Ametek 933S, Operator'S Manual

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6-16 | Model 933S UV Analyzer
c. Standard Range
Align the two larger-diameter holes in the Window Cover with the
two larger-diameter holes in the Measuring Cell and connect it to
the Window Cover with the (3) M4 x 35 screws. Tighten the screws
evenly.
Low Range
Hold the Measuring Cell with the sample fitting near the Aperture
Plate upward and connect it to the Window Cover with the (3)
M4 x 35 screws. Tighten the screws evenly.
9. Reconnect the sample tubing to the Measuring Cell.
10. Power up the analyzer and computer.
11. Allow the analyzer to warm up then perform a leak check on the
sample system fittings that were disconnected. See “Sample System
Leak Check” in Chapter 3.
Analyzers without Heated Cells:
If the leak check passes, continue with Step 12.
Analyzers with Heated Cells:
If the leak check passes, replace the Insulating Jacket or close the Oven
door to allow the Cell to warm up to normal operating temperature
and stabilize and then continue with Step 12.
12. Perform an Auto-Setup.
13. After the Auto-Setup is complete, change the Flow Control to ‘ 3 ’
( zero ) and perform a manual Zero. Click OK then Apply . Do not save
the changes to EEPROM.
14. After the Zero is complete, change the Flow Control to ‘ 0 ’ ( auto ). Click
OK then Apply . Save the changes to EEPROM.
15. If the analyzer uses Measured Pressure Compensation (optional),
return the setting to Measured mode. To do this, view the Cell/Misc
Parameters dialog box and enter ‘ 0 ’ in the Default Cell Pres (pressure
compensation) field.

Setup (tab)

Optical
Bench

<<Auto-Setup>>