Total hardness is defined as the sum of all alkaline earth ions; these are mainly calcium and magnesium. In solution, these are "paired" with chlorides, sulfates, carbonates and other anions.
The best-known and most accurate determination method for total hardness is complexometric titration with an aqueous solution of the disodium salt of ethylenediaminetetraacetic acid (EDTA, trade name: Titriplex III) at a known concentration. EDTA forms soluble, stable chelate complexes with the hardness components Ca2+ and Mg2+. To the water sample to be analyzed, 25% ammonia solution, a pH 11 buffer (ammonia-ammonium acetate) and the indicator Eriochrome Black-T are added.
The indicator forms a red colored complex with the Ca2+ and Mg2+. If these ions are bound by the EDTA at the end of the titration, the Eriochromschwarz-T is present freely and is colored green. The total hardness is calculated from the consumed ml of EDTA solution. This allows a highly accurate ACTUAL value analysis.
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The Testomat® LAB TH devices determines the water hardness (residual total hardness) fully automatically by use of titration and has been developed for monitoring the water quality of water treatment plants, drinking water plants, industrial boilers and for monitoring process water, here in a package for monitoring two measuring points. In view of the fact that the Testomat® LAB TH total water hardness analysers were developed for use in multi-parameter systems or for connection to a higher-level control system, we hereby offer you both Testomat® LAB TH analysis devices in combination with the NeoTecMaster®, which was specially developed by our company, as a complete solution at a preferential price. The 4-channel NeoTecMaster® multi-parameter controller included in this package enables the processing of up to four measurement signals in this version. A signal input on the NeoTecMaster® , in this case the RS232 interface and one additional RS232 interface on the included NeoTec Slave module , are used by both Testomat® LAB TH to display the measured values, the trend and the status messages on the 5 inch screen. In addition to the on board RS232 interface, the NeoTecMaster® also has a Modbus RTU input, which you can use freely after brief technical consultation with us. (Pre-check whether your existing measurement technology to be integrated requires adjustments). The NeoTecMaster® can be systematically supplemented with further optional NeoTec modules (function / signal converter modules) as required, thus enabling the future realisation of further control concepts in a flexible manner. A module that fundamentally expands the range of functions and is already included in the scope of delivery is our NeoTec slave relay module with which you can add potential-free relay contacts to the overall system. You can freely assign these to the incoming measurement signals and thus, for example, implement limit value-related control concepts, as well as output measurement-related messages. Further advantages of the NeoTecMaster: Simple operation Integration of the Testomat® world of instruments, here in conjunction with two Testomat® LAB TH Integration into the existing control cabinet, alternatively we offer our NeoTecMaster® housing Modular range of functions can be extended by NeoTec slave and signal converter modules (measurement, control, regulation) Available as built-in or surface-mounted variant Structured continuous data recording on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format In addition, there are proven Testomat® LAB functionalities: Optimised water detection based on an optical measuring method RS232 interface for transmission of measured values and error messages Import and export of settings (basic programming) Logging of measurement data and messages/alarms via integrated SD card or optionally usable SDHC card (2GByte) Firmware update via SD card Execution of parameterisation by means of SD card or "Service Monitor" software via mini-USB (on the unit side) to USB 2.0 (e.g. PC/notebook) Multilingual software menu in German, English, French, Dutch, Portuguese Integrated self-test with continuous monitoring Automatic venting of the indicator line Compact design Performance profil Testomat® LAB TH: High-precision titration by means of piston metering pump Reliable and low-maintenance operation Minimal indicator and water consumption Analogue output 4 - 20 mA for transmission of measured values Programmable hardness unit in °dH, °f, ppm CaCO3, mmol/l Collective alarm output Indicator quantities: 500 ml bottles Analysis trigger: - Automatic interval operation (interval pause adjustable from 0-255 minutes) - External analysis input (start/stop) - Manual start Optional accessories available: OLED display Protective cover to increase the IP protection class of the Testomat® LAB TH devices NeoTecMaster instrument cover
