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AutoClean Theory and Piping
7/99 9782 Series Conductivity/Resistivity Analyzer/Controller - Operator’s Manual 7-3
Automatic Wash Setup
AutoClean Operation
Interval Between Rinses
(days or hours)
0.588"
0.222" 1.709"
Normal Operation
Resume Delay Time (seconds)
Rinse Duration (seconds)
Relay 1 Activated
TIME
Outputs & Alarms Held
rinse/cleaning
solution
process
sample
cell
to process
to drain
9782
S4
S1
Items outside this area
provided by user
a
/
n 23185
Figure 7-1 Automatic Cell Wash Setup
Select valves and fittings with appropriate pressure ratings
Make the process connections as shown in Figure 7-1. Be sure that valves and fittings (S1) have
sufficient pressure ratings to withstand pressure peaks which will occur when process flow is
blocked.
Minimize liquid volume in system
Keep pipe sizes small and couplings close to minimize the liquid volume in the system. Smaller
volumes require less time to rinse.