The lens of the IRt/c sensor is an optical instrument. Like a camera or eye glasses, a dirty lens will distort the view. If the Micro IRt/c - IRt/c is unable to see the heat clearly, it will be unable to measure it accurately, resulting in low readings.

Step 1:

Take one cotton tip out of the package.

Step 2:

Put the with alcohol-soaked side softly into the sensor and softly clean the lens by rotating the cotton tip.

Step 3:

Take one optical lens wipe out of the package.

Step 4:

Softly clean the lens with the optical lens wipe.

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