National Instruments NI 9403, Руководство по началу работы

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Safety Voltages
Connect only voltages that are within the following limits:
Channel-to-COM ±30 V maximum on up to
8 channels at a time,
Measurement Category I
Isolation
Channel-to-channel None
Channel-to-earth ground
Continuous 60 VDC, Measurement
Category I
Withstand
up to 3,000 m altitude 1,000 Vrms, verified by a 5 s
dielectric withstand test
up to 5,000 m altitude 860 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
NI 9403 Getting Started Guide | © National Instruments | 3