Automatic hardness control
1 model in this family. Representative models: Testomat EVO TH.

International brand dossier
Testomat is the online analyzer family from Gebrüder Heyl / Heyl Analysis Technologies, best known for automatic hardness and water-quality monitoring in treatment facilities.It is important where softeners, RO pretreatment, cooling circuits, boilers, and drinking-water installations need continuous residual-hardness or limit-value supervision.
Testomat: hardness controller's position in instrumentation and sensors is defined by product families such as Automatic hardness control, The Testomat Family › Testomat 2000, The Testomat Family › Testomat 2000 DUO and The Testomat Family › Testomat 2000 CAL.
The portfolio is best understood inside online water-quality measurement, process control, chemical dosing feedback, plant monitoring, and safety interlocks, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.Representative series on this page include Testomat EVO TH, Testomat 2000 and Testomat 2000 DUO.
42
Indexed models
2
Product families
9
Subgroups
Product range and selection
This section answers two questions: which main product families Testomat: hardness controller offers, and which parameters to compare before choosing a specific model.
The main families shown on this page are Automatic hardness control and The Testomat Family. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.
After choosing a product family, compare measurement parameter, sample condition, signal integration, and maintenance frequency. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.
2 product familys on this page.
Automatic hardness control
1 model in this family. Representative models: Testomat EVO TH.
The Testomat Family
41 models in this family, organized across 9 subfamilies. Representative models: Testomat 2000, Testomat 2000 DUO, Testomat 2000 CAL.
Quick Model Index
The table is intentionally compact: use it to scan model names, product families, and source links quickly. Open the profile cards below when you want richer context.
1 indexed model
41 indexed models
| Model | Application | Sources |
|---|---|---|
| Testomat | The Testomat 808 SiO2 is a silica monitor designed for sterilization of hospitals, compliant with EN 285:2006. This instrument operates with a silica measuring range of 0. | |
| Testomat 808 | The Testomat 808 is a limit value monitoring device designed for water hardness control in applications such as reverse osmosis and pure water production. | |
| Testomat ECO | The Testomat ECO is an automatic water hardness analyzer for use in water treatment and drinking water plants. It offers a measuring range of 0. | |
| Testomat ECO C | The Testomat ECO C is an automatic titration instrument designed for determining carbonate hardness or acid capacity. | |
| Testomat EVO TH | The Testomat EVO TH is an automatic water hardness controller utilizing titration to determine hardness in various water treatment applications. | |
| Testomat 2000 | The Testomat 2000 is an automatic titrator used for determining water hardness, carbonate hardness, and p- or m-values in various water treatment applications. | |
| Testomat 2000 CN | The Testomat 2000 CN is an online water hardness analyzer designed for the Chinese market, featuring a Mandarin menu. It operates within a pressure range of 0. | |
| Testomat 2000 CAL | The Testomat 2000 CAL is a water quality controller designed for applications where instrument calibration is critical, such as in the pharmaceutical industry. | |
| Testomat 2000 V | The Testomat 2000 V is a control system for monitoring water hardness and carbonate hardness in blending water applications, such as cooling circuits and process water. | |
| Testomat 2000 self clean | The Testomat 2000 self-clean is a hardness controller designed for difficult water conditions, featuring an integrated dosing pump for cleaning agents. | |
| Testomat 2000 Antox | The Testomat 2000 Antox is a water quality controller designed for applications where oxidizing agents may cause measurement errors. | |
| Testomat 2000 DUO | The Testomat 2000® DUO is a special design of the Testomat 2000®. It can measure two different parameters simultaneously, such as two measuring ranges for water hardness. | |
| Testomat 2000 DUO CN | The Testomat 2000 DUO CN is a water quality monitoring instrument for treatment, blending, and drinking-water plants, featuring an operating menu in English or Mandarin. | |
| Testomat 2000 CLF | The Testomat 2000 CLF is a process-photometer designed for online monitoring of free chlorine in applications like drinking water, swimming pools. | |
| Testomat 2000 CLT | The Testomat 2000 CLT is a process-photometer designed for monitoring total or free chlorine in drinking water, swimming pools, and industrial applications. | |
| Testomat 2000 CLT self clean | The Testomat 2000 CLT self clean is a process photometer designed for disinfectant monitoring in drinking and process water, with applications in medical technology. | |
| Testomat 2000 CLO2 | This is a wet-chemical online process photometer designed for monitoring chlorine dioxide content in drinking and process water. It features a measurement range of 0–4. | |
| Testomat 2000 THCL | The Testomat 2000 THCL is a process photometer for measuring both chlorine and water hardness in a single unit. It operates with feed water pressures from 0. | |
