The Boveda 75.5% Humidity Calibration Kit is a simple and accurate solution for testing and calibrating hygrometers. Pre-engineered to maintain a stable 75.5% relative humidity, this kit allows users to easily verify the accuracy of their humidity measuring devices.

Simply place your hygrometer inside the sealed bag with the Boveda pack. After approximately 24 hours, compare the reading to the standard 75.5% to determine any deviation and adjust accordingly.

Key features:

• High accuracy with industry-standard calibration
• Easy to use, no need for salt solution preparation
• Convenient design, reusable under proper conditions
• Ideal for cigar humidors, musical instruments, and storage environments