EXTERNAL AIR COOLING
3.
On the lower rear side of the Discover install the pressure regulator to the Discover using the
3.1.
¼” polyethylene tubing (Figure 1).
Connect the other side of the pressure regulator to a source of compressed air and set the
3.2.
pressure regulator to 20 PSI.
NITROGEN SUPPLY, VACUUM, AND VENT
4.
Connect the tubing labeled “Nitrogen” extending from the rear of the valve panel (Figure 1) to
4.1.
the pressure regulator of the nitrogen source.
Remove the fittings, including the yellow ferrule and nut, from the tubing attached to the
4.2.
vacuum pump. Use the union fitting to connect the 1/8 in (3 mm) tube labeled “Vacuum”
extending from the rear of the valve panel to the tubing extending from the vacuum pump.
Place the open end of the tubing labeled “Vent” extending from the rear of the valve panel into
4.3.
a fume hood or waste trap.
CALIBRATE FIBER-OPTIC PROBE
5.
Connect the power cord to the Discover. Locate the power switch (on the left side of the unit)
5.1.
and turn the power ON.
Press EDIT.
5.2.
The screen should say “TEMPERATURE”. If yes, press ENTER. Otherwise, use the right
5.3.
arrow key to scroll to “TEMPERATURE” and press ENTER.
Use the right arrow key to scroll to “Select Alternate”.
5.4.
Ensure that “DEVICE = FIBER-OPTIC”. If yes, press ENTER. If no, use the right arrow key to
5.5.
change to “DEVICE = FIBER-OPTIC” and press ENTER.
Press EDIT.
5.6.
The screen should say “TEMPERATURE”. If yes, press ENTER. Otherwise, use the right
5.7.
arrow key to scroll to “TEMPERATURE” and press ENTER.
Highlight “Enter Calibration” and press ENTER.
5.8.
Press EDIT, then enter the 7 digit GF# located on the white band at the base of the fiber-optic
5.9.
probe.
Press ENTER. The calibration is now saved in the software.
5.10.
Press HOME to return to the Home Screen.
5.11.
CALIBRATE PRESSURE SENSOR
6.
Press EDIT.
6.1.
Use the right arrow key to scroll to “PRESSURE” and press ENTER.
6.2.
Select “Enter Calibration” and press ENTER.
6.3.
Press EDIT. The last digit of SLOPE should be flashing.
6.4.
Use the keypad to enter the Slope value printed on the white band on the collar of the 9-pin
6.5.
connector, then press ENTER.
The last digit of INTERCEPT should be flashing. Use the keypad to enter the Intercept value
6.6.
printed on the white band, then press ENTER. The calibration is now saved in the software.
Press HOME to return to the Home Screen.
6.7.
INSTRUMENT OPERATION
Choose a method.
1.
To create a new method:
1.1.
Press the Open Folder key.
1.1.1.
Using the left arrow, select “New Method”.
1.1.2.
Press the right arrow key until “Mode = Standard”. Press ENTER.
1.1.3.
Set Power, then press ENTER. (150 W is recommended.)
1.1.4.
Set Maximum Temperature, then press ENTER. (150° C is recommended.)
1.1.5.
Set Pressure, then press ENTER. (100 psi is the MAXIMUM recommended pressure.)
1.1.6.
