Power requirements, Physical characteristics, Safety – National Instruments NI 9233 User Manual
Page 25: Safety voltages
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NI 9233 Operating Instructions and Specifications
Power Requirements
Power consumption from chassis
Active mode ............................... 620 mW max
Sleep mode ................................. 0.5 mW max
Thermal dissipation (at 70 °C)
Active mode ............................... 640 mW max
Sleep mode ................................. 0.5 mW max
Physical Characteristics
If you need to clean the module, wipe it with a dry towel.
Weight............................................... 173 g (6.1 oz)
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-earth ground................... ±30 V max
Isolation
Channel-to-channel .................... None
Channel-to-earth ground ............ None