Manual water analysis – test sets, test strips and handheld meters for fast, reliable determination of numerous water parameters directly on site. Developed and made in Germany.
Manual analysis comprises CALDUR® test sets, test strips and handheld meters for fast on-site determination of numerous water parameters – simple, reliable and without lab effort.

Registered brand of RLS Wacon analytics GmbH: test sets for the manual determination of water constituents – for nearly every relevant parameter.
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Organized by titration, colorimetric, photometric and limit-value method – so you quickly find the right test set for your application.
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Mobile, electronic measurement of parameters such as pH value and conductivity directly on site – incl. pH meters and photometers.
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Particularly precise, titrimetric determination for demanding applications in the lab and process control.
View CALDUR® ScientificOver 60 test sets for 29 parameters in five methods. Filter by analysis method and application – and jump straight to the matching product.
| Parameter | Limit value | Titration | Scientific | Colorimetric | Photometric |
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Development, formulations, packaging and testing have all taken place at one site in Hildesheim since 1975.
In-house team for reagents and measurement methods.
CALDUR® reagents and formulations produced in-house.
Filling and assembly of the test sets in-house.
Every batch is tested before delivery.
We'll respond within 24 hours on business days – no obligation.
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