Checkline DCF-900 - Manual (Page 6)

5 .0 Ope ra t ing Proc e dure
5.1 Handle Probe Carefully.
All probes contain sensitive circuitry. Handle them with care.
Do not drop or swing them.
AVOID DRAGGING PROBE TIP ACROSS A SURFACE.
For best results, hold probe in place until reading is stabilized,
then lift probe away from surface before re-applying to surface
for subsequent readings. Clean pole tips with a dry cloth.
DO NOT USE ANY SOLVENTS.
5.2. Taking Measurements
1. Press key to turn on the power. The LCD will display
ru.n or run. The gauge is now ready to take measurements.
NOTE: The presence or absence of a decimal point on the LCD
display indicates that the gauge has been set for English (mils)
or metric (microns) units, respectively. To change from mils to
microns and vice versa, refer to 7.0.
2. Hold the probe by the black, outer plastic shell and gently press
the tip against the surface to be measured. Use enough pressure
to cause the inner V-notched liner to contact the coated surface
and prevent the probe from rocking.
The thickness reading will be displayed on the LCD display.
7 .0 Cha nging U nit s of M e a sure
To change units of measure (mils vs. microns), proceed as
follows:
1. Turn the power on by pressing the key.
The display will show:
ru.n Gauge set for mils (0.001”), or
run Gauge set for microns (µm)
2. Press the key and keep it depressed for approximately
2 seconds until a tone is heard. You will notice that the decimal
point will either appear or disappear, indicating that the units of
measure have changed from mils to microns, or vice versa,
each time the key is pressed and held. Lift probe.
NOTE: Once selected, units of measure will remain unchanged
each time the DCF-900 is turned on and off.
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