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© National Instruments Corporation 21 NI USB-9237 User Guide and Specifications
Operating humidity
(IEC 60068-2-56)................................... 10 to 90% RH,
noncondensing
Storage humidity
(IEC 60068-2-56)................................... 5 to 95% RH,
noncondensing
Maximum altitude .................................. 2,000 m
Pollution Degree (IEC 60664) ............... 2
Electromagnetic Compatibility
This product is designed to meet the requirements of the following
standards of EMC for electrical equipment for measurement, control,
and laboratory use:
• EN 61326 EMC requirements; Minimum Immunity
• EN 55011 Emissions; Group 1, Class A
• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A
Note For EMC compliance, operate this device with double-shielded cables.
CE Compliance
This product meets the essential requirements of applicable European
Directives, 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 additional
regulatory compliance information. To obtain the DoC for this product, visit
ni.com/certification, search by model number or product line, and click the
appropriate link in the Certification column.