NI WSN-3230/3231 User Guide and Specifications 30 ni.comSafety StandardsThe NI WSN-3230/3231 is designed to meet the requirements of the following standards of safety forelectrical equipment for measurement, control, and laboratory use:• IEC 61010-1, EN 61010-1• UL 61010-1, CSA 61010-1Note For UL and other safety certifications, refer to the product label, or go to ni.com/certification, search by model number or product line, and click the appropriate link in theCertification column.Hazardous LocationsU.S. (UL) ...............................................................Class I, Division 2, Groups A, B, C, D, T4;Class I, Zone 2, AEx nC IIC T4Canada (C-UL) ......................................................Class I, Division 2, Groups A, B, C, D, T4;Class I, Zone 2, Ex nL IIC T4Europe (DEMKO)..................................................Ex nA nL IIC T4RF Safety WarningThis equipment complies with FCC radiation exposure limits set for uncontrolled equipment and meetsthe FCC radio frequency (RF) Exposure Guidelines in Supplement C to OET65. This product generatesand radiates radio frequency energy. To comply with the radio frequency radiation exposure guidelinesin an uncontrolled environment, this equipment should be installed and operated with at least 20 cmbetween the radiator and the person’s body (excluding extremities: hands, wrists, feet, and legs).This equipment complies with the European Council Recommendation (1995/519/EC) on the limitationof exposure of the general public to electromagnetic fields. Compliance was determined in accordancewith the requirements in EN 50371.EnvironmentalFor outdoor use, mount the system in a suitably rated enclosure.Operating temperature(IEC-60068-2-1 and IEC-60068-2-2) ....................–40 to 70 °CStorage temperature(IEC-60068-2-1 and IEC-60068-2-2) ....................–40 to 85 °COperating humidity (IEC-60068-2-56)..................10 to 90% RH, noncondensingStorage humidity (IEC-60068-2-56)......................5 to 95% RH, noncondensingPollution Degree (IEC 60664) ...............................2, indoor use onlyMaximum altitude..................................................2,000 mIndoor use only.Shock and VibrationOperating vibration, random (IEC 60068-2-64) ....5 g rms, 10 to 500 HzOperating shock (IEC 60068-2-27) .......................30 g, 11 ms half sine,50 g, 3 ms half sine,18 shocks at 6 orientationsOperating vibration, sinusoidal (IEC 60068-2-6) ....5 g, 10 to 500 Hz