Battery-Operated Electronic Nose Based on Gas Chromatography

The Model 4300 Portable battery operated zNose® is rechargeable with ultra-fast gas chromatography capabilities.

All types of vapors are detected and analyzed by this device. Traces of chemical, biological and organic compounds are identified by this portable electronic nose analyzer in a rapid and accurate manner. Automatic identification of compounds takes place with the help of an external computer and Electronic Sensor Technology’s proprietary software, Microsense. As a powerful odor detector, the 4300 Portable zNose® offers efficient, accurate and portable analysis.

The Model 4300 is capable of analyzing vapors in a minute with parts-per-billion sensitivity. It is available with an internal refillable helium cylinder and can adapt to use disposable helium cylinders. The lithium ion battery used in this model is rechargeable and typically lasts for 5 to 6 hours. This model has been approved by the U.S government.

  • EPA certified
  • Automatic with user calibration
  • Rechargeable lithium ion battery
  • Detects hydrocarbons in the range of C4-C25
  • Designed with refillable helium cylinder
  • Analyze vapors with outstanding speed

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Key Applications

Homeland Security

Homeland Security threats are prevented by detecting chemical vapors and odors produced by explosives, biological, and chemical weapons.

  • Airport security
  • Building security
  • Port and cargo security


The odor of chemical fragrances, fuels, compounds etc. is identified to detect contamination with parts-per-trillion sensitivity.

  • Fragrance
  • Fuels
  • Plastics


The level of harmful emissions in the atmosphere is controlled with real-time analysis of odors in soil, water and air.

  • Soil, water and air
  • Odor management

Life Science

Rapid analysis of odor and aromatic signatures of living organisms is performed with complete chemical profile.

  • Animals
  • Plants
  • Molds and bacteria

Food and Beverages

Qualitative and quantitative analysis of food aroma and beverage quality check is performed.

  • Beverages
  • Food aroma


The chemical composition of urine, blood and body fluids is analyzed with speed and precision.

  • Diagnostics
  • Hygiene

How does zNose® Work?

The best in class ultra-fast gas chromatography and surface acoustic wave technologies are employed by zNose®.

The application of zNose® involves a simple 3-step procedure that quantifies all odor types within a minute with speed, precision and accuracy.

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