With FlavoTone, subjective smell becomes objective data. Developed as an advanced electronic smell sensor, FlavoTone complements the human sense of smell across various settings, enabling precise odor detection, differentiation, and digitalization. By identifying irregularities in scent, it significantly improves the precision of quality control, visualizes subtle differences between samples, and continuously tracks odor changes over time.
FlavoTone functions as a high-precision electronic nose sensor built upon a QCM (Quartz Crystal Microbalance) transducer platform. Equipped with functional receptor membranes designed to mimic aspects of the human nose, the sensor captures chemical substances contained within odors.
Each QCM gas sensor chip features an array of five odor-adsorbing membranes. Each membrane possesses distinct chemical affinities and physical adsorption and desorption characteristics. Some membranes respond more readily to acidic or basic substances, while others exhibit higher sensitivity to hydrophobic compounds.
By combining membranes with varied adsorption properties (up to 40 distinct membrane types in system configurations like this photo), complex odors are converted into unique digital response patterns.
Frequency shifts across the sensor array are captured as numerical data and converted into visual odor profiles for instantaneous comparison, interpretation, and analysis.
Designed as a compact, embedded module (Type-Q), allowing seamless device integration into industrial equipment, robotics, smart appliances, and standalone digital olfaction hardware.
FlavoTone is a highly specialized electronic odor sensor, aroma sensor, and VOC sensor designed to detect and differentiate a wide spectrum of chemical compounds and complex odor signatures. Its receptor membranes offer targeted responsiveness to:
High sensitivity to basic substances, functioning effectively as an ammonia sensor and Hydrogen Chloride sensor.
Performs reliably as an alcohol sensor, Ethanol sensor, and general VOC sensor for identifying and profiling volatile emissions.
Highly effective as a fermentation sensor, tracking shifts in alcohol-to-ester ratios and organic byproducts.
Excellent detection capability for aromatic compounds, including toluene and xylene.
Functions as an Aldehyde sensor and ester detector capable of capturing delicate floral, fruity, or synthetic aroma notes.
Effective across various hydrocarbon-based gaseous compounds.
Discrete QCM (Quartz Crystal Microbalance) sensing operates as a mass-sensitive detection system.
By evaluating the simultaneous frequency responses across multiple discrete QCM elements, the system generates a distinct multi-dimensional fingerprint for each sampled scent.
FlavoTone provides an objective digital platform for odor measurement across a wide range of industries. The following are examples of applications where its odor sensing and profiling capabilities can be utilized:
The applications listed above represent example use cases for FlavoTone. Suitability and performance for specific applications depend on the target substances, operating environment, system configuration, and testing conditions.
Because a QCM-D chip relies on physical contact between airborne odor molecules and the surface-bound receptor membranes, passive diffusion can sometimes slow down response times or lead to uneven exposure. To achieve optimal smell detection and rapid recovery times, the sensor requires active airflow. Integrating a small fan, micropump, or dedicated sampling manifold to actively move ambient air across the sensor chip ensures consistent molecule delivery, maximum sensitivity, and rapid desorption cycles.
FlavoTone is engineered specifically for design engineers, product developers, system integrators, and R&D teams who want to add intelligent smell detection capabilities to their hardware or process lines. Whether you are developing smart home appliances, automated industrial machinery, inspection devices, or robotics, FlavoTone provides the embedded sensor architecture needed to digitize scent into actionable data.
FlavoTone odor-sensing technology has been evaluated and applied in a variety of projects involving device integration, environmental monitoring, product development, and odor digitalization. Examples include:
These examples include applications and demonstrations conducted using Sanyo Chemical’s odor-sensing technologies and systems. The specific sensor configuration and equipment used vary by project.
