6-18 | Model 931S / Model 932S UV Analyzers
6. Install the new lamps:
a. Insert each lamp into its respective holder, making sure the correct
lamp type is in the correct lamp position and ensuring that the
narrow end of each lamp is pushed completely into the holder.
Do
not touch the (flat) window at the end of the lamp.
When handling the source lamps, it is very important to avoid touch-
ing the lamp windows because residual oils from the fingers will
absorb ultraviolet light. The window is the flat surface at the end of
the narrow glass tube. The lamp assembly is fragile and should be
handled with care.
b. Lightly tighten each Lamp Clamping Screw to secure each lamp.
Do not overtighten; the spring should not be collapsed.
c. Replace each Lamp Socket and secure them by rotating the Lamp
Adjustment Plate 90 degrees to its original position and tightening
the Lamp Retaining Screw. Do not overtighten; the spring should
not be collapsed. The lamp must be allowed to move so it can be
adjusted later.
It is necessary to work with the Ex d Upper Enclosure door open after
replacing source lamps so that adjustments can be made to the lamps.
Take care not to damage the flanges (flamepaths) on the enclosure.
7. Power up the analyzer and computer. Allow the analyzer to warm up
(30–45 minutes) before continuing.
8. Power up the laptop computer, start the Configurator Software, and
establish communications with the analyzer.
a. From the
Status
tab, click
Conc. Alarm Soft Enable
On/Off
to tem-
porarily
disable
the Concentration Alarms. Allow the analyzer to
stabilize for approximately 10 minutes before continuing.
b. Change the
Flow Control
setting to ‘
2
’ (
zero
). Click
Apply
(next
to
Flow Control
) to set the analyzer into
zero
Flow Control mode
and then click
OK
. Do not save the changes to EEPROM. Allow
the Zero gas to flow for 2–3 minutes.
c. Perform an Auto-Setup. See “The Auto-Setup Sequence” in this
chapter.
!
CAUTION
Setup (tab)
Gas
Calibration
!
WARNING
Setup (tab)
Optical
Bench
<<Auto-Setup>>
Содержание 931S
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Страница 71: ...Installation and Start Up 3 25 Figure 3 8 Conduit entries and AC power connection locations Lower Enclosure...
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Страница 221: ...Maintenance and Troubleshooting 6 37 Figure 6 12 Optical Bench Chopper Assembly Maintenance diagram 100 2313 1A...
Страница 237: ...Maintenance and Troubleshooting 6 53 Figure 6 14 AC Distribution board P N 100 1771...
Страница 238: ...6 54 Model 931S Model 932S UV Analyzers Figure 6 15 Host Controller board P N 100 1757 SW100...
Страница 239: ...Maintenance and Troubleshooting 6 55 Figure 6 16 Microcontroller board P N 100 1781 SW400...
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Страница 263: ...Appendix A Drawings A 7 RS 232 Cable Communications Connections 300 9480...
Страница 264: ...A 8 Model 931S Model 932S UV Analyzers Optical Bench Board 100 1662...
Страница 265: ...Appendix A Drawings A 9 PMT Buffer Board 100 0140...
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