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

Ho so thuong hieu quoc te
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
Dong san pham va huong dan lua chon
Phan nay tra loi hai cau hoi: Testomat: hardness controller co nhung dong san pham chinh nao, va can so sanh nhung thong so nao truoc khi chon model cu the.
Cac dong san pham chinh tren trang nay gom Automatic hardness control and The Testomat Family. Hay chon dong phu hop voi muc tieu xu ly, dang thiet bi va dieu kien van hanh truoc, sau do dung chi muc model ben duoi de so sanh thong so cu the.
Sau khi chon dong san pham, hay so sanh measurement parameter, sample condition, signal integration, and maintenance frequency. Du an thay the cung phai kiem tra dieu kien lap dat, giao dien va kha nang tuong thich voi he thong hien huu; du an moi can xem them cach van hanh, bao tri va nguon phu tung hoac vat tu.
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
Search models, families, applications, or parameters; compare 2–4 candidates, save or export the shortlist, and open it on another device by link or QR code.
Showing 42 of 42 models
Select 2–4 models to compare. Your shortlist is saved on this device and can travel by link or QR code.
Testomat EVO TH
Automatic hardness control
Cable duct clamping range: 4.5 mm – 10 mm external diameter · Ambient temperature: 10 to 40°C · Material flammability rating: V1 or better
The Testomat EVO TH is an online analysis instrument for automatic determination and monitoring of residual total hardness in water.
Testomat 2000
The Testomat Family › Testomat 2000
The terminal block connections are: PE (Protective earth conductor), N (Neutral conductor), L (Phase). For consumers, switched neutral (n) and switched phase (l) are available (max. 4 A) · Water Pressure: 0.3 bar to 8 bar. Avoid strong pressure fluctuations · Water Temperature: 10 °C to 40 °C. For temperatures above 40 °C, a cooler is recommended
The Testomat 2000 is an online analysis unit for water treatment applications, designed to automatically determine residual total hardness, carbonate hardness.
Testomat 2000 DUO
The Testomat Family › Testomat 2000 DUO
Standard inlet connection: Plug connector for plastic hoses 6/4 x 1 (external diameter 6 mm / internal diameter 4 mm, wall thickness 1 mm) · Water outlet connection: Opaque outlet hose (internal diameter 14 mm) · Water Pressure: 0.3 to 8 bar (instrument is factory set for 1 to 8 bar; flow controller valve body must be removed for 0.3 to 1 bar range). Avoid strong pressure fluctuations
The Testomat 2000 DUO is an online analysis instrument capable of monitoring residual total hardness, carbonate hardness.
Testomat 2000 CAL
The Testomat Family › Testomat 2000 CAL
Water Pressure: 0.3 bar to 8 bar. Avoid strong pressure fluctuations · Measuring Water Temperature: 10 °C to 40 °C. For temperatures above 40 °C, a KCN type cooler should be installed · Terminals 28-29 (Analog/Serial Output): For 0/4-20 mA or RS232 interface
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.
Testomat Eco
The Testomat Family › Testomat Eco
Water Inlet Connection: Standard for plastic hoses 6/4 x 1 (6 mm OD / 4 mm ID, 1 mm wall thickness). Maximum hose length: 5 m · Water Outlet Connection: For outlet hose with 12 mm internal diameter · Operating Pressure: 0.3 to 8 bar (factory setting). Can be adjusted to 0.3 to 1 bar by modifying the flow controller
Testomat Eco is an online analysis instrument designed for automatic determination and monitoring of residual total hardness in water. It offers menu-driven operation.
Testomat 2000 CLT
The Testomat Family › Testomat 2000 CLT
Total Chlorine Measurement Range: 0 – 2.5 ppm (or mg/l) · Water Inlet Connection: Standard plug connector for plastic hoses 6/4 x 1 (external diameter 6 mm / internal diameter 4 mm) · Operating Pressure: 0.3 to 8 bar (factory setting), adjustable to 0.3 to 1 bar by removing flow controller valve body
The Testomat 2000 CLT is a self-cleaning process photometer designed for online monitoring of total chlorine in drinking water applications.
Testomat 2000 CLF
The Testomat Family › Testomat 2000 CLF
Total Chlorine Measuring Range: 0 – 2.5 ppm · Free Chlorine Measuring Range: 0 – 2.5 ppm · Operating Pressure Range: 0.3 to 8 bar (with flow controller valve body removed for 0.3 to 1 bar range)
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.
Testomat 2000 THCL
The Testomat Family › Testomat 2000 THCL
pH range: 4 - 10.5 · Hose connection (standard): Opaque plastic hoses 6/4 x 1 (external diameter 6 mm/internal diameter 4 mm) · Hose connection: Internal diameter 14 mm
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.
Testomat 2000 FE
The Testomat Family › Testomat 2000 FE
Pressure range: 0.3 to 8 bar (factory setting). Can be adjusted for 0.3 to 1 bar by removing the flow controller valve body · pH range: 4 – 10.5 · Measurement range: 0 – 1.0 mg/l dissolved iron (II)+(III)
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...
