environmental-friendly
Easy to use; easy to read; quick to judge humidity
High precision of humidity-sensitivity
Reusable

30-40-50% RH Humidity Indicator

This card is the current military standard, and is approved by all governmental agencies, the Department of Defense, and NATO for use in specified Method II packaging. This card's versatile application has made it one of the top sellers. This indicator card monitors humidity at levels of 30, 40 and 50% RH. Holes in the center top and bottom are standard for attaching.

Specifications:

Shipping Wt.: 433g per can Packaged: 250pcs per pint can Printing: Heavy Black on White Indicating Spots: 30 - 50 % RH Material: Blotting Paper Lead free ROHs compliantDimensions: 2" x 3"