Ametek Crystal Pressure WT Series Manual de instrucciones - Página 7

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Automatic Shut-off
The WT Series has a shutoff timer and will turn off automatically after 20 minutes of non-operation. Pressing any button or sending any command via the RS-
232 connection resets the shutoff timer for another 20 minutes of operation. The WT Series will briefly display
To disable the shutoff feature, turn on the WT Series by pressing the
No Auto Off
to indicate that it will not turn off. The shutoff feature can be enabled again when turning the WT Series on, by pressing the same
(
)
zero
buttons. These settings are retained when the product is powered down.
Note:
This key combination will not toggle the auto-shutoff feature if ConfigXP is set to require a password before changing settings.
Backlight
(
)
Pressing the
backlight
button instantly lights the display at maximum brightness. Hold down the button for 1 second to keep it on. The display will flash
briefly, indicating that it will stay on for 1 minute. If you press the
battery life, and remain on for 2 minutes after the last key is pressed. Press the
If you start the WT Series in the No Auto Off mode, you may select the brightness level in the same way. The light will never time out and turn off. Turn off the
(
)
WT Series, or press the
backlight
button repeatedly, to turn off the backlight.
Measuring Vacuum
All versions of the WT Series can be used to measure moderate vacuum, though only ranges of 300 PSI (and 20 bar or 2000 kPa) and lower are actually tested
and certified for vacuum operation.
When measuring pressure less than ambient barometric conditions, a minus (-) sign will appear.
Absolute gauges
(models with a "B" in front of "WT" in the part number) will NOT indicate a negative sign when vacuum is applied, unless the
has been pressed while a pressure greater than full vacuum is applied to the gauge. If your absolute gauge does indicate a negative pressure, you can clear
(
the zero value ("unzero") by pressing the
!
CAUTION: WT Series are not recommended for continuous use below -14.5 PSIG.
For continuous use below -14.5 PSIG with high accuracy, choose our
(
)
(
on/off
and
zero
(
)
backlight
button again, the backlight will go into a lower brightness setting to extend
(
backlight
)
zero
button until the display changes from (
XP2i-DP Differential Pressure
Auto Off 20
when turned on.
)
buttons simultaneously. The WT Series will briefly display the words
)
button once more and the light will go out.
) to (
).
Gauge.
(
)
on/off
and
(
)
zero
button
5
Functions
XP2i Operation Manual