Electro-Chemical Devices (ECD) CA6 Hardness Analyzer - Manual (Page 77)

11.2 Extra Cycle
The EXTRA CYCLE is programmed as a BLANK but can be programmed as a CALIBRATION or VALIDATION
Cycle. The EXTRA CYCLE is not activated when shipped to activate the EXTRA CYCLE go to Program >
Settings > Cycles Ratio, see section 8.6.3. The programmed sequence for the Analysis Cycle is detailed in
the following table. This program assumes that the Sample is connected to the Left side of the selection
valve (Sample Port #1) and the Calibration solution or Deionized water is connected to the Right side of
the selection valve (Sample Port #2).
Step Seconds Function
1
5 DRAIN
2
10 RINSE #2
3
16 SAMPLE #2
4
5 DRAIN
5
16 SAMPLE #2
6
5 DRAIN
7
16 SAMPLE #2
8
5 DRAIN
9
10 SAMPLE #2
10
10 WAIT
11
2 REFERENCE
12
12 ADD REA #1
13
12 ADD REA #2
14
150 MIX
15
10 WAIT
16
1 ABSORBANCE
17
2 BLANK (Validation or Calibration)
18
0 WAIT
19
0 WAIT
20
5 DRAIN
21
16 SAMPLE #1
22
5 DRAIN
23
16 SAMPLE #1
24
5 DRAIN
25
13 SAMPLE #1
26
0 DRAIN
27
0 SAMPLE #1
28
0 WAIT
29
0 WAIT
30
10 WAIT (User adjustable time in seconds)
Step 30 is adjustable by the end user: go to PROGRAM >SETTINGS >Cycle Wait
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