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8.2
Clean Fluorometer Flow Cell
Shut off both the inlet and outlet shut-off valves. Unscrew cap located on top of the flow switch,
remove flow switch shuttle assembly .
Using the flow cell brush
500-TSRKITSTR.88), gently push the brush down through the opening and scrub the full length of
the flowswitch and fluorometer tube.
After cleaning is complete, check fluorometer calibration (Refer to Section 4.10.3).
8.3
Check/replace Fluorometer Desiccant
The fluorometer uses a desiccant canister and a color-coded humidity indicator to ensure that the
optics are not exposed to condensation.
Monthly, check the color of the desiccant indicator on the front of the 3D TRASAR fluorometer .
If the indicator is blue, desiccant does not need to be replaced. If the indicator is pink, unscrew the
desiccant cover from fluorometer . Replace both the indicator (
canister
(P/N
060-TR5222.88).
8.4
Check Sensor Calibration
Refer to Section 4.10.3 to 4.10.6 for recommended calibration procedures. Calibrate as recom-
mended by the maintenance schedule or if an error is detected.
Sensor
Fluorometer
pH
ORP
Conductivity
Technical Help
(630) 305-CHEM
3D TRASAR
(P/N
500-P2817.88) provided with the Start-up kit
Reason for Calibration
Monthly, to verify accuracy
Monthly, to fine-tune calibration to
compensate for mi nor drifting.
After installation of new probe, or
if probe readings become erratic
due to fouling/degradation.
Monthly, to fine-tune calibration to
compensate for mi nor drifting.
After installation of new probe, or
if probe readings become erratic
due to fouling/degradation.
Monthly, to fine-tune calibration to
compensate for mi nor drifting.
After installation of new probe, or
if probe readings become erratic
due to fouling/degradation.
521-OM0108.88
Copyright © 2009 Nalco Company
®
5500 - Installation & Operation Manual
(P/N 500-TSRKIT.88 or
P /N
060-TR5223.88) and desiccant
# Calibration
Points
2 (blank and
S0940)
1
2
1
2
1
2
8-2
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