Walchem WebMaster - Page 24

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Operating Pressure (Optional flow switch)
Free Chlorine/Bromine
Range (W100, W600, W900)
Range (WDIS)
Range (WM1, WIND)
Resolution
0-2 mg/l
0-1.33 mg/l
0-0.8 mg/l
0.001 mg/l
0-20 mg/l
0-13.25 mg/l
0-8 mg/l
0.01 mg/l
0-200 mg/l
0-132.5 mg/l
0-80 mg/l
0.1 mg/l
Sensitivity
HOCl (100%)
HOBr (100%)
Ozone ClO
2
(900%)
Not for use with isocyanuric acid or stabilized bromine
Sample Flow rate
30 to 100 liters/hour (0.13 to 0.44 gal/min)
pH Range
6.8 – 8.0 (pH must be stable within ± 0.10)
Conductivity Range
Up to 4% NaCl
Response time
30 sec
Conditioning time
60 min
Free Chlorine/Bromine- Extended pH Range
Range (W100, W600, W900)
Range (WDIS)
Range (WM1, WIND)
Resolution
0-20 mg/l
0-12.5 mg/l
0-7.5 mg/l
0.01 mg/l
Sensitivity
HOCl (100%)
HOBr (100%)
Ozone
ClO
2
(100%)
HOCl with isocyanuric acid
Not for use with stabilized bromine
Sample Flow rate
30 to 100 liters/hour (0.13 to 0.44 gal/min)
pH Range
4.0 – 12.0
Conductivity Range
No Limit
Response time
2 min
Conditioning time
120 min