NDT
INTERNATIONAL, INC.
NDT-710
Thickness
Gauge
9
6) Observe that the display shows
( : CAL ).
7) Turn the sensitivity adjustment pot gradually, in a Clockwise (CW) direction, until the
display changes to
( - - - - )
, which indicates proper calibration of the transducer
to the gauge.
8) Place the transducer on various other known thickness samples to verify the
transducer measurement range. It may be necessary to make a fine adjustment
CCW or CW to obtain the maximum correct range.
9) Once set, replace the small black cap. The gauge will then be calibrated for
optimum accuracy and range for that transducer.
LCD Display Backlight
1) To turn on the backlight press the
(CAL)
key and the up arrow key
(
▲
)
at the same
time.
(OFF)
will appear in the display signifying that the backlight is off.
2) While holding
(CAL),
press
(
▲
)
again and
(ON)
will appear signifying that the
backlight is on continuously.
3) Press
(
▲
)
again and
(AU)
will appear in the display signifying that the backlight in
automatic mode. In this mode the backlight will come on when the transducer is
coupled to material and will to shut off automatically after 10 seconds of non-use.
This mode will extend battery life.
Battery Replacement
1) The Low Battery indicator is a small arrow
(
←
)
which will appear in the upper
left of the display window, above the coupling indicator. This lights when the
battery drops below the proper operating level.
2) The battery should be replaced within two hours after the indicator lights. If not,
the readings can become unreliable.
3) Slide the battery cover on the bottom of the shell to the rear.
4) Remove battery holder from battery compartment and remove old battery.
5) Insert new 9VDC battery observing proper polarity. Reversed batteries may
cause permanent damage.
NOTE: Some older gauges used (4) "AAA" batteries.
6) Install the battery cover.
ALWAYS CARRY A SPARE BATTERY.