The Testomat® 808 is a compact analyser for online measurement of water hardness according to the principle of "limit value monitoring with colour change" in the measuring range 0.02 - 5 ° dH (0.4 - 89 ppm). Applications of the continuous residual hardness monitoring are e.g.: Reverse osmosis systems, boiler feed water supply Soft water for commercial purposes, ultrapure water systems. In view of the fact that the Testomat® 808 is suitable for use in multi-parameter systems due to its 4-20mA signal output, we hereby offer you the Testomat® 808 in conjunction with the NeoTecMaster® Multicontroller, which was specially developed by our company, as a package solution at a preferential price. The 4-channel NeoTecMaster® Multicontroller included in this package enables the processing of up to four measurement signals. Via the 4-20mA NeoTec slave input module connected to the NeoTecMaster®, the data is transmitted to the NeoTecMaster® and used to display the measured value, the trend and the status messages on the 5-inch screen. In addition, the NeoTecMaster® has an RS232 interface as well as a Modbus RTU input, which you can use freely after brief technical consultation with us. (Pre-check whether your existing measurement technology to be integrated requires adjustments). The NeoTecMaster® can be systematically supplemented with further optional NeoTec modules (function / signal converter modules) as required. This allows the future realisation of further control concepts in a flexible way. Two modules which fundamentally extend the range of functions and are already included in the scope of delivery are our NeoTec slave relay module and the 4x 4-20mA input module. This allows you to add potential-free relay contacts to the overall system and to integrate and visualise further system technology such as sensors via the 4x 4-20mA input module. You can freely assign the relay contacts to the incoming measurement signals and thus, for example, implement simple limit value-related control concepts as well as output measurement value-related messages. Further advantages of the NeoTecMaster: Simple operation Integration of the Testomat® device world, here in connection with the Testomat® 808 Integration into the existing control cabinet, alternatively we offer our NeoTecMaster® enclosure Modular range of functions can be extended by NeoTec slave and signal converter modules (measurement, control, regulation) Available as built-in or surface-mounted variant Structured continuous data recording on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format In addition, there are the proven functionalities of the Testomat® 808: Indication of limit value undershoot or overshoot: green / red LED Modern indicator pump system Automatic measuring sequence with low water consumption Direct error and indicator quantity display Internal and external flushing of the measuring chamber by manual control Control of an external flush valve Three potential-free relays for: External flush valve control Limit value evaluation External control and / or alarm processing Safety check for 72-hour operation without supervision Indicator quantities: 100 and 500 ml bottles 4 - 20 mA interface for defined status and error messages RS 232 interface for firmware updates General information Water connection and operating pressure: Depending on unit version: 0.3 - 1 bar / 0.3 x 105 to 4 x 105 Pa 1 - 4 bar / 1 x 105 to 4 x 105 Pa (from 4 to 8 bar, a pressure reducer must be used (special accessory)) Water inlet: opaque hose with 6 mm outer diameter/4 mm inner diameter Water outlet: hose with 6 mm outer diameter/4 mm inner diameter Water temperature: 10 to 40 °C From 4 bar, a separately available pressure reducer must be used. Please use only the indicators approved for Testomat® 808! Optional accessories: NeoTecMaster unit hood
The Testomat® EVO TH automatically determines the water hardness by means of titration. The device is suitable for controlling the water quality of water treatment plants, drinking water systems, industrial boilers and for monitoring process water. On top of that our Testomat® EVO TH is approved for boiler houses | component identification no.: TÜV. WÜH. 21-025 | VdTÜV bulletin water monitoring device 100 and UL-TÜV certified. It is supplemented by the Testomat® LAB CL, a robust wet chemical online measuring converter to measure the concentration of total chlorine or free chlorine in the measuring range 0 - 5 mg/l. The instrument is suitable for controlling the water quality of water treatment plants, drinking water plants, process water monitoring and for monitoring the chlorine concentration in the cooling tower process. Instrument operation is based on the DPD method according to EN ISO 7393-2. The analysis is carried out through the addition of two reagents and the measurement result is obtained after a reaction time of approx. 