Medical Flexible PET Color Changing Thermometer Strip for Baby Forehead 32 42

Flexible PET Color Changing Thermometer Strip ,No Mercury Contained And Unbreakable

Quick Detail

1.  Accuracy : ± 1
2.  Temperature range :3242
3.  Material : PET
4.  Size :50*11.5 mm
5.  Principle : Liquid crystal heat sensitive color change
6.  Note : Keep it in shady and cool
7.  Valid date : 2 years
8.  Usage : Measure the temperature.

Description:

The color changing thermometers are made of cholesterol, which are called cholesteric liquid crystals. The molecules are rod-shaped. The labels show colors by selectively reflecting incident white light. Conventional temperature-sensitive mixtures, in thin films, reflect bright, almost pure colors, turning from colorless ( black, against a black background ) to red at a formulated temperature and, as the temperature is increased, pass through the other colors of the visible spectrum in sequence ( orange, yellow, green, blue and violent ) before turning colorless (black) again at a higher temperature still. The color changes are reversible and on cooling the color change sequence is reversed. 

PLEASE NOTE: Exposing temperature labels above 250°F / 122°C for extended periods will damage and/or destroy the liquid crystals.

The liquid crystals are usually encapsulated, packaged in microscopic plastic spheres.
This allows the material to be cut. they are also thermally rugged which allows them to
be laminated to protect them from hard handling in a high temperature laminating
machine.

BLUE bar highlighted is below the actual temperature reading.

GREEN bar highlighted is the actual temperature reading

RED/BROWN bar highlighted is above the actual temperature reading.

Specifications

Application:

·                       Forehead Thermometers

·                       Diagnostic Test Kits (Urine Tests)

·                       Machine Sealing Verification Labels

·                       Propane Gas Level Labels

·         &