up to 4095 memory positions available.
• The memory positions are assigned to the incoming data sets in
ascending order.
• Every data set is uniquely identified by a data set number.
• Five types of data set can be saved:
Data set type Data set contents
(extracts)
Available in operating mode
Normal Current measured value Field Strength, Exposure STD
Auto Timer-controlled
measurement sequences
Field Strength, Exposure STD
Matrix Spatially assigned
measurement sequences
Field Strength, Exposure STD
Vector Frequency spectrum Spectrum FFT
List List of measured values Harmonic Analysis
Table 7-1 Content and availability of data set types
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