Service +49 (0)6184 93610

The measuring device is housed in a waterproof, robust casing. In addition to the dual display, the Duo Tester offers other attractive features:

  • Shatterproof casing
  • Battery charge indicator
  • Stability indicator
  • Automatic calibration
  • HOLD function to freeze a measured value on the display
  • pH meter and thermometer in one, fits in any pocket

The electrodes are excluded from the warranty. The warranty restriction is based on the fact that these are consumables.

12-month manufacturer's warranty

Do you have questions about pond supplies and technology?
We are available for you!
Monday to Friday: 9 a.m. to 5 p.m.

Please do not forget to order calibration solution No. 60636.  

Angaben zur Produktsicherheit:

Verantwortliche Person: Koi Discount GmbH, Jahnstr.10, 63505 Langenselbold

Email: info@koi-company.de

Free shipping on orders over €100

KOI Company Quality Promise

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86%

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14 August 2015 14:08

Star
Star
Star
Star
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Rated 5 out of 5 stars

Ekomi-Bewertung

sehr einfache Anwendung

29 May 2025 02:00

Star
Star
Star
Star
Star

Rated 5 out of 5 stars

Ekomi-Bwertung

Funktioniert Super

22 June 2015 14:06

Star
Star
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Star
Star

Rated 5 out of 5 stars

Ekomi-Bewertung

schnelle unkomplizierte PH Messung

19 April 2019 02:00

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Star
Star
Star
Star

Rated 5 out of 5 stars

Ekomi-Bewertung

Sehr zufrieden.

15 June 2021 07:17

Star
Star
Star
Star
Star

Rated 5 out of 5 stars

Ekomi-Bewertung

Macht einen Wertingen Eindruck.Die Bedienungsanleitung ist verständlich.

13 July 2018 02:00

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Rated 5 out of 5 stars

Ekomi-Bewertung

einfach zumessen . Supper

17 March 2013 08:03

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Rated 5 out of 5 stars

Ekomi-Bewertung

Sehr gut

4 August 2017 09:08

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Rated 5 out of 5 stars

Ekomi-Bewertung

Alles bestens!

22 April 2016 06:04

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Star
Star
Star
Star

Rated 5 out of 5 stars

Ekomi-Bewertung

Mein 2. Gerät dieser Serie. Wichtig, die Kalibrierflüssigkeit dazu bestellen.

4 May 2015 20:05

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Star
Star
Star
Star

Rated 5 out of 5 stars

Ekomi-Bewertung

Gute Qualität und genaue Messergebnise