| Testomat 2000 Br | The Testomat 2000 Br is a wet-chemical online instrument designed for monitoring bromine content and the dosing of disinfectants. | |
| Testomat 2000 CrVl | The Testomat 2000 CrVl is an online process photometer designed for monitoring chromate and hexavalent chromium in wastewater. It operates with mains water supply. | |
| Testomat 2000 Fe | The Testomat 2000 Fe is a wet-chemical online monitor for the photometric analysis of iron content. | |
| Testomat 2000 Polymer | The Testomat 2000 Polymer is a wet-chemical online monitor designed for the continuous measurement of polyacrylate content in cooling and heating circuits. | |
| Testomat 2000 PO4 | The Testomat 2000 PO4 is a wet-chemical online monitor designed for phosphate content analysis in process water, production water, and wastewater. | |
| Testomat 2000 SO3 | The Testomat 2000 SO3 is a wet-chemical online instrument that monitors sulphite content using the colorimetric method for boiler feed water. | |
| Titromat KH | The Titromat KH is an automatic controller designed for determining and monitoring carbonate hardness. | |
| Titromat M1 | The Titromat M1 is an automated controller for monitoring low carbonate hardness ranges in applications like boiler feed water corrosion monitoring and residual... | |
| Titromat M2 | The Titromat M2 is an automated controller for monitoring carbonate hardness in low measuring ranges. | |
| Titromat TH | The Titromat TH is an automated controller for monitoring carbonate hardness in drinking water and raw water applications. It features a measuring range of 2.5–50.0 °dH. | |
| Maintenance and service sets ECO | This is a maintenance and service set for Testomat ECO hardness controllers and other Testomat devices. It includes various O-rings, gaskets, fuses, sight glasses. | |
| Maintenance Instructions Testomat 2000 & ECO | These are maintenance instructions for the Testomat 2000® and Testomat ECO® hardness controllers. Regular maintenance is crucial for trouble-free operation. | |
| Maintenance Instructions Testomat 808 | This document provides maintenance and service instructions for the Testomat® 808 hardness controller. | |
| Maintenance Instructions Testomat 808 SiO2 | This document provides maintenance and service instructions for the Testomat 808 SiO2 water quality analyzer. It details required staff qualifications, safety information. | |
| Spares for Testomat 2000 & 808 | These are service cases and spare parts for Testomat 2000 and Testomat 808 hardness controllers. Available kits include various O-rings, gaskets, fuses, pump heads. |
Brand Technical Documents
These document pages collect product manuals, model notes, accessory documents, and application files for this brand in the current category. Open the PDF when original tables, diagrams, or full manuals are needed.
This is a maintenance and service set for Testomat ECO hardness controllers and other Testomat devices. It includes various O-rings, gaskets, fuses, sight glasses.
These are maintenance instructions for the Testomat 2000® and Testomat ECO® hardness controllers. Regular maintenance is crucial for trouble-free operation.
This document provides maintenance and service instructions for the Testomat® 808 hardness controller.
This document provides maintenance and service instructions for the Testomat 808 SiO2 water quality analyzer. It details required staff qualifications, safety information.
These are service cases and spare parts for Testomat 2000 and Testomat 808 hardness controllers. Available kits include various O-rings, gaskets, fuses, pump heads.
The Testomat 808 SiO2 is a silica monitor designed for sterilization of hospitals, compliant with EN 285:2006. This instrument operates with a silica measuring range of 0.
The Testomat 2000 is an online analysis unit for water treatment applications, designed to automatically determine residual total hardness, carbonate hardness.
The Testomat 2000 is an automatic titrator used for determining water hardness, carbonate hardness, and p- or m-values in various water treatment applications.
The Testomat 2000 Antox is a water quality controller designed for applications where oxidizing agents may cause measurement errors.
The Testomat 2000 Br is a wet-chemical online instrument designed for monitoring bromine content and the dosing of disinfectants.
The Testomat 2000 CAL is an online analysis unit designed to measure and monitor water hardness and other water quality parameters in various water treatment applications.
The Testomat 2000 CAL is a water quality controller designed for applications where instrument calibration is critical, such as in the pharmaceutical industry.
The Testomat 2000 CLF is a process photometer designed for online analysis of free chlorine using the DPD method. It operates within a pressure range of 0.
The Testomat 2000 CLF is a process-photometer designed for online monitoring of free chlorine in applications like drinking water, swimming pools.
This is a wet-chemical online process photometer designed for monitoring chlorine dioxide content in drinking and process water. It features a measurement range of 0–4.
The Testomat 2000 CLT is a self-cleaning process photometer designed for online monitoring of total chlorine in drinking water applications.