60 seconds (pure measurement time without flush time). In view of the fact that the Testomat® LAB CL was developed for use in multi-parameter systems or for connection to a higher-level control system, we hereby offer you the Testomat® EVO TH and the Testomat® LAB CL in combination with the NeoTecMaster®, which was specially developed by our company, as a package solution at a preferential price. The 4-channel NeoTecMaster® multi-parameter controller included in this package enables the processing of up to four measurement signals in this version. A signal input on the NeoTecMaster® , in this case the RS232 interface and one additional RS232 interface on the included NeoTec Slave module , are used by Testomat® EVO TH and Testomat® LAB CL to display the measured value, the trend and the status messages on the 5 inch screen. In addition to the on board RS232 interface, the NeoTecMaster® also has a Modbus RTU input, which you can use freely after brief technical consultation with us. (Pre-check whether your existing measurement technology to be integrated requires adjustments). The NeoTecMaster® can be systematically supplemented with further optional NeoTec modules (function / signal converter modules) as required, thus enabling the future realisation of further control concepts in a flexible manner. A module that fundamentally expands the range of functions and is already included in the scope of delivery is our NeoTec slave relay module with which you can add potential-free relay contacts to the overall system. You can freely assign these to the incoming measurement signals and thus, for example, implement limit value-related control concepts, as well as output measurement-related messages. Further advantages of the NeoTecMaster: Simple operation Integration of the Testomat® world of instruments, here in conjunction with the Testomat® EVO TH and Testomat® LAB CL Integration into the existing control cabinet, alternatively we offer our NeoTecMaster® housing Modular range of functions can be extended by NeoTec slave and signal converter modules (measurement, control, regulation) Available as built-in or surface-mounted variant Structured continuous data recording on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format In addition, there are proven Testomat® functionalities of both devices: Optimised water detection based on an optical measuring method RS232 interface for transmission of measured values and error messages Import and export of settings (basic programming) Logging of measurement data and messages/alarms via integrated SD card or optionally usable SDHC card (2GByte) Firmware update via SD card Integrated self-test with continuous monitoring Automatic venting of the indicator line Performance profil Testomat® EVO TH: High-precision titration by means of piston metering pump LCD graphic display Multilingual menu with easy switching (internal programming is retained) External clear / acknowledge input Free programmable password Range monitoring (fall below limit value1 / exceed limit value 2) Permitted number of lack of water, freely programmable (for systems with temporarily low water pressure) Reliable and low-maintenance operation Minimal indicator and water consumption Analogue output 4 - 20 mA for transmission of measured values Programmable hardness unit in °dH, °f, ppm CaCO3, mmol/l Collective alarm output Indicator quantities: 100 and 500 ml bottles Analysis trigger: automatic interval operation (0-99 minutes) depending on quantity via contact water meter Performance profil Testomat® LAB CL: High-precision peristaltic pumps Reliable and low-maintenance operation Minimal reagent and water consumption Analog output 4 - 20 mA for transmission of measured values RS232 interface for transmission of measured values & fault messages Execution of parameterisation by means of SD card or "Service Monitor" software via mini-USB (on the unit side) to USB 2.0 (e.g. PC/notebook) Multilingual software menu in German, English, French, Dutch, Portoguese Compact design Common alarm output Optimised reagents: Only 2 reagents for the determination of total chlorine Optimised reagent set: filling quantities are coordinated so that the reagent set is used up almost evenly Analysis triggering: Automatic interval operation (interval pause adjustable from 10-60 minutes) Measuring phase mode (start impulse triggers a sequence of analyses for a period of 10 minutes to 12 hours) External analysis input (start/stop) Hand start Optional accessories available: OLED display for Testomat® LAB Protective cover to increase the IP protection class of the Testomat® LAB NeoTecMaster instrument cover
The Testomat® EVO TH automatically determines the water hardness by means of titration. The device is suitable for controlling the water quality of water treatment plants, drinking water systems, industrial boilers and for monitoring process water. Approved for boiler houses | component identification no.: TÜV. WÜH. 21-025 | VdTÜV bulletin water monitoring device 100 and UL-TÜV certified. The Testomat® EVO TH convinces with new functionalities: Optical water detection when filling the measuring chamber Import and export of settings (basic programming) with selectable file name Logging of measurement data and messages / alarms using an integrated SD or optional SDHC card (2GByte) Firmware update via SD card LCD graphic display Multilingual menu with easy switching (internal programming is retained) Integrated self-test with continuous monitoring External clear / acknowledge input Free programmable password Automatic bleeding of the