
Total hardness
-
CALDUR® Residual hardness RG 10 – Limit value
Residual hardness limit value determination in the water (limit value: 0.1 °dH) -
CALDUR® Residual hardness RG 10 F – Limit value
Residual hardness limit value determination in the water (limit value: 0.1 °fH) -
CALDUR® Residual hardness RG 5 – Limit value
Residual hardness limit value determination in the water (limit value: 0.05 °dH) -
CALDUR® Residual hardness RG 50 – Limit value
Residual hardness limit value determination in the water (limit value: 0.5 °dH) -
CALDUR® Total hardness GH – Titration
Total hardness determination in water by titration (0.5 / 0.25 °dH per drop) -
CALDUR® Total hardness GH 100 – Titration
Total hardness determination in water by titration (1.0 / 0.5 °dH per drop) -
CALDUR® Total hardness GHT 100 – Titration
Total hardness determination in water by titration (1.0 / 0.5 °dH per drop) -
CALDUR® Total hardness GR – Titration
Total hardness determination in water by titration (0.1 / 0.05 °dH per drop) -
CALDUR® Total hardness – Scientific
Determination of total hardness in water by spray titration
Which instrument suits your application?
Tell us the parameter, measuring range and place of use – for example residual hardness after softening in the boiler house. We will recommend the right analyser or test kit and the matching accessories.
Made in GermanyISO 9001 (TÜV NORD)Experience since 1975personal advice