The Testomat 2000 CLT is a process-photometer designed for monitoring total or free chlorine in drinking water, swimming pools, and industrial applications.
The Testomat 2000 CLT self clean is a process photometer designed for disinfectant monitoring in drinking and process water, with applications in medical technology.
The Testomat 2000 CN is an online water hardness analyzer designed for the Chinese market, featuring a Mandarin menu. It operates within a pressure range of 0.
The Testomat 2000 CrVl is an online process photometer designed for monitoring chromate and hexavalent chromium in wastewater. It operates with mains water supply.
The Testomat 2000 DUO is an online analysis instrument capable of monitoring residual total hardness, carbonate hardness.
The Testomat 2000® DUO is a special design of the Testomat 2000®. It can measure two different parameters simultaneously, such as two measuring ranges for water hardness.
The Testomat 2000 DUO CN is a water quality monitoring instrument for treatment, blending, and drinking-water plants, featuring an operating menu in English or Mandarin.
The Testomat 2000 Fe is a wet-chemical online monitor for the photometric analysis of iron content.
The Testomat 2000 Fe is a process photometer designed for the colorimetric analysis of dissolved iron (II)+(III) in applications like de-ironing plants or process and...
The Testomat 2000 PO4 is a wet-chemical online monitor designed for phosphate content analysis in process water, production water, and wastewater.
The Testomat 2000 Polymer is a wet-chemical online monitor designed for the continuous measurement of polyacrylate content in cooling and heating circuits.
The Testomat 2000 self-clean is a hardness controller designed for difficult water conditions, featuring an integrated dosing pump for cleaning agents.
The Testomat 2000 SO3 is a wet-chemical online instrument that monitors sulphite content using the colorimetric method for boiler feed water.
The Testomat 2000 THCl is a process photometer and titrator for monitoring total chlorine and water hardness. It operates within a pH range of 4 to 10.
The Testomat 2000 THCL is a process photometer for measuring both chlorine and water hardness in a single unit. It operates with feed water pressures from 0.
The Testomat 2000 V is a control system for monitoring water hardness and carbonate hardness in blending water applications, such as cooling circuits and process water.
The Testomat 808 is a limit value monitoring device designed for water hardness control in applications such as reverse osmosis and pure water production.
Testomat Eco is an online analysis instrument designed for automatic determination and monitoring of residual total hardness in water. It offers menu-driven operation.
The Testomat ECO is an automatic water hardness analyzer for use in water treatment and drinking water plants. It offers a measuring range of 0.
The Testomat ECO C is an automatic titration instrument designed for determining carbonate hardness or acid capacity.
The Testomat EVO TH is an online analysis instrument for automatic determination and monitoring of residual total hardness in water.
The Testomat EVO TH is an automatic water hardness controller utilizing titration to determine hardness in various water treatment applications.
The Titromat KH is an automatic controller designed for determining and monitoring carbonate hardness.
The Titromat M1 is an automated controller for monitoring low carbonate hardness ranges in applications like boiler feed water corrosion monitoring and residual...
The Titromat M2 is an automated controller for monitoring carbonate hardness in low measuring ranges.
The Titromat TH is an automated controller for monitoring carbonate hardness in drinking water and raw water applications. It features a measuring range of 2.5–50.0 °dH.
AI-ready Product Profiles
These cards are designed as reusable product profiles: the same format can later appear in AI search results, shortlist views, and assisted product matching.
1 profile card
Product profile
The Testomat EVO TH is an online analysis instrument for automatic determination and monitoring of residual total hardness in water.
41 profile cards
Product profile
The Testomat 808 SiO2 is a silica monitor designed for sterilization of hospitals, compliant with EN 285:2006. This instrument operates with a silica measuring range of 0.
Product profile
The Testomat 808 is a limit value monitoring device designed for water hardness control in applications such as reverse osmosis and pure water production.
Product profile
The Testomat ECO is an automatic water hardness analyzer for use in water treatment and drinking water plants. It offers a measuring range of 0.
Product profile
The Testomat ECO C is an automatic titration instrument designed for determining carbonate hardness or acid capacity.
Product profile
The Testomat EVO TH is an automatic water hardness controller utilizing titration to determine hardness in various water treatment applications.
Product profile
The Testomat 2000 is an automatic titrator used for determining water hardness, carbonate hardness, and p- or m-values in various water treatment applications.
Product profile
The Testomat 2000 CN is an online water hardness analyzer designed for the Chinese market, featuring a Mandarin menu. It operates within a pressure range of 0.
Product profile
The Testomat 2000 CAL is a water quality controller designed for applications where instrument calibration is critical, such as in the pharmaceutical industry.
