Humidity Indicator Cards

Humidity Indicator Cards provide a simple and reliable method for monitoring relative humidity levels in sealed packaging and controlled environments. They are available in two formats to suit different application requirements: 6-Spot Indicator Card – Measures relative humidity at six key levels (10%, 20%, 30%, 40%, 50%, and 60% RH), offering a wide monitoring range for general industrial and packaging use. Single-Spot 8% RH Card – Designed for high-precision applications, this format provides accurate detection at 8% RH, making it ideal for protecting ultra-sensitive products such as electronics and moisture-critical components. Easy to use and highly dependable, Humidity Indicator Cards enable quick visual assessment of humidity conditions, supporting effective moisture control and product protection.