model

Range（CaCO3）

hardness

Analyzable frequency

Analysis Time

Durognost@Ι

0-2mg/l，0-0.02mmol/l

Low hardness rapid detection

about700

about30second

Durognost@Sr0

2mg/l，0.02mmol/l

1mg/l，0.01mmol/l

Rapid detection of softened water hardness

about250

about30second

Durognost@SR

9mg/l，0.09mmol/l

5mg/l，0.05mmol/l

Rapid detection of softened water hardness

about250

about30second

Durognost@Sr1

18mg/l，0.18mmol/l

9mg/l，0.09mmol/l

Rapid detection of softened water hardness

about250

about30second

Durognost@Special buffer solution

Strong alkaline water sample buffer solution

about200

about30second