Safety Voltages
Connect only voltages that are within the following limits:
Isolation
Channel-to-channel
Continuous
60 VDC,
Measurement Category I
Withstand
1000 Vrms, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous
60 VDC,
Measurement Category I
Withstand
1000 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
NI 9222 Getting Started Guide
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© National Instruments
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