Chapter 3 Operation
3-52
Pressure
The Pressure screen, shown below, displays the current optical chamber pressure reading
and the factory-set min and max alarm limits. The min and max alarm limits can be
changed when the instrument is in the service mode. Acceptable alarm limits range from
250 to 1,000 mm Hg. If the pressure reading goes beyond either the min or max alarm
limit, an alarm is activated. The word “Alarm” appears in the Run screen and in the Main
Menu.
To display the Pressure screen:
From the Main Menu choose Alarm
From the Alarm menu choose Pressure
To use the Pressure screen:
Use the
↑
and
↓
pushbuttons to move up and down (service mode on)
Press the
ENTER
pushbutton to select a choice (service mode on)
Press
MENU
to return to the Alarm menu
Press
RUN
to return to the Run screen
Pressure Flow Screen
Summary of Contents for 48C
Page 4: ......
Page 12: ......
Page 14: ......
Page 18: ......
Page 27: ...Chapter 3 Operation 3 3 Figure 3 2 Flowchart of Menu Driven Software ...
Page 112: ......
Page 116: ......
Page 120: ......
Page 123: ...Chapter 7 Servicing 7 3 Figure 7 2 Model 48C Component Layout 48P737 ...
Page 125: ...Chapter 7 Servicing 7 5 Figure 7 3 Optical Bench Exploded View 42P761 ...
Page 138: ......
Page 146: ...Chapter 9 Optional Equipment 9 2 Figure 9 2 Model 48C Dimensional Outline D42P725 ...
Page 155: ...Chapter 9 Optional Equipment Figure 9 8 Purge Housing Assembly 9 11 ...
Page 158: ......
Page 178: ...Appendix B RS 232 Commands B 20 µ ...
Page 184: ......
Page 186: ...C 2 ...
Page 187: ...C 3 ...
Page 188: ...C 4 ...
Page 189: ...C 5 ...
Page 190: ...C 6 ...
Page 191: ...C 7 ...
Page 192: ...C 8 ...
Page 193: ...C 9 ...
Page 194: ...C 10 ...
Page 195: ...C 11 ...
Page 196: ...C 12 ...
Page 197: ...C 13 ...
Page 198: ...C 14 ...
Page 199: ...C 15 ...
Page 200: ......
Page 201: ...APPENDIX D PUMP MAINTENANCE ...
Page 202: ......
Page 203: ......
Page 204: ......