Humidity Indicator Card 6 spot 200 Pcs Tin
Reading 10% 20% 30% 40% 50% 60 % humidity
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Cobalt series humidity indicator Cards 200pcs
High sensitivity, accurate indication: Indicator containing CoC12 is very sensitive to humidity.
Obvious effects in color change: Cobalt containing series humidity indicator is blue when dry, and changes into pink after absorbing moisture, the contrast effect between different colors is very obvious.
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