Dry & Dry Humidity Indicator Cards (250 Pack) 6 Spot
Reusable humidity indicator cards that change color from blue (dry) to pink (humid). Suitable for monitoring storage conditions; customers note accuracy and professional quality, with mixed readability of color change
Highlights
- color-change indicator
- reusable 20+ times
- bulk pack of 250
Pros
- reusable for 20+ uses
- clear color-change indicator
- high quality and accuracy
- includes 250 cards for ample coverage
Cons
- readability of color change may vary
- cards should not contact foods or medications
Best For
Features
- 250 reusable humidity indicator cards (10%–60% RH) with 6 spots
- Color change from blue (Dry) to pink (Humid) for RH reading
- Stable readings in enclosed spaces; not intended for direct contact with foods or medications
- Initial color changes may occur on opening; allow ~30 minutes to calibrate for reading
- Sensitive to temperature, humidity, atmospheric pressure, and wind effects
