Thermo Scientific 146i, Instruction Manual

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Optional Equipment
Permeation Oven
9-4 Model 146 i Instruction Manual Thermo Fisher Scientific
3. Remove the thermistor from POJ1 on the measurement interface board.
4. Connect a resistance of approximately 3.8 K
Ω
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 to calibrate the low resistance point.
6. Press to return to the Factory Cal Gas Therm menu.
7. Connect a resistance of approximately 5 K
Ω
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 K
Ω
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 to calibrate the low resistance point.
13. Press to return to the Factory Cal Oven Therm menu.
14. Connect a resistance of approximately 5 K
Ω
across pins 3 and 4 of
POJ3.