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Inline quality control in your food production

Ensure product quality, avoid product loss and increase plant availability

Pressure on sales, margins and product quality, combines with a shortage of skilled labor, drive food processors to look at more efficient ways to increase productivity uptime and reduce product losses. By supplementing or replacing laboratory measurement with inline measurement instrumentation, production check steps can be greatly improved, thus increasing throughput and reducing hold times as well as the risk of off-spec product.

Nossa oferta

Inline quality measurement enables processes to run with a higher level of control. Changes in the process, caused by raw materials, energy supply or operational influences, can be detected immediately. Inline quality control tracks the process every second to complement lab testing, completing the picture and facilitating continuous quality improvements. Endress+Hauser offers a wide portfolio of technologies and process instrumentation that help you:

  • Ensure product quality and protect your brand

  • Avoid product losses

  • Increase plant availability

  • Reduce raw material and energy consumption

Applications

pH measurement

More than 30% of all quality-relevant process measurements are related to pH. While this parameter is often used to monitor taste and consistency, the primary application is to ensure the correct pH levels in acidified foods for safety purposes.

Inline ph measurement
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Other examples include: monitoring the fermentation rate or determining when fermentation is complete, detecting trace CIP fluid contamination before packaging or bottling, monitoring the pH value to ensure the shelf life of the end product. Endress+Hauser offers a wide range of pH sensors, from glass electrodes and enamel sensor up to non-glass ISFET sensors.

  • Rely on glass sensors like the Memosens CPS171D for precise measurements and rapidly changing pH values.

  • For very sticky or viscous media such as mayonnaise, the Ceramax CPS341D enamel sensor meets the highest demands for measurement accuracy while providing optimal long-term stability and the lowest maintenance requirements.

  • The Memosens CPS77D non-glass ISFET sensor can be used with peace of mind for final pH checks or in production.

Density and concentration measurement

To monitor and control the consistent quality of a product, density must be measured accurately. To determine the concentration, the density values are converted to different units such as Brix, Baume, API, Plato or alcohol.

Inline quality control
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The medium density can be continually (inline) monitored and controlled in a wide range of applications, drastically reducing the effort involved in regular sampling and lab analyses. Endress+Hauser offers different physical measuring principles.

  • Measure density/concentration with superior accuracy using the Proline Promass Q 300. This flowmeter is optimized for liquid applications where entrained gas is known to be present.

  • Vibronic technology offers accurate density measurement in tanks. Hygienic design and cost-effective installation with up to 5 measuring points managed by a single FML621 density computer.

Color and turbidity measurement

Color and turbidity measurement are essential for quality and taste in edible oil, beverages, beer, wine and molasses. They are use in a wide variety of applications such as effluent monitoring, removing turbid substances in raw oil, product loss detection in dairies or simple phase separation.

Monitoring the color and turbidity in food production
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Ensuring each of these applications and processes requires permanent monitoring of the critical parameters color and turbidity. Endress+Hauser offers a wide range of optical sensors dedicated to the specific application need.

  • Precise inline color measurement in liquids in the visible region of the electromagnetic spectrum using our OUSAF22 color sensor, which measures the slightest color changes to ensure superior end product quality.

  • The OUSTF10 inline turbidity sensor is used for measuring suspended solids, emulsions and immiscible fluids in process liquids.

  • The OUSAF11 hygienic absorption sensor is used for phase separation or for ensuring that the right grade of milk is present. Also suitable for the immediate detection of product in CIP solutions and effluent or media leaking into chiller water lines.

Conductivity measurement

Conductivity measurement can provide early detection of contamination from improperly flushed lines or leaking valves. This facilitates early identification of the source of the issue and prevents contaminated products.

Inline measurement sensor
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Endress+Hauser provides reliable and accurate instruments for all measurement ranges and conditions, such as CIP cycles or hygienic processes. Benefit from a wide range of sensors and transmitters.

  • Where speed of response or highest accuracy is needed, the Indumax CLS54D digital conductivity sensor is unmatched in the market.

  • Choose the compact conductivity device Smartec CLD18 for applications where the toroidal measurement is needed and an embedded transmitter is of advantage.

  • Use the Memosens CLS82D digital 4-electrode conductivity sensor for hygienic applications that need to cover a broad measuring range such as phase separation or fermentation.

Chemical composition measurement: Raman spectroscopy

Inline Raman spectroscopy measurements provide in-depth chemical composition knowledge about your process without the need to collect a sample for laboratory analysis. Raman spectroscopy can monitor multiple aspects of product quality with a single probe, around the clock, thus enabling in-process corrections and faster product release.

Measure chemical composition with Raman spectroscopy
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Incorporation of Process Analytical Technology (PAT) tools, such as Raman spectroscopy, into the process during early stages of process development helps deliver consistent product and process quality. With our proven reliability, repeatability, and compliance support, we have over 30 years of customer success in process improvements after implementing Kaiser Raman.

Process insights

Click through these process maps and learn in detail where you can implement inline quality control in your processes. See the relevant critical process parameters and discover our product offering for specific measuring points.