Product profile
The Testomat 2000 V is a control system for monitoring water hardness and carbonate hardness in blending water applications, such as cooling circuits and process water.
Product profile
The Testomat 2000 self-clean is a hardness controller designed for difficult water conditions, featuring an integrated dosing pump for cleaning agents.
Product profile
The Testomat 2000 Antox is a water quality controller designed for applications where oxidizing agents may cause measurement errors.
Product profile
The Testomat 2000® DUO is a special design of the Testomat 2000®. It can measure two different parameters simultaneously, such as two measuring ranges for water hardness.
Product profile
The Testomat 2000 DUO CN is a water quality monitoring instrument for treatment, blending, and drinking-water plants, featuring an operating menu in English or Mandarin.
Product profile
The Testomat 2000 CLF is a process-photometer designed for online monitoring of free chlorine in applications like drinking water, swimming pools.
Product profile
The Testomat 2000 CLT is a process-photometer designed for monitoring total or free chlorine in drinking water, swimming pools, and industrial applications.
Product profile
The Testomat 2000 CLT self clean is a process photometer designed for disinfectant monitoring in drinking and process water, with applications in medical technology.
Product profile
This is a wet-chemical online process photometer designed for monitoring chlorine dioxide content in drinking and process water. It features a measurement range of 0–4.
Product profile
The Testomat 2000 THCL is a process photometer for measuring both chlorine and water hardness in a single unit. It operates with feed water pressures from 0.
Product profile
The Testomat 2000 Br is a wet-chemical online instrument designed for monitoring bromine content and the dosing of disinfectants.
Product profile
The Testomat 2000 CrVl is an online process photometer designed for monitoring chromate and hexavalent chromium in wastewater. It operates with mains water supply.
Product profile
The Testomat 2000 Fe is a wet-chemical online monitor for the photometric analysis of iron content.
Product profile
The Testomat 2000 Polymer is a wet-chemical online monitor designed for the continuous measurement of polyacrylate content in cooling and heating circuits.
Product profile
The Testomat 2000 PO4 is a wet-chemical online monitor designed for phosphate content analysis in process water, production water, and wastewater.
Product profile
The Testomat 2000 SO3 is a wet-chemical online instrument that monitors sulphite content using the colorimetric method for boiler feed water.
Product profile
The Titromat KH is an automatic controller designed for determining and monitoring carbonate hardness.
Product profile
The Titromat M1 is an automated controller for monitoring low carbonate hardness ranges in applications like boiler feed water corrosion monitoring and residual...
Product profile
The Titromat M2 is an automated controller for monitoring carbonate hardness in low measuring ranges.
Product profile
The Titromat TH is an automated controller for monitoring carbonate hardness in drinking water and raw water applications. It features a measuring range of 2.5–50.0 °dH.
Product profile
This is a maintenance and service set for Testomat ECO hardness controllers and other Testomat devices. It includes various O-rings, gaskets, fuses, sight glasses.
Product profile
These are maintenance instructions for the Testomat 2000® and Testomat ECO® hardness controllers. Regular maintenance is crucial for trouble-free operation.
Product profile
This document provides maintenance and service instructions for the Testomat® 808 hardness controller.
Product profile
This document provides maintenance and service instructions for the Testomat 808 SiO2 water quality analyzer. It details required staff qualifications, safety information.
Product profile
These are service cases and spare parts for Testomat 2000 and Testomat 808 hardness controllers. Available kits include various O-rings, gaskets, fuses, pump heads.
Product profile
The Testomat 2000 is an online analysis unit for water treatment applications, designed to automatically determine residual total hardness, carbonate hardness.
Product profile
The Testomat 2000 CAL is an online analysis unit designed to measure and monitor water hardness and other water quality parameters in various water treatment applications.
Product profile
The Testomat 2000 CLF is a process photometer designed for online analysis of free chlorine using the DPD method. It operates within a pressure range of 0.
Product profile
The Testomat 2000 CLT is a self-cleaning process photometer designed for online monitoring of total chlorine in drinking water applications.
Product profile
The Testomat 2000 DUO is an online analysis instrument capable of monitoring residual total hardness, carbonate hardness.
Product profile
The Testomat 2000 Fe is a process photometer designed for the colorimetric analysis of dissolved iron (II)+(III) in applications like de-ironing plants or process and...
Product profile
The Testomat 2000 THCl is a process photometer and titrator for monitoring total chlorine and water hardness. It operates within a pH range of 4 to 10.
Product profile
Testomat Eco is an online analysis instrument designed for automatic determination and monitoring of residual total hardness in water. It offers menu-driven operation.