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What is the importance of a precise pH and salinity measurement system in the textile industry?

Precise control of pH and salinity is the basis for effective and environmentally friendly textile dyeing. With the right salt level, the dye is evenly distributed on the fabric, ensuring a perfectly uniform colour without spots or unevenness. On the other hand, the wrong salt concentration - either too little or too much - can lead to quality problems and even the need to reject entire batches of fabric.

However, that is not all. The right salinity speeds up the dyeing process and makes it more energy-efficient, which helps to reduce production costs. Precise measurements are also key to environmental protection. They enable factories to better control the amount of chemicals, including salt in wastewater, minimising the negative impact on the environment and meeting increasingly stringent environmental standards.

In short, accurate measurement of pH and salinity not only means better quality fabrics, but also a clear step towards sustainable and efficient textile production.

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How to automate pH and salinity measurement in dye machines? Our solution

In response to our customer's needs, we have developed an automated solution that eliminates the challenges of manual measurements by providing continuous pH and salinity monitoring in dyeing machines. The system integrates the tecLine Hd digital pH and tecLine Ci conductivity sensors with the Aquis Touch P panel liquid analysis transmitter.

A key component of the system is a salinity calculation method based on laboratory data. Based on tests we conducted in the customer's laboratory, we developed a precise correlation table between conductivity and salt concentration. The Aquis Touch P analyser uses this concentration table to provide current salinity calculations based on conductivity measurements. Testing under real dye conditions ensured the accuracy of the system at different temperatures and dye concentrations.

Our solution consists of:

  • Aquis Touch P central monitoring unit for liquid analysis .
  • TecLine Ci conductivity sensor for precise salinity measurement.
  • tecLine Hd pH probes for continuous monitoring of the pH value.
  • Dedicated cabling for reliable data transfer.

The system eliminates the need for manual sampling by monitoring pH and salinity levels in real time during the staining process.

Od lewej: wielokanałowy przetwornik do analizy cieczy JUMO AQUIS touch P (202580), indukcyjna sonda przewodności JUMO tecLine Ci-S (202942), na dole: przemysłowe elektrody pH JUMO tecLine HD (201021)

How has the automation of salinity and pH measurements improved the uniformity of fabric dyeing? Customer benefits

The new automated pH and salinity measurement system has significantly improved the fabric dyeing process. Continuous monitoring has resulted in uniform colour distribution across all batches of fabric. Problems of spotting and uneven dyeing, which had previously been a major challenge, have been eliminated.

The system provided three key benefits:

  1. Improved colour uniformity: The right concentration of salt allows even distribution of the dye through real-time monitoring.
  2. Higher energy efficiency: Optimised salt levels speed up the dyeing process and reduce energy consumption.
  3. Better environmental management: Accurate salinity control facilitates wastewater treatment.

The effect on production efficiency is evident. Automatic measurements have made the dyeing process more energy-efficient, as appropriate salt levels speed up dye absorption. Lower production costs and higher fabric quality are direct results of this improved process.

The automated system has also revolutionised waste water management. Customers can now minimise their environmental impact while meeting regulatory standards. Precise control of salt levels makes treatment processes more predictable and easier to manage. These effects show that automated measurement systems support modern textile manufacturers in achieving the highest quality, efficiency and sustainability. The solution proves that modern automation technologies make it possible to transform traditional dyeing methods into analytical processes that meet modern production requirements.

Need more information?

If you have questions about measurement sensors and automation systems for the textile industry, you can contact us via this form.

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About the author

My name is Ewelina Szmit and I have been working in content marketing for several years, combining my professional skills with my passion for writing. I am convinced that even the most technical topics can be presented in an interesting and accessible way for everyone. Outside of work, I unleash my creativity by creating newspaper collages. I like to spend my free time being active, walking my dog or running.



Ewelina Szmit

Author

Ewelina Szmit - Content specialist +48 71 339 32 94 Ewelina.Szmit@jumo.net +48 71 339 32 94


Katarzyna Tracz

Technical specialist

Katarzyna Tracz - Inside Sales Engineer +48 71 339 32 86 Katarzyna.Tracz@JUMO.net +48 71 339 32 86

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