INDUSTRY 06

Food / Brewing / Sugar

06 / FOOD

Brix, alcohol and wort concentration — non-radioactive online.

6 applicable products 2 application cases

Overview

Food, brewing and sugar industries widely need concentration measurement: Brix, alcohol, wort, juice concentration, dairy total solids. Compared with heavy industry these sectors prioritize non-intrusive measurement, hygienic design and zero radioactive sources (to avoid both licensing and public concern).

Measurement point	Principle	Models
Syrup concentration (Brix)	Coriolis / Optical	PS7200 / PS7110
Wort concentration	Ultrasonic sound velocity	PS7020
Juice / concentrate	Optical	PS7110 / PS7100
Alcohol content	Ultrasonic sound velocity	PS7020

Sound Velocity Concentration Meter

The PS7020 series ultrasonic sound-velocity concentration/density meter measures the time of flight of ultrasonic waves in a liquid, and—combined with temperature compensation and an extensive library of calibration curves—converts this data in real time to yield the medium’s concentration and density, addressing the low accuracy and susceptibility to interference inherent in conventional measurement methods. Leveraging the fundamental physical principles of the sound-velocity method, this instrument is entirely immune to the effects of liquid color, transparency, electrical conductivity, vibration, noise, and flow velocity, thereby guaranteeing high precision and exceptional stability.

PS7400

Online tuning fork density meter

The PS7400 series online tuning fork density meter monitors liquid density in real time by leveraging piezoelectric excitation and changes in the tuning fork’s resonant frequency, requiring no maintenance while delivering highly accurate, repeatable measurements. Its built-in PT1000 temperature compensation eliminates drift due to temperature variations, making it suitable for diverse industrial applications such as pipelines and storage tanks, and widely used in the petrochemical, chemical, and pharmaceutical industries.

PS7200

Coriolis density meter

The PS7210 density meter employs the Coriolis force principle and achieves high‑precision, long‑term stability with no sensor drift through pure‑physical frequency measurement. It is suitable for continuous online monitoring of a wide range of liquids, including those in the petrochemical, brewing, and chemical industries—covering acids and alkalis—and supports installation in bypass lines or buffer tanks.

PS7110

Refractive concentration meter

The PS7110 series online refractive concentration meter uses high-resolution spectral acquisition and temperature-compensation algorithms to accurately convert the refractive index of a liquid into concentration, making it suitable for a wide range of industrial processes. Based on the principle of the critical angle of total internal reflection, the instrument features no moving parts and requires no reagents or consumables; it is unaffected by bubbles, color, or turbidity, ensuring long-term stability and maintenance-free operation.

PS7100

Spectroscopic concentration meter

The PS7100 series spectral concentration/density meter employs multi-channel full-spectrum technology to deliver real-time, reagent-free, and undiluted high-precision concentration measurements. Based on the Lambert–Beer law, this instrument provides broad coverage across the ultraviolet, visible, and near-infrared spectra, making it suitable for industries such as chemicals, pharmaceuticals, and food & beverage, and particularly well‑suited for concentration monitoring in complex multiphase systems.

PS7300

Pipeline Differential Pressure Density Meter

Online differential pressure density meter uses a special density sensor to measure the density of various liquids or liquid mixtures online, directly reads the density value and outputs a 4-20mA DC signal with HART communication protocol. It is widely

Sound Velocity Concentration Meter · PS7020

PS7020 Series Ultrasonic Sound Velocity–Based Concentration/Mass Density Meter: Applications in the Food, Brewing, and Sugar-Refining Industries

In the wort mashing, filtration, and fermentation stages of beer brewing, customers face challenges such as delayed wort concentration measurements, bubble interference, and poor performance with dark-colored liquids, resulting in significant batch-to-batch variability and frequent manual sampling. The PS7020 series ultrasonic sound-velocity–based concentration/density meter measures wort °P online with an accuracy of ±0.0005 g/cm³, unaffected by color, bubbles, or CO₂. Equipped with a hygienic clamp‑type quick‑connect and compatible with CIP/SIP, it delivers sub‑second real‑time feedback and seamless integration with MES systems.

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Pipeline Differential Pressure Density Meter · PS7300

Blended oil recipe control · Sanitary clamp + PFA coating · MES batch traceability

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Selection support for this industry

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Industry FAQ

What sanitary requirements does food/brewing have, and can Pisonics meet them?

Hygienic requirements for food and beverage production:

Wetted materials — 316L stainless steel, polished (Ra ≤ 0.4 μm), PTFE, sapphire;
Process connections — sanitary clamp (Tri-Clamp), ISO food-grade flanges;
CIP/SIP cleaning — resistant to 90°C hot water, chemical cleaning with 3% NaOH/3% HNO3, steam sterilization at 134°C;
Dead‑free design;
Compliance certificates — FDA 21 CFR, EHEDG, and 3-A certification (for select models).

Pisonics hygienic‑grade versions: PS7400 tuning fork (clamp connection + 316L polishing + PTFE coating), PS7110 refractive index meter (sapphire prism + sanitary clamp), PS7020 sound velocity method (PTFE wetted parts), PS7210 Coriolis mass flow meter (sanitary clamp).

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