HTS code 9902.17.38 covers "Local area network (LAN) eXtensions for Instrumentation (LXI) data acquisition/switch units, each having both a universal serial bus (USB) and LAN terminal using the LXI standard, having a 3-slot mainframe in rear for plug-in modules, capable of measuring 11 different input signals and having a built-in digital multimeter (DMM) with 6-1/2 digits (22 bits) of resolution (provided for in subheading 9030.89.01)." under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.