© National Instruments Corporation 23 NI USB-9219 User Guide and SpecificationsEnvironmentalThe USB-9219 is intended for indoor use only but may be used outdoors ifinstalled in a suitable enclosure.Operating temperature(IEC 60068-2-1, IEC 60068-2-2)........... 0 to 60 °CStorage temperature(IEC 60068-2-1, IEC 60068-2-2)........... –40 to 85 °CIngress protection ................................... IP 40Operating humidity(IEC 60068-2-56)................................... 10 to 90% RH, noncondensingStorage humidity(IEC 60068-2-56)................................... 5 to 95% RH, noncondensingMaximum altitude .................................. 2,000 mPollution Degree (IEC 60664) ............... 2Electromagnetic CompatibilityThis product is designed to meet the requirements of the followingstandards of EMC for electrical equipment for measurement, control,and laboratory use:• EN 61326 EMC requirements; Industrial Immunity• EN 55011 Emissions; Group 1, Class A• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class ANote For EMC compliance, operate this device with shielded cabling.CE ComplianceThis product meets the essential requirements of applicable EuropeanDirectives, as amended for CE marking, as follows:• 2006/95/EC; Low-Voltage Directive (safety)• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)Note Refer to the Declaration of Conformity (DoC) for this product for any additionalregulatory compliance information. To obtain the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate linkin the Certification column.