11 Level Vertical Thermometer Temperature Strips 11 Level Thermometer. These temperature indicator labels are self-adhesive and indicate the current temperature. They are ideal for preventative maintenance checks to ensure overheating is not taking place. The temperature is indicated by the highest red segment. Self-adhesiveEasy to read2 to 3 minutes for a correct reading50 micron clear polyesterSize €“ 51mm high, 18mm wideAccuracy +/- 1CAdhesive €“ Modified acrylic adhesive suitable for most surfacesPacks of 10