indicator line Doors can be changed individually Range monitoring (fall below limit value1 / exceed limit value 2) Permitted number of lack of water, freely programmable (for systems with temporarily low water pressure) Performance profile: High-precision titration using a piston dosing pump Analogue output 0/4 - 20 mA Programmable hardness unit in ° dH, ° f, ppm CaCO3, mmol / l 2 independent limits with adjustable switching functions as well as switching option in accordance with an adjustable number of negative analyzes Analysis initiation: automatic interval operation (0-99 minutes) depending on quantity via contact water meter Indicator quantities: 100 und 500 ml bottles The Testomat® EVO TH is supplied without a power switch. This is done to comply with the DIN EN 61010-1 safety standard for measuring, control and laboratory equipment. Of course, an external mains switch will be made available to you as a customer for purchase. You can order this from us as a disconnector under article no. 850925, "external cam switch with protection class IP65". The Testomat® LAB TH and Testomat® LAB TH-R (Remote)determine the water hardness (residual total hardness) fully automatically by titration. The instrument is suitable for controlling the water quality of water treatment plants, drinking water plants, industrial boilers and for monitoring process water. Please note that Testomat® LAB - TH and Testomat® LAB TH-R was developed for use in multi-parameter systems or for connection to a higher-level control system. In addition to the 4-20 mA output for transmitting the measured values, this series has an RS232 interface for transmitting the measured values and error & status messages. Furthermore, all data are continuously recorded on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format structured and can be used at any time for detailed observations. The Testomat® LAB TH and TH-R convinces with new functionalities: Execution of parameterization by SD card or the "Service Monitor" software via mini-USB (on the device side) to USB 2.0 (for example PC/notebook) Multilingual menu navigation software in German, English, French, Dutch, Portuguese Firmware update via SD card compact design optimized water detection based on an optical measuring method Integrated self-test with continuous monitoring Automatic venting of the indicator line Tried and tested performance profile: High-precision titration using a piston dosing pump Reliable and low-maintenance operation Minimal indicator and water consumption Analog output 4 - 20 mA for transmission of measured values Programmable hardness unit in °dH, °f, ppm CaCO3, mmol/l Common alarm output Indicator quantities: 500 ml bottles Analysis triggering: Automatic interval operation (interval pause adjustable from 0-255 minutes) External analysis input (start/stop) Hand launch Both analysers are available in the "R" version, which includes the following additional function: Parameterisation and readout of the unit parameters via the RS232 interface Optional accessories for both devices: OLED display Protecting cover to increase the IP protection class The Testomat® EVO TH automatically determines the water hardness by means of titration. The device is suitable for controlling the water quality of water treatment plants, drinking water systems, industrial boilers and for monitoring process water. Approved for boiler houses | component identification no.: TÜV. WÜH. 21-025 | VdTÜV bulletin water monitoring device 100 and UL-TÜV certified. The Testomat® EVO TH convinces with new functionalities: Optical water detection when filling the measuring chamber Import and export of settings (basic programming) with selectable file name Logging of measurement data and messages / alarms using an integrated SD or optional SDHC card (2GByte) Firmware update via SD card LCD graphic display Multilingual menu with easy switching (internal programming is retained) Integrated self-test with continuous monitoring External clear / acknowledge input Free programmable password Automatic bleeding of the indicator line Doors can be changed individually Range monitoring (fall below limit value1 / exceed limit value 2) Permitted number of lack of water, freely programmable (for systems with temporarily low water pressure) Performance profile: High-precision titration using a piston dosing pump Analogue output 0/4 - 20 mA Programmable hardness unit in ° dH, ° f, ppm CaCO3, mmol / l 2 independent limits with adjustable switching functions as well as switching option in accordance with an adjustable number of negative analyzes Analysis initiation: automatic interval operation (0-99 minutes) depending on quantity via contact water meter Indicator quantities: 100 und 500 ml bottles The Testomat® EVO TH is supplied without a power switch. This is done to comply with the DIN EN 61010-1 safety standard for measuring, control and laboratory equipment. Of course, an external mains switch will be made available to you as a customer for purchase. You can order this from us as a disconnector under article no. 850925, "external cam switch with protection class IP65".
