9
transducer is seated flat against the material. If the condition persists, it may be necessary to select a
different transducer (size or frequency) for the material being measured.
While the transducer is in contact with the material that is being measured, the instrument will perform
four measurements every second, updating its display as it does so. When the transducer is removed
from the surface, the display will hold the last measurement made.
Notes
：
Occasionally, a small film of couplant will be drawn out between the transducer and the surface
as the transducer is removed. When this happens, the gauge may perform a measurement
through this couplant film, resulting in a measurement that is larger or smaller than it should be.
This phenomenon is obvious when one thickness value is observed while the transducer is in
place, and another value is observed after the transducer is removed. In addition, measurements
through very thick paint or coatings may result in the paint or coating being measured rather
than the actual material intended. The responsibility for proper use of the instrument, and
recognition of these types of phenomenon, rests solely with the user of the instrument.
4.6 Scan mode
While the gauge excels at making single point measurements, it is sometimes desirable to examine a
larger region, searching for the thinnest point. The gauge includes a feature, called Scan Mode, which
allows it to do just that.
In normal operation, the gauge performs and displays four measurements every second, which is quite
adequate for single measurements. In Scan Mode, however, the gauge performs ten measurements
every second, and displays the readings while scanning. While the transducer is in contact with the
material being measured, the gauge is keeping track of the lowest measurement it finds. The transducer
may be “scrubbed” across a surface, and any brief interruptions in the signal will be ignored. When the
transducer loses contact with the surface for more than two seconds, the gauge will display the smallest
measurement it found. When the transducer is removed from the material being scanned, the gauge will
display the smallest measurement it found.
When the scan mode is turned off, the single point mode will be automatically turned on. Turn on/off the
scan mode by the following steps:
Press the
key to switch the scan mode on and off. It will display the current condition of the scan
mode on the main screen.
4.7 Changing Resolution
The gauge has selectable display resolution, which is 0.1mm and 0.01mm.
Press down the
key while turning on the gauge will switch the resolution between “High” and “Low”.
4.8 Changing Units
On the measurement mode, press the
key to switch back and forth between imperial and metric
units.
4.9 Memory Management
4.9.1 Storing a reading
There are twenty files (F00-F19) that can be used to store the measurement values inside the gauge. At
most 100 records (thickness values) can be stored to each file. By simply pressing the
key after a
new measurement reading appears, the measured thickness value will be saved to current file. It is
added as the last record of the file. To change the destination file to store the measured values, follow
the steps:
①
Press the
key to activate the data logging functions. It will display the current file name and the
total record count of the file.
②
Use the
key and the
key to select the desired file to set as current file.
③
Press the
key to exit the data logging functions at any time.
4.9.2 Clearing selected file
The user may require the contents of an entire file be completely cleared of all measurements. This
would allow the user to start a new list of measurements starting at storage location L00. The procedure
