Operator‘s Manual FERITSCOPE
®
FMP30 Page 87
Measuring
7.3.2 Measurements With External Start Enabled
When an automatic measurement acquisition is not desired, e.g., when
making measurements in pipes, boreholes or grooves, external start should
be enabled and automatic measurement acquisition disabled (Enabling ex-
ternally triggered measurement acquisition and disabling automatic mea-
surement acquisition: Page 175).
Externally triggered measurement acquisition is recommended when the -
ferrite content is to be documented in a fixed, pre-specified lateral grid. In
this manner, a measurement is registered even if the -ferrite content is too
low for an automatic measurement acquisition, i.e., when it is near or equal
to zero.
With external start enabled, the measurement acquisition can be triggered
manually in the following ways once the probe is positioned on the mea-
surement location:
Press the key
(not with a normalization or calibration)
Press the FINAL-RES key
(only during a normalization or calibration)
Transmitting the “ES” command via the interface port
( 9.5.2 ‘Control Commands’, beginning on Page 136)
7.3.3 Automatic Measurement Acquisition
A description of the two acquisition modes will follow under modes for au-
tomatic start of measurements after placing the probe). However, both
methods will also work with externally triggered measurement acquisition
( Page 87), but not in the free-running-mode ( Page 105)!
Measurement Capture Through Area Measurements
With area measurements, the single readings are taken as fast as possible
until the probe is lifted off. Only the determined mean value is stored.
With externally triggered measurement acquisition, the measurement
acquisition can be delayed by up to 2.5 sec ( 10.7.3 ‘External Start’,
beginning on Page 175)
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