The Testomat® LAB TH determines the water hardness (residual total hardness) fully automatically by use of titration and has been developed for monitoring the water quality of water treatment plants, drinking water plants, industrial boilers and for monitoring process water and the Testomat® LAB CL is a robust, wet chemical online measuring converter to measure the concentration of total chlorine or free chlorine in the measuring range 0 - 5 mg/l. The instrument is suitable for controlling the water quality of water treatment plants, drinking water plants, process water monitoring and for monitoring the chlorine concentration in the cooling tower process. Instrument operation is based on the DPD method according to EN ISO 7393-2. The analysis is carried out through the addition of two reagents and the measurement result is obtained after a reaction time of approx. 60 seconds (pure measurement time without flush time). In view of the fact that the Testomat® LAB TH and Testomat® LAB CL was developed for use in multi-parameter systems or for connection to a higher-level control system, we hereby offer you both Testomat® LAB analysis devices in combination with the NeoTecMaster®, which was specially developed by our company, as a package solution at a preferential price. The 4-channel NeoTecMaster® multi-parameter controller included in this package enables the processing of up to four measurement signals in this version. A signal input on the NeoTecMaster® , in this case the RS232 interface and one additional RS232 interface on the included NeoTec Slave module , are used by Testomat® LAB TH and Testomat® LAB CL to display the measured value, the trend and the status messages on the 5 inch screen. In addition to the on board RS232 interface, the NeoTecMaster® also has a Modbus RTU input, which you can use freely after brief technical consultation with us. (Pre-check whether your existing measurement technology to be integrated requires adjustments). The NeoTecMaster® can be systematically supplemented with further optional NeoTec modules (function / signal converter modules) as required, thus enabling the future realisation of further control concepts in a flexible manner. A module that fundamentally expands the range of functions and is already included in the scope of delivery is our NeoTec slave relay module with which you can add potential-free relay contacts to the overall system. You can freely assign these to the incoming measurement signals and thus, for example, implement limit value-related control concepts, as well as output measurement-related messages. Further advantages of the NeoTecMaster: Simple operation Integration of the Testomat® world of instruments, here in conjunction with the Testomat® LAB TH and Testomat® LAB CL Integration into the existing control cabinet, alternatively we offer our NeoTecMaster® housing Modular range of functions can be extended by NeoTec slave and signal converter modules (measurement, control, regulation) Available as built-in or surface-mounted variant Structured continuous data recording on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format In addition, there are proven Testomat® LAB functionalities: Optimised water detection based on an optical measuring method RS232 interface for transmission of measured values and error messages Import and export of settings (basic programming) Logging of measurement data and messages/alarms via integrated SD card or optionally usable SDHC card (2GByte) Firmware update via SD card Execution of parameterisation by means of SD card or "Service Monitor" software via mini-USB (on the unit side) to USB 2.0 (e.g. PC/notebook) Multilingual software menu in German, English, French, Dutch; Portuguese Integrated self-test with continuous monitoring Automatic venting of the indicator line Compact design Performance profil Testomat® LAB TH: High-precision titration by means of piston metering pump Reliable and low-maintenance operation Minimal indicator and water consumption Analogue output 4 - 20 mA for transmission of measured values Programmable hardness unit in °dH, °f, ppm CaCO3, mmol/l Collective alarm output Indicator quantities: 500 ml bottles Analysis trigger: - Automatic interval operation (interval pause adjustable from 0-255 minutes) - External analysis input (start/stop) - Manual start Performance profil Testomat® LAB CL: High-precision peristaltic pumps Reliable and low-maintenance operation Minimal reagent and water consumption Analog output 4 - 20 mA for transmission of measured values RS232 interface for transmission of measured values & fault messages Common alarm output Optimised reagents: Only 2 reagents for the determination of total chlorine Optimised reagent set: filling quantities are coordinated so that the reagent set is used up almost evenly. Analysis trigger: Automatic interval operation (interval pause adjustable from 0-255 minutes) External analysis input (start/stop) Manual start Optional accessories available: OLED display Protective cover to increase the IP protection class of the Testomat® LAB devices NeoTecMaster instrument cover
