5
Operation
1.Power
Press the
ON/OFF
button to turn power on or off.
The meter will perform a short self-test when turned on.
The meter defaults to the setting used during the last
operation.
2.Zero Adjust and Offset
Before use and without fittings attached to the
meter, press the
HOLD
button for more than 2 seconds to
zero the meter .The meter will reset and display
“
oooo ”
from right to left.
0.000
will be display.
If it is desired to offset the meter and display, press
the
DIF
button while taking a measurement Subsequent
reading will be the difference between the current
measurement and the measurement that was on the
display when the
DIF
button was pressed.
4.
Data Hold
Press the
HOLD
button momentarily to freeze the
displayed reading. The ‘
HOLD
’ icon will appear on the
upper left-hand side of the display. If the pressure value
is over the range, error codes will show on the screen.
Summary of Contents for DD890
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