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How Temperature Monitoring Tags Work

The Varcode Smart Data Solution is a next-gen solution for monitoring the temperature of products throughout the supply chain. At the system’s core is Varcode’s Smart Tag, which enables low-cost, multipoint track & trace from product origination to its final destination. 

The Smart Tag™ is, in fact, a dynamic barcode, where the black and white lines actually change based on temperature and time. Our custom-tuned mixture reacts to temperature change over time and expands across the barcode. Other visual markers, such as Too Cold and Too Hot can also be set to trigger uniquely. 

With just a scan, our Smart Tag™ eliminates interpretation errors and digitizes data. The Smart Tag™ to be for deployment throughout any business. 

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varcode smart data solutions barcode icon

Smart Tag™ Highlights

  • Next-Gen Dynamic barcode based on specified temp and time thresholds
  • No RFID or electronics used in the Smart Tag™
  • Enhances and easily integrates with your existing solution to provide additional ROI for your current investment
  • Captures cumulative time outside of specific range using specialized ink
  • Reports on the important decisions point in your cold-chain
  • Scannable by a handheld, fixed, or smartphone scanner
  • Standard models plus customized tags
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Cold Chain Temperature Monitoring Configuration

Varcode is dedicated to customizing your temperature monitoring system to your business needs. Our Smart Tag™ comes in a variety of standard time and temperature configurations based on industry needs ranging from -4°F (-20°C) to 78°F (25°C) with time parameters from 15 minutes to 12 hours.  

A Smart Tag™ can be formatted as any universal identifier code to fit the barcode symbologies used in your business. Examples include Code 128, UPC-a, ​​GS1 DataBar, Code 39, UPC-E, or EAN codes to seamlessly integrate existing tracing data used today.

Customize the top layer of a Smart Tag™ with your branding as part of the full VSDS integration. 

cold chain temperature monitoring barcodes

Threshold Temperatures and Alert Times Can Be Combined in Any Configuration  

Examples of Standard Configurations
Threshold TemperatureStatus / Alert Times
-4°F / -20°C15 Minutes & 2 Hours
0°F / -18°C15 Minutes & 4 Hours
32°F / 0°C15 Minutes & 6 Hours
36°F/ 2°C2 & 4 Hours
41°F / 5°C2 & 6 Hours
46°F / 8°C2 & 8 Hours
50°F / 10°C4 & 6 Hours
59°F / 15°C6 & 8 Hours
64°F / 18°C12 & 2 Hours
68°F / 20°C12 & 4 Hours
72°F / 22°C12 & 6 Hours
78°F / 25°C12 & 8 Hours

Smart Tags™ can be customized to your business needs

Ask Our Experts About Customization

Learn About the Other Components of the VSDS

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(312) 819-7003