humidity-indicator

Humidity Indicator Strips- #HG1

$12.75

Product Description

Measures humidity and temperature in herbarium cases. As humidity increases the chemically impregnated spots change from blue(dry) through lavender to pink(humid). Accurate of +/- 5% R.H. at 75 degrees F. Unit of 5 cards.

SKU: HG1_240 Categories: ,