Memosens glass electrode for the chemical and life sciences industries

Ceragel CPS71D - Digital pH glass sensor for demanding processes and hygienic applications
  • Sensor resists strong acids and bases and high organic loads

  • Suitable for CIP/SIP and autoclaving maintaining high accuracy

  • Free from animal-based materials and from acrylamide

  • Maximum process safety through non-contact inductive signal transmission

  • Enables predictive maintenance due to storage of sensor and process-specific data

  • Reduced operating costs thanks to minimized process downtime and extended sensor lifetime

NIR/VIS absorption sensor for color and purity monitoring

The OUSAF22 NIR/VIS absorption sensor monitors color and purity in Ex areas and hygienic processes.
  • Accurate color and purity monitoring for better product quality

  • Fast and direct inline measurement avoids expensive sampling and laboratory measurements

  • Values according to standard color scales (APHA/Hazen, etc.)

  • Low-maintenance sensor with long service life and stable operation

  • Outstanding filter performance provides highest linearity

  • Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)

  • Approved for hazardous area use

Wort boiling process in a brewery. Inline quality control of the parameter color and pH, take a closer look.

Measurement of density, reference density, concentration of liquids in conjunction with a Liquiphant

Density Computer FML621 - Vibronic measurement
  • Measurement used in tanks and pipes without the need for additional pipework

  • Large number of process connections to choose from: universal usage

  • Integration of existing temperature measurements for temperature compensation

  • No mechanically moving parts: no maintenance, no wear, long operating life

  • pump dry-run protector can be provided with the same process connection

  • Additional calculations, such as the mass of the product, can be performed in the Density Computer FML621

  • The integrated data logger supports users during operation and servicing

Innovative specialist for challenging applications with a compact, easily accessible transmitter

Picture of Proline Promass Q 300 / 8Q3B with flange connections and compact transmitter
  • Secured measuring quality – unmatched accuracy of mass flow, volume flow and density

  • Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology)

  • Fewer process measuring points – multivariable measurement (flow, density, temperature)

  • Space-saving installation – no in/outlet run needs

  • Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses

  • Reduced complexity and variety – freely configurable I/O functionality

  • Integrated verification – Heartbeat Technology

Toroidal conductivity measuring system for hygienic and sterile applications

Smartec CLD134 is a hygienic conductivity system ensuring the highest process safety and quality.
  • Unique hygienic design avoids recontamination

  • With all hygienic certificates required in hygienic and sterile applications

  • Certified biocompatibility according to USP class VI

  • Compliant with EG 2023/2006 and 1935/2004

  • Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)

  • Durable thanks to encapsulated, jointless design

Preparation and mixing of softdrinks. Density, conductivity and color are important parameters for quality - they all can be controlled with inline measurement.

Memosens glass electrode for the chemical and life sciences industries

Ceragel CPS71D - Digital pH glass sensor for demanding processes and hygienic applications
  • Sensor resists strong acids and bases and high organic loads

  • Suitable for CIP/SIP and autoclaving maintaining high accuracy

  • Free from animal-based materials and from acrylamide

  • Maximum process safety through non-contact inductive signal transmission

  • Enables predictive maintenance due to storage of sensor and process-specific data

  • Reduced operating costs thanks to minimized process downtime and extended sensor lifetime

Benefit from our digital pH sensor Ceragel CPS71D in your sugar evaporation process.

Turbidity and suspended solids measurement by light scattering and absorbance

The OUSTF10 sensor measures suspended solids, emulsions and immiscible fluids in process liquids.
  • Accurate and highly sensitive purity monitoring for better product quality

  • Low-maintenance sensor with long service life and stable operation

  • Optional long pass NIR filter to minimize color related measurement errors

  • Reliable detection of heat exchanger leaks

  • Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)

  • Approved for hazardous area use

Discover our inline turbidity measurement in the process of edible oil neutralization.

Innovative specialist for challenging applications with a compact, easily accessible transmitter

Picture of Proline Promass Q 300 / 8Q3B with flange connections and compact transmitter
  • Secured measuring quality – unmatched accuracy of mass flow, volume flow and density

  • Optimized performance for liquids with entrained gas – MFT (Multi-Frequency Technology)

  • Fewer process measuring points – multivariable measurement (flow, density, temperature)

  • Space-saving installation – no in/outlet run needs

  • Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses

  • Reduced complexity and variety – freely configurable I/O functionality

  • Integrated verification – Heartbeat Technology

Benefit from an accurate inline flow measurement with Proline Promass Q300 in the milk intake process.

Benefícios

Working together with numerous customers, our industry and application experts have achieved striking results in the implementation of inline quality control. Together we were able to ensure product quality and reduce product loss. Endress+Hauser guarantees you success from the very start. Our goal is to be a reliable partner in every aspect of your production.

  • 100%

    Permanent real-time information from your production process

  • 30%

    Reduced risk of product loss by off-spec products with the elimination of blind spots between samples.

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