Our telephone system is currently out of service due to line work. You can reach us by e-mail at info@rls-wacon.de or by calling +49 (0)151/1054 1979 --- Our telephone system is currently out of service due to line work. You can reach us by e-mail at info@rls-wacon.de or by calling +49 (0)151/1054 1979 --- Our telephone system is currently out of service due to line work. You can reach us by e-mail at info@rls-wacon.de or by calling +49 (0)151/1054 1979 ---
Water analysis

CALDUR®

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.

CALDUR®registered brand
seit 1975in-house production
Made in DEHildesheim
ISO 9001certified
Manual water analysis

Fast, reliable analysis – directly on site.

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.

CALDUR test sets with color charts for various methods
manual determination

CALDUR® test sets

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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Manual water analysis in the lab with CALDUR
the right method

By analysis method

Organized by titration, colorimetric, photometric and limit-value method – so you quickly find the right test set for your application.

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Handheld meter / photometer for water analysis
measure electronically

Handheld meters

Mobile, electronic measurement of parameters such as pH value and conductivity directly on site – incl. pH meters and photometers.

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CALDUR Scientific test set for precise titration
highest precision

CALDUR® Scientific

Particularly precise, titrimetric determination for demanding applications in the lab and process control.

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All parameters at a glance

Which test set for which parameter?

Over 60 test sets for 29 parameters in five methods. Filter by analysis method and application – and jump straight to the matching product.

Analysis method
Show all
Limit value
Yes/no with one drop
Titration
Drops until color change
Scientific
Syringe, also intermediate values
Colorimetric
Color comparison with chart
Photometric
WINLAB Data Line Photometer
Application
Drinking water
Boiler feed water
Pool & spa
Industrial water
Aquariums
Pond & lake
Well water
Food
Waste water
All parameters · 29 entries Click a dot to open the product
Parameter Limit value Titration Scientific Colorimetric Photometric
Limit value
Titration
Scientific
Colorimetric
Photometric
All CALDUR® test sets in the shopOver 60 test sets for 29 parameters – with all variants and pack sizes.
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Our capabilities

From idea to product – all from a single source.

Development, formulations, packaging and testing have all taken place at one site in Hildesheim since 1975.

Development

In-house team for reagents and measurement methods.

Reagents

CALDUR® reagents and formulations produced in-house.

Assembly

Filling and assembly of the test sets in-house.

Quality control

Every batch is tested before delivery.

Contact request

Get in touch with us.

We'll respond within 24 hours on business days – no obligation.

Contact us All test sets