Advertisement
Optional Equipment
Permeation Oven
9-4
Model 146i Instruction Manual
3. Remove the thermistor from POJ1 on the measurement interface board.
4. Connect a resistance of approximately 3.8 KΩ across pins 1 and 2 of
POJ1.
5. Go to the Factory Cal Gas Therm menu from the Perm Oven Settings
menu in the Service menu. Select Low Point, enter the exact value of
the resistor and press
6. Press
to return to the Factory Cal Gas Therm menu.
7. Connect a resistance of approximately 5 KΩ across pins 1 and 2 of
POJ1.
8. Go to the High Point screen, enter the exact value of the resistor and
press
to calibrate the high resistance point.
9. Press
to return to the Factory Cal Gas Therm menu.
10. Remove resistor from POJ1 and re-attach the gas thermistor.
11. Connect a resistance of approximately 3.8 KΩ across pins 3 and 4 of
POJ3.
12. Go to the Factory Cal Oven Therm menu from the Perm Oven Settings
menu in the Service menu. Select Low Point, enter the exact value of
the resistor and press
13. Press
to return to the Factory Cal Oven Therm menu.
14. Connect a resistance of approximately 5 KΩ across pins 3 and 4 of
POJ3.
to calibrate the low resistance point.
to calibrate the low resistance point.
Thermo Fisher Scientific
Advertisement
Troubleshooting
