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OPERATING INSTRUCTIONS AND SPECIFICATIONS - page 16 / 24

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Safety

Maximum Voltage1 Connect only voltages that are within the following limits.

Vsup-to-COM.....................................36 VDC, Measurement Category 1

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.

Caution Do not connect the NI 9476 to signals or use for measurements within Measurement Categories II, III, or IV.

1

The maximum voltage that can be applied or output between Vsup creating a safety hazard.

and COM without

NI 9476 Operating Instructions and Specifications

16

ni.com

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