Testomat
The Testomat Family › Application
Measuring range (Silica SiO₂): 0.3 - 1.2 ppm · Power supply: Depending on product configuration: 24V / 115V / 230V, 50 – 60 Hz · Ambient temperature: 10 – 40 °C (50 - 104°F)
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 Family › Application
Power supply: Depending on product configuration: 24V / 115V / 230V, 50 – 60 Hz · Water hardness: 0.02 – 3 °dH (0.4….54 ppm CaCO₃) · Mains protection for consumers: max. 4 A (n, l)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (50–60 Hz) · Carbonate hardness: 0.5–10.0 °dH / 0.18–3.58 mmol/l · Acid capacity: 1.0–20.0 °dH / 0.30–7.16 mmol/l
The Testomat ECO C is an automatic titration instrument designed for determining carbonate hardness or acid capacity.
Testomat EVO TH
The Testomat Family › Application
Measuring range: 0.05-25 °dH water hardness (depending on indicator choice) · Power supply: 230 VAC, 24 VAC (50–60Hz) or multi-voltage power supply unit 100-240 VAC / 100-353 VDC · Ambient temperature: 10–40 °C (50 - 104°F)
The Testomat EVO TH is an automatic water hardness controller utilizing titration to determine hardness in various water treatment applications.
Testomat 2000
The Testomat Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC, all 50–60 Hz · Water hardness: 0.05-25 °dH · Carbonate hardness: 0.5-20 °dH
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 Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · Water hardness: 0.05–25 °dH · Carbonate hardness: 0.5–20 °dH
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC all 50–60Hz · Ambient temperature: 10–45 °C, 50 - 104°F · Water temperature: 10 to 40 °C; 50 to 104°F
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC, all 50–60 Hz · Water hardness: 0.05-25 °dH · Carbonate hardness: 0.5-20 °dH
The Testomat 2000 Antox is a water quality controller designed for applications where oxidizing agents may cause measurement errors.
Testomat 2000 DUO
The Testomat Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · Operating pressure: 1 to 8 bar (15 to 116 psi) or 0.3 to 1 bar (5 to 15 psi) after removing the valve body from the regulator/filter housing · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Water hardness: 0.05–25 °dH · Carbonate hardness: 0.5–20 °dH
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (50–60 Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Power consumption: max. 30 VA · Degree of protection: IP 65
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
The Testomat Family › Application
Chlorine Dioxide (ClO₂) measurement range: 0–4.7 mg/l (ppm) · Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · Ambient temperature: 10–45 °C (50 - 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · Operating pressure: 1 to 8 bar (15 to 116 psi) or 0.3 to 1 bar (5 to 15 psi) after removing the valve body from the regulator/filter housing · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Bromine (Br₂) range: 0–5.6 mg/l (ppm) · Power supply: 230–240 VAC, 115 VAC, 24 VAC all 50–60Hz · Ambient temperature: 10–45 °C (50 - 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
The Testomat 2000 Fe is a wet-chemical online monitor for the photometric analysis of iron content.
Testomat 2000 Polymer
The Testomat Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Ambient temperature: 10–45 °C (50 - 104°F) · Water temperature: 10 to 40 °C (50 to 104°F)
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 Family › Application
Measuring range: 0.0-10.0 mg/l · Accuracy: < 10% at end of measuring range · Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz)
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 Family › Application
Sulphite: 0.0 - 9.9 mg/l and 10 - 20 mg/l · Supply Voltage: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz) · Power Consumption: max. 30 VA
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 Testomat Family › Application
Power Supply: 230–240 VAC, 115 VAC, or 24 VAC (all 50–60 Hz) · Power Consumption: max. 30 VA · Degree of Protection: IP 65
The Titromat KH is an automatic controller designed for determining and monitoring carbonate hardness.
Titromat M1
The Testomat Family › Application
Power supply: 230–240 VAC, 115 VAC, or 24 VAC (all 50–60Hz) · 0.05 - 1.00 °dH (resolution: 0.025 °dH) · 0.09 - 1.80 °f (resolution: 0.045 °f)
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 Testomat Family › Application
Weight: ca. 9.5 kg · Water temperature: 10 to 40 °C · Supply voltage: 230–240 VAC, 115 VAC, 24 VAC (all 50–60Hz)
The Titromat M2 is an automated controller for monitoring carbonate hardness in low measuring ranges.
Titromat TH
The Testomat Family › Application
Power supply: 230–240 VAC, 115 VAC, 24 VAC (all 50–60 Hz) · 2.5–50.0 °dH (resolution: 2.5) · Power consumption: max. 30 VA
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
The Testomat Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
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
The Testomat Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
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
The Testomat Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
This document provides maintenance and service instructions for the Testomat® 808 hardness controller.
Maintenance Instructions Testomat 808 SiO2
The Testomat Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
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
The Testomat Family › Application
Selection cues: measuring range · accuracy · output signal and process connection
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 Products & Technical Documents
Each card keeps the curated model introduction and combines the readable datasheet page, OEM PDF, and official source. Product understanding and document access now share one card set.
1 product profile
Product profile
The Testomat EVO TH is an online analysis instrument for automatic determination and monitoring of residual total hardness in water.
41 product profiles
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.