| Width | 7,3 cm |
| Height | 3,9 cm |
| Length | 10,3 cm |
| Weight | 0,1 kg |
| Country of origin | EU |
| Customs tariff number | 38221900 |
DUROGNOST® SR 0 (0.1 / 0.05 °dH) limit value test kit
€19.16
Please log in to receive your conditions.
Payment methods
Request individual offer (from 5 pcs.)
For larger order quantities, we will be happy to prepare an individual offer for you.
(Login for quotation) The entered number of pieces will be taken into account when creating the quotation.
Delivery & Shipping
- Standard shipping: 3–5 business days within Germany
- Express shipping available on request
- International delivery to EU and Switzerland
- No shipment of Heyl products to Spain, France and Portugal
- Dangerous goods shipping according to ADR regulations
- 3% online discount on HEYL, HORIBA, JUMO and MILWAUKEE products
Personal consultation
Our experts will be happy to advise you on water treatment, measurement technology and sterile processing.
Technical consulting for industry, laboratory and building technology — your specialist for water analysis and process water treatment.
Contact formQuick info
| Measuring range: | 0,1 and 0,05 °dH |
| Application: | For the monitoring of softened water; Our product series DUROGNOST® is a limit value test for the determination of residual hardness in water. |
| Width | 7,3 cm |
| Height | 3,9 cm |
| Length | 10,3 cm |
| Weight | 0,1 kg |
| Country of origin | EU |
| Customs tariff number | 38221900 |
Product information "DUROGNOST® SR 0 (0.1 / 0.05 °dH) limit value test kit"
Durognost SR 0 (0.1/0.05 °dH) Threshold test kit for the rapid determination of residual hardness.
Threshold monitoring in the very low hardness rangeSpecial liquid indicator in a dropper bottle for monitoring the residual hardness of softened water, calibrated to the limit values of 0.1 and 0.05 °dH (1.79 and 0.89 ppm). Complete with measuring tubes and stoppers. Sufficient for approximately 250 analyses; the required measurement time is approx. 30 seconds.
Identification of the hardness range
When the indicator comes into contact with the water sample, it changes colour as soon as the specified limit values of 0.1 °dH or 0.05 °dH are reached or exceeded.
How should the reagent be used?
Please rinse the supplied measuring tube with the water sample. Then fill the measuring tube with the water sample up to the 5 ml or 10 ml mark. Add one drop of indicator and swirl the tube to dissolve it completely in the water sample. After a reaction time of approximately 30 seconds, the water sample will change colour.
Water sample changes colour:
Green = softened water is fine (within the defined range)
Red = Regenerate the water softener
Please read the supplied instructions for use before use.
