Ametek Crystal Pressure WT Series Manuale operativo - Pagina 9
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Stampa la paginaPSVtest Mode
PSVtest mode is designed for PSV and PRV ("Pressure Safety Valve" and "Pressure Relief Valve", respectively) as well as for Rupture Disc (also known as "Burst
Disc") testing. It increases the measurement rate of the WT Series gauge to approximately eight times per second, to capture the peak pressure when the
valve opened, and adds a method of automatically capturing the closing reseat pressure.
Use ConfigXP to activate PSVtest Mode. When the Peak High icon (
tomatically reset to the Peak High value whenever a new Peak High value is detected. Once pressure stops increasing, as when a PSV opens (and the pressure
drops below the maximum pressure) WT Series detects the new minimum pressure values (the Peak Low), capturing the closing pressure of a PSV.
(
)
Press the
peak
button once to view the captured reseat pressure. The Peak Low icon (
(
)
clear
To clear the peaks, press the
button while the display shows the Peak High icon (
Note:
Application note AN-006–Pressure Safety Valve Testing detailing the operation of the PSVtest mode is available on xp2i.com, and includes examples on
how to use the gauge in relief valve and burst disk testing.
Reset
If for some reason the WT Series needs to be reset, remove any battery for at least one minute, then reinstall the battery. If the reset is successful, the WT Series
(
on/off
will start operating without pressing the
set to the default engineering units.
Communications/Programming
The WT Series responds to a query-based command language which allows remote control of the gauge. Please refer to the
for documentation of this feature.
) flashes, PSVtest mode is enabled. A special feature of PSVtest is that Peak Low is au-
HI
LO
HI
)
button. Reset will clear the zero, peak values will be reset to the current reading, and the WT Series will be
) will flash on the display.
) or Peak Low icon (
).
LO
XP2i Programming Instructions
7
Functions
XP2i Operation Manual