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NI 9514 Operating Instructions and Specifications
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© National Instruments
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33
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-COM .............................. 0 to +30 VDC max,
Measurement Category I
Isolation
Channel-to-channel .................... None
Channel-to-earth ground
Continuous ........................... 30 VDC,
Measurement Category I
Withstand ............................. 500 Vrms, verified by a 5 s
dielectric withstand test
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.
Содержание NI 9514
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