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Temperature Monitoring

Thermometer Labels Provide Continuous Temperature Monitoring Without Batteries or Glass

Thermochromic Liquid Crystals (TLC)

Thermochromic liquid crystals, similar to liquid crystal displays, are color changing crystals that undergo a reversible thermally induced color change. Traditional TLC’s are microencapsulated and coated on a black backing. As they approach their temperature rating they pass through the colors of the spectrum in sequence from tan to green to blue before turning back to black. They are calibrated to display green at a rated temperature. TLC’s can possess acute thermal sensitivity, detecting temperature changes as small as 0.2ºF and are available from -22⁰F to 248⁰F. LCR Hallcrest has developed and offers a single color liquid crystal that transitions from black to color without going through the colors of the spectrum, making it easier to read.

Applications:

  • Medical / Healthcare
  • Maintenance
  • Manufacturing
  • Food & Beverage
  • Aquarium Thermometers
  • Water Temperature
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Single-color 5-level horizontal display label

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