Experience Precision Timing Precision Timing with HN70

The HN70 standard sets forth a comprehensive framework for manufacturers of hourglasses to ensure that their products measure time accurately. This standard includes rigorous testing protocols to verify that each hourglass reliably transfers sand from the upper chamber to the lower chamber in one full minute, providing both manufacturers and consumers with confidence in their timekeeping

With HN70 certification, consumers can rest assured that their hourglasses meet the highest standards of accuracy. This certification guarantees that every hourglass performs consistently, making it the perfect choice for those seeking reliable timekeeping methods in their daily lives or special events