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NI USB-9215 Series User Guide and Specifications 20 ni.com
Safety
If you need to clean the module, wipe it with a dry towel.
Safety Voltages
NI USB-9215 with Screw Terminal Safety Voltages
Connect only voltages that are within these limits.
Channel-to-COM ....................................±30 V max
Isolation
Channel-to-channel..........................No isolation between channels
Channel-to-earth ground
Withstand .................................2,300 V
rms
, 5 seconds max
Continuous ...............................250 V
rms
,
Measurement Category II
Measurement Category II is for measurements performed on circuits
directly connected to the electrical distribution system. This category refers
to local-level electrical distribution, such as that provided by a standard
wall outlet (for example, 115 V for U.S. or 230 V for Europe). Do not use
this module with Measurement Category III or IV voltages.
NI USB-9215A with BNC Safety Voltages
Connect only voltages that are within these limits.
AI+-to-AI–..............................................±30 V max
Isolation
Channel-to-channel..........................No isolation between channels
Channel-to-earth ground
Withstand .................................1,500 V
rms
, 5 seconds max
Continuous ...............................60 VDC,
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. Do not
use this module with Measurement Category II, III, or IV voltages.