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♻️ Stay ahead of moisture with precision you can see!
Dry & Dry Premium Humidity Indicator Cards offer 12 reusable cards that accurately measure relative humidity from 10% to 60% using 6 color-changing spots. Designed for enclosed spaces, these industry-leading cards provide clear, reversible blue-to-pink color shifts to continuously track moisture levels without batteries. Ideal for professionals managing sensitive environments, they combine precision, durability, and eco-conscious reuse in a compact tabletop format.
| ASIN | B07D7LSZZP |
| Battery Description | No batteries needed |
| Battery description | No batteries needed |
| Best Sellers Rank | 287,019 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 4,969 in Blank Greeting Cards |
| Brand | Dry & Dry |
| Colour | blue |
| Customer Reviews | 4.0 out of 5 stars 127 Reviews |
| Item Weight | 0.02 Kilograms |
| Item weight | 0.02 Kilograms |
| Manufacturer | Dry & Dry |
| Manufacturer Part Number | DDHUMID20PK-6 DOT |
| Model Number | DDINCCRD10 |
| Mounting Type | Tabletop |
| Mounting type | Tabletop |
| Operating Humidity | 10-60% |
| Operating humidity | 10-60% |
| Smart Home Compatibility | Not Smart Home Compatible |
| Temperature Accuracy | 2 |
| UPC | 712396969211 |
| Unit Count | 12.0 count |
| Upper Temperature Rating | 30 Degrees Celsius |
J**N
quite hard ro read
the first oreder 'got lost' but i received a credit and ordered again...but the price had gone up! the spots eem to react to the humidity quite well, but the colour change is not terribly clear, quite suntle really.
P**L
Non reversible colour change
I understood this product to be able to change colour back multiple times. However when I removed it from its packaging all dots turned pink and never returned back to blue again.
F**D
Erfüllt den Zweck
Etwas schlecht zu erkennen der Farbwechsel.
J**S
cheaper way to check humidity conditions on your 3d filaments.
This were not that expensive way to test humidity on my 3d filament spools. I have them inside the automatic feeder, and on clear bags with my filaments. I have used these types of testers when working as a quality inspector, to make sure the packaging was not affected and still protected the product from humidity. However, these strips, are not very strong on identifying the level of humidity, since the color is hard to distinguish if it is one or the other. So it is difficult to read if they are working fine or not.
M**.
The best way to monitor 3D print filament, once you figure out the color shift
I have a host of 3D filament spools and like to store them all in dry storage boxes, some are used infrequently and I'll store unopened spools as well. I bought the cheap $2 humidity sensors but they won't register below 20% and can't be used for really dry environments. These moisture indicating strips are cheaper and more accurate. They are really designed for dry storage measurements. The only downside is they are hard to read and it takes some "practice" to translate the lavender color to moisture value. I initially used a lab grade sensor as a reference and added it to some boxes with a strip to help me understand the color shift. I'm used to seeing the mostly blue dots and can pretty easily tell when the desiccant needs to be recharged. These are much better at monitoring dry storage than the cheapo humidity gages and I highly recommend.
K**.
Completely useless
These don't do anything at all. As far as I can tell, they might as well just be printed with regular ink. Spots started off pink and have remained pink after several months locked in a fire safe with several packs of dessicant; for reference my home is pretty well regulated at around 45% humidity, but the cards never showed anything like that, inside or outside of the safe.
Trustpilot
1 month ago
3 weeks ago