Mastercool 90413 4-way Valve Digital Manifold - Manual (Page 7)

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ZOOM COMMAND
• ZOOM FACTOR can be displayed in NORMAL, 5X or 10X mode. The selected scale;
NORMAL, 5X or 10X does not have any affect on the data being recorded other than
digitally stretching the data being viewed and displayed. The intended use and
application of the zoom (scale) factor is to view specific data points of interest. The
cursor command must be turned on to enter the Zoom mode.
1) Click the “ZOOM FACTOR” (fig. 8) drop-down menu to select either a factor of
5x or 10x.
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DISPLAY FUNCTION FEATURES
• Display ALL command. This enables all parameters of the Digital Manifold to be displayed
simultaneously. As the line functions propagate across the screen, the value of the
“real-time” data will also be displayed digitally.
• The user also has the option of monitoring only specific individual functions if desired. In
that event, even if the display is in the view ALL functions mode, the user can
over-ride the view ALL option by simply selecting the function of interest with his mouse.
The Mastercool Data Logger shall continue to record all the functions in the background,
regardless of how many individual functions are being displayed.
• Display DEEP VACUUM ONLY command. This enables only the deep vacuum readings to
be displayed on the screen. The software will automatically enter this mode when deep
vacuum is achieved through a thermocouple connection and the manifold is recording in
“real time.”
SELECTING THE PLOTS TO VIEW
1) Click the check box buttons on the left side of the screen to enable or disable the
viewing of specific plots (fig. 9.)
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2) Click “SHOW ALL PLOTS” (fig. 10) to quickly turn on all plots that are not being
displayed.
NOTE: Data continues to be logged for all plots regardless of whether a plot is being
displayed.
VACUUM READINGS
• There are two ways to measure vacuum:
a) Directly through the manifold where negative pressure is represented in PSI, INHg, Bar,
MPa or Kg/cm2.
b) Using a thermocouple connection to achieve a high accuracy reading. Readings can be
represented in Micron, mBar, KPa, mmHg, Pa, Torr and mTorr.
THERMOCOUPLE CONNECTION
When using a thermocouple connection the data can be graphed and recorded using the
DEEP VACUUM ONLY selection mentioned above.
1) Connect the thermocouple sensor and press the vacuum button. When DEEP
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