Analysis systems


DUROVAL® A Test kit for the determination of water hardness across all hardness ranges via complexometric titration with a liquid titration agent and a pipette, accurately calibrated in hardness unit ...
Duroval A

Online-Analysis instruments

Testomat 2000®

The Testomat 2000® automatically determines water hardness, carbonate hardness, the p-value or the minus m-value via titration. It is ideal for monitoring the water quality of water treatment, water ...


Ozone-Generator TOGC8 XIS

Compact ozone system TOGC8 XIS. The ozone systems are completely assembled, ready for connection and operation.

Process measuring instruments



Softmaster® ROE 1

Controlling device Softmaster® ROE 1 for the automated operation of reverse-osmosis systems.


A27-LCD Aqua UVtron for the disinfection of drinking water up to 38°C DVGW / ÖVGW-certified




IFAT 2016 - Review

22.06.2016 11:22:12
From 30 May to 2 June it was time again. The experts for water, waste water and raw materials management met at the IFAT 2016. With 138,000 visitors from around the world this leading fair continued its successful performance in the fiftieth year, in particular the proportion of international visitors increased. We also draw a positive balance an ...

The New Catalogues are available !

03.06.2016 08:19:54
In order to implement customer requirements successfully, we are constantly expanding our product range. The current total overviews of the HEYL and NEOMERIS portfolio are created and can easily be requested. Send an e-mail to and you get your own copy. Of course, the catalogues are also available for download. [download ...

WINNER GreenTech Award 2015! – SEMIZENTRAL Germany - Infrastructure Solutions for the Future Cities ./. second-place winner at the German Sustainability Award

04.06.2015 08:42:06
The German-Chinese research project at the Institute SEMIZENTRAL IWAR of Technical University of Darmstadt (TU Darmstadt) won in the category "Urbanization", one of the most desired environmental and business awards in Europe. More information: World-wide first semicentralized supply and treatment center opened in Qingdao   &nb ...
11411963_1042807012411183_5394983783713396833_o (1) (2)

New online hardness instruments - First opening in Asia

02.07.2015 12:25:04
Bangkok, 02. Juli 2015 Today Mr. A. Kala, Brasten Group, Thailand and Mr. M. Osterwald, Heyl, Germany attended the first official opening for the new analyzer generation of our Heyl Group, Germany in Bangkok, Thailand. Traditionelly the Heyl-Company started the new analyzer generation with the parameter Total Hardness (TH). The official sa ...

Produkt-Neuheiten Im Überblick

automatico big 2016

Cooler Automatic up to 120 °C

The Cooler is used for manual sampling of water samples up to 80°C that must be cooled down to ambient temperature for analytic proposals. ...
big manuale 2016

Cooler Manual up to 120° C

The Cooler is used for manual sampling of water samples up to 120°C that must be cooled down to ambient temperature for analytic proposals. ...
Testomat_2000_1 (2)

Testomat 2000® P04

The process photometer Testomat 2000® Phosphate is a robust wet-chemical online monitor for monitoring the phosphate content from 0 to 10 mg/l (ppm) ...

Testomat ECO® C

Testomat ECO® C is ideal the automatic determination and monitoring of residual total hardness (Carbonate hardness) in water. In combination with a m ...

Testomat® EVO TH

Testomat® EVO TH determines water hardness (residual total hardness) fully automatically via Titration. It is ideal for monitoring the water quality ...

Produkt-Aktion / 10.2016


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