What are the differences between the various types of Hach test kits?

Dokument-ID

Dokument-ID TE6463

Veröffentlichungsdatum

Veröffentlichungsdatum 16.08.2018
Frage
What are the differences between the various types of Hach test kits?
Zusammenfassung
Choosing the right test kit
Antwort
Test strips are very inexpensive. They are semi-quantitative.

Color wheel tests are can be moderately inexpensive, depending on the test. The measurement accuracy is ± 1/2 step (out of 5 steps).

Drop count titration tests are inexpensive. The measurement accuracy is ± 1 drop (tests typically use 10-20 drops).

Digital titration tests are more expensive. The measurement accuracy is ± 1% or ± 1 digit.

Instrument- based tests are more expensive. The measurement accuracy is ± 2%.

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