National Instruments NI 9246, Руководство по началу работы

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Safety Voltages
Connect only voltages that are within the following limits:
Maximum working voltage,
channel-to-earth ground
Continuous
........................................... Up to 2,000 m
altitude
300 Vrms, Measurement
Category III
........................................... Up to 5,000 m
altitude
150 Vrms, Measurement
Category III or 300 Vrms,
Measurement Category II
Maximum working voltage,
channel-to-channel
Continuous
........................................... Up to 2,000 m
altitude
480 Vrms, Measurement
Category III
........................................... Up to 5,000 m
altitude
300 Vrms, Measurement
Category III or 480 Vrms,
Measurement Category II
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