TB 9-6625-157-40
[Menu] key several times until the CAL number screen is displayed.
(a)
[▲] and [►] keys to set the CAL number to 13332.
(b)
[Menu] key to accept the value and advance to the Decimal Point screen.
(c)
[▲] and [►] keys to set the decimal point to the XX.XXX position.
(d)
[Menu] key to exit the menus and return to the display screen.
(e)
NOTE
Before vacuum pump is powered on; close the TI vacuum vent
valve and test port valve; and assure TI bell jar is securely in
place. If there is no test port valve, assure that the test port is
plugged. Verify that all vacuum pump and vacuum standard
accessories have been installed correctly. The vacuum pump
and vacuum standard should be securely fastened to the TI.
(8) Open vacuum pump valve.
(9) Power on the TI piston gage vacuum pump.
(10) Read VAC (current measurement of the vacuum sensor) by pressing TI keys as
listed in (a) through (d) below.
[SPECIAL]
(a)
<7cal>
(b)
<6vac>
(c)
<1view>
(d)
(11) The TI will display the output in the format shown in figure 5.
Figure 5. Vacuum Sensor Display.
(12) Wait for TI VAC to stabilize below 5 Pa. TI VAC must not change more than
0.1 Pa over 5 minutes.
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