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© National Instruments Corporation 23 USB-6008/6009 User Guide and Specifications
Voltages
Connect only voltages that are within these limits.
Channel-to-GND....................................±30 V max,
Measurement Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution Do not use this module for connection to signals or for measurements within
Measurement Categories II, III, or IV.
Hazardous Locations
The USB-6008/6009 are not certified for use in hazardous locations.
Environmental
The USB-6008/6009 device is intended for indoor use only.
Operating temperature
(IEC 60068-2-1 and IEC 60068-2-2).....0 to 55 °C
Operating humidity
(IEC 60068-2-56)...................................10 to 90% RH, noncondensing
Maximum altitude..................................2,000 m (at 25°C ambient
temperature)
Storage temperature
(IEC 60068-2-1 and IEC 60068-2-2).....–40 to 85 °C
Storage humidity
(IEC 60068-2-56) ..................................5 to 90% RH, noncondensing
Pollution Degree (IEC 60664) ............... 2