Ametek Crystal Pressure WT Series Manual de instrucciones - Página 6

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zero
Resetting (Clearing) Recorded Peak Values
clear
Peak values can only be cleared when displaying either a Peak High or Peak Low recorded pressure. Press the
lines will briefly appear across the display indicating that both Peak values have been cleared. Both Peak High and Peak Low values will then display the
(
current applied pressure. Pressing the
clear
value. If you need to rezero the gauge, you must turn off both peak icons by pressing the
zero
Zero
clear
If you attempt to zero the gauge while applying a pressure which exceeds the Zero Limit (set in ConfigXP, defaults to 20 PSI),
- - HI -
the command will be ignored and
will be displayed.
To Zero the WT Series
X
(
Turn off peak indication by pressing the
peak
button for at least ½ second when the gauge is vented to atmosphere.
The display will then briefly flash all dashed lines (
!
WARNING: This gauge can display zero pressure when connected to a source of pressure! Do not rely on the display indication before disconnecting—
it may not be indicating true pressure. Never disconnect pressure instrumentation without first relieving system pressure!
To Clear the Zero Value on the WT Series
X
Turn off peak indication as described above, then press and hold the
This is especially useful for absolute gauges that have been zeroed to use for gauge pressure measurement.
)
button while either the Peak High icon (
HI
)
button repeatedly until the Peak High icon (
), indicating that it has been re-zeroed. Absolute gauges will now indicate gauge pressure.
(
)
zero
button until the display changes from (
(
)
clear
button for at least ½ second. Dashed
) or the Peak Low icon (
) is displayed will not affect the zero
LO
(
)
peak
button.
) and Peak Low icon (
) are off. Then press the
LO
HI
) to (
(
)
zero
).
4
Functions
XP2i Operation Manual