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Develops and produces measuring and control devices for water analysis as well as indicators and reagents.

GE

Gebr. Heyl Analysentechnik GmbH & Co. KG

Hildesheim · Chicago (sales company Heyl Brothers North America L.P.)New on Amplifa

1958Founded
50Employees
2Locations (Hildesheim, Chicago)
over 20 parametersMeasurement range of the Testomat® product line

About Gebr. Heyl Analysentechnik

Gebr. Heyl Analysentechnik GmbH & Co. KG is a family-owned company based in Hildesheim that has existed since 1958. Originally founded as a manufacturer of chemical-pharmaceutical products, the company specialized in industrial water treatment and water analysis. With around 50 employees, it develops and produces measuring and control devices for water analysis, including the Testomat® product line, which measures more than 20 parameters such as water hardness, carbonate hardness, free chlorine and chlorine dioxide. In addition to the online analysis instruments, the chemical department produces matching indicators and reagents; the portfolio also includes test kits for manual analyses such as rapid titration test kits and colorimetric test kits. The company also offers contract development and contract manufacturing of custom water analysis instruments as well as service, maintenance and training. The instruments are used, among other applications, in drinking water production, in swimming pools, in the food and beverage industry, and in industrial cooling and heating circuits.

Site
Hildesheim
Processes
Custom contract development and contract manufacturing of water analysis instruments, Production of indicators and reagents for water analysis, Online monitoring of water quality (process photometers and titration instruments), Chlorine monitoring with process photometer (Testomat® Pro CLT/CLF), Contract development, Contract manufacturing, custom water analysis instruments, Production of indicators and reagents
Materials
Testomat® device family, Testomat® Pro CLT / CLF, Durognost® test kits, Indicators and reagents
Founded
1958
Employees
50
Industries
Drinking water production, Swimming pools, Food and beverage industry, Chemical industry, Pharmaceutical industry, Pulp and paper industry
  1. 01

    Contract development

  2. 02

    Production of the analysis instruments

  3. 03

    Manufacturing of indicators and reagents

  4. 04

    Assembly in Hildesheim

  5. 05

    Service, maintenance and training

Chemistry, Reagents and Test Kits

TESTOMAT

Testomat® device family

Online analysis instruments for continuous monitoring of parameters such as water and carbonate hardness, chlorine, chlorine dioxide, phosphate, sulfite and chromium VI.

PRO-CLT

Testomat® Pro CLT / CLF

Process photometer for chlorine monitoring in the range 0.00 to 2.5 ppm, with optional SelfClean pump.

DUROGNOST

Durognost® test kits

In-house test kit for determining water hardness for manual analyses without laboratory equipment.

REAG

Indicators and reagents

Consumables produced in the company's own chemical department for the analysis instruments.

Locations

Hildesheim

DE

Headquarters, development and production

Materials
Indicators and reagents

Chicago

US

Sales company (Heyl Brothers North America L.P.)

Industries

Drinking water productionSwimming poolsFood and beverage industryChemical industryPharmaceutical industryPulp and paper industrySteam generation/power plant engineeringHospitals/central sterilizationDialysis centersLaundriesBuilding materials industryCooling and heating circuitsFood and beverage industry (breweries, dairies)BakeriesMeat processingIndustrial cooling and heating circuits

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Testing–––––
Custom contract development and contract manufacturing of water analysis instrumentsEngineering–––––
Production of indicators and reagents for water analysisEngineering–––––
Online monitoring of water quality (process photometers and titration instruments)Testing–––––
Testing–––––
Chlorine monitoring with process photometer (Testomat® Pro CLT/CLF)Testing–––––

Additional services

Contract developmentContract manufacturingcustom water analysis instrumentsProduction of indicators and reagentsService & maintenanceTraining

Company History

  1. 1958

    Founded as a manufacturer of chemical-pharmaceutical products in Hildesheim by the Heyl brothers.

  2. Development of the in-house Durognost® test kit for water hardness determination.

  3. Development of the Testomat® instruments in cooperation with a local company; Testomat® becomes the core product and is produced in Hildesheim.

  4. 2024

    Participation in international leading trade fairs; representation at American exhibitions through Heyl Brothers North America L.P.

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