Thermo Scientific 42i Instruction Manual page 249

Setting Temperature with
Thermo Fisher Scientific
3. Enter the exact value of the attached resistor and press
the offset.
4. Press
5. Remove the resistor and re-attach the permeation oven to POJ3.
Use the following procedure for setting the measure temperature with water
bath.
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
°C.
3. In the Main Menu, choose Service > Perm Oven Settings > Cal Gas
Thermistor > Water Bath.
4. Enter the thermistor temperature from the thermometer and press
CAL OVEN THERM (RESISTOR):
CURRENTLY:
SET TO:

MOVE CURSOR

CHANGE VALUE
RANGE AVG DIAGS ALARM
to return to the Permeation Oven menu.
CAL GAS THERM (BATH):
CURRENTLY:
SET TO:
 MOVE CURSOR
 CHANGE VALUE
RANGE AVG DIAGS ALARM
.
Internal Permeation Span Source
3850 Ohms
04000 Ohms

SAVE

0.01 °C, adjust the water bath to 45
o
45.80 C
o
45.00 C
 SAVE
Model 42i Instruction Manual
Optional Equipment
to save
9-7