Detectable elements and range:
Residual chlorine 0-10 mg/L
Residual chlorine 10-2000 mg/L
pH 6.2-8.4
Ammonia nitrogen 0-60 mg/L
Phosphate 0-2.5 mg/L
Iron 0-10 mg/L
Copper 0-10 mg/L
Total alkali 0-180 mg/L
