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Checking the Ambient Air, Penetrant and Component Temperature
Figure 1-3
Figure 1 — Penetrant line with a bimetal dial thermometer,
often used to check ambient air temperature.
Figure 2 — A glass bulb thermometer being used to
check penetrant solution temperature.
Figure 3 — Digital stem thermometer with vents for checking ambient air
temperature and an infrared thermometer for checking part temperature.
Note the difference between the two temperature readings.
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