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Optional Equipment
Internal Permeation Span Source
9-6
Model 43i Trace Level-Enhanced Instruction Manual
Thermo Fisher Scientific
3.
Enter the exact value of the attached resistor and press
to save
the offset.
4.
Press
to return to the Permeation Oven menu.
5.
Remove the resistor and re-attach the permeation oven to POJ3.
Use the following procedure for setting the measure temperature with water
bath.
1.
Remove the thermistor from the permeation tube oven, but leave the
thermistor connected to the measurement interface board. Insert the
thermistor into the water bath next to an NIST traceable thermometer
(if necessary, use an extension cable to reach).
2.
Turn on the power to the water bath. Using an NIST traceable
thermometer with a resolution of
±
0.01
°
C, adjust the water bath
to 45
°
C.
3.
From the Permeation Oven menu, in the Service menu, select Cal Gas
Thermistor >
Water Bath
. Enter the thermistor temperature from the
thermometer and press
(
Figure 9–3
).
CAL GAS THERM (BATH):
CURRENTLY: 45.80
o
C
SET TO: 45.0
0
o
C
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
RANGE AVG DIAGS ALARM
Figure 9–3.
Cal Gas Therm Bath Screen
4.
Remove the thermistor from the water bath, dry, and replace the
permeation tube oven.
5.
Make sure the charcoal scrubber is connected to the ZERO bulkhead
on the rear panel.
Setting Temperature with
Water Bath