The Testomat® LAB TH determines the water hardness (residual total hardness) fully automatically by use of titration and has been developed for monitoring the water quality of water treatment plants, drinking water plants, industrial boilers and for monitoring process water. In view of the fact that the Testomat® LAB TH was developed for use in multi-parameter systems or for connection to a higher-level control system, we hereby offer you the Testomat® LAB TH in combination with the NeoTecMaster®, which was specially developed by our company, as a package solution at a preferential price. The 4-channel NeoTecMaster® multi-parameter controller included in this package enables the processing of up to four measurement signals in this version. A signal input on the NeoTecMaster®, in this case the RS232 interface, is used by Testomat® LAB TH to display the measured value, the trend and the status messages on the 5 inch screen. In addition to the RS232 interface, the NeoTecMaster® also has a Modbus RTU input, which you can use freely after brief technical consultation with us. (Pre-check whether your existing measurement technology to be integrated requires adjustments). The NeoTecMaster® can be systematically supplemented with further optional NeoTec modules (function / signal converter modules) as required, thus enabling the future realisation of further control concepts in a flexible manner. A module that fundamentally expands the range of functions and is already included in the scope of delivery is our NeoTec slave relay module with which you can add potential-free relay contacts to the overall system. You can freely assign these to the incoming measurement signals and thus, for example, implement limit value-related control concepts, as well as output measurement-related messages. Further advantages of the NeoTecMaster: Simple operation Integration of the Testomat® world of instruments, here in conjunction with the Testomat® LAB TH Integration into the existing control cabinet, alternatively we offer our NeoTecMaster® housing Modular range of functions can be extended by NeoTec slave and signal converter modules (measurement, control, regulation) Available as built-in or surface-mounted variant Structured continuous data recording on the integrated SD card or optionally available SDHC card (2Gbyte) as a file in CSV format In addition, there are proven Testomat® LAB TH functionalities: Optimised water detection based on an optical measuring method RS232 interface for transmission of measured values and error messages Import and export of settings (basic programming) Logging of measurement data and messages/alarms via integrated SD card or optionally usable SDHC card (2GByte) Firmware update via SD card Execution of parameterisation by means of SD card or "Service Monitor" software via mini-USB (on the unit side) to USB 2.0 (e.g. PC/notebook) Multilingual software menu in German, English, French, Dutch, Portoguese Integrated self-test with continuous monitoring Automatic venting of the indicator line Compact design Proven performance profil: High-precision titration by means of piston metering pump Reliable and low-maintenance operation Minimal indicator and water consumption Analogue output 4 - 20 mA for transmission of measured values Programmable hardness unit in °dH, °f, ppm CaCO3, mmol/l Collective alarm output Indicator quantities: 500 ml bottles Analysis trigger: - Automatic interval operation (interval pause adjustable from 0-255 minutes) - External analysis input (start/stop) - Manual start Optional accessories available: OLED display Protective cover to increase the IP protection class of the Testomat® LAB TH NeoTecMaster instrument cover
Titromat TH – Automatic Total Hardness Analysis Continuous monitoring of water hardness The Titromat TH is used for the automatic determination and monitoring of water hardness in aqueous media. The Titromat monitors the total hardness of water fully automatically, ensuring reliable control of calcium and magnesium concentrations. Automatic measurement saves time and reduces the need for manual analyses. Performance profile of the Titromat for total hardness measurement Automatic sample and reagent handling: Reduces operator effort and reliably controls measurement cycles. Flexible measurement intervals: Allows adaptation of the measurement rhythm to specific system requirements. Reliable documentation and interface options: Enables easy transmission or storage of measurement data. Automatic measurement of water hardness The Titromat independently determines the total hardness of water and provides continuous, actionable data for monitoring water quality. Hardness fluctuations can be detected promptly through automatic analysis.