Welch Allyn/Hillrom Tycos DS58 Hand Aneroid SphygmomanometerWelch Allyn Hillrom Tycos DS58 Hand Aneroid Sphygmomanometer The Welch Allyn Tycos DS58 Hand Aneroid Sphygmomanometer has fewer moving parts than traditional sphygmomanometers. It features a lightweight and shock resistant gauge that can withstand a fall of up to 30 inches onto a hard surface and still remain accurate. SKU Product Description Key Technical Details Welch Allyn Hillrom DS58 11 Platinum Series Adult Hand Aneroid DS58 Gauge; Size 11 Adult