PXLE-4339 NATIONAL INSTRUMENTS Digit Multimeter

PXLE-4339 NATIONAL INSTRUMENTS Digit Multimeter

Maximum Working Voltage

Maximum working voltage refers to the signal voltage plus the common-mode voltage.

Channel-to-earth 11 V, 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 lowvoltage sources, and electronics.

Caution Do not use for measurements within Categories II, III, or IV.

Note Measurement Categories CAT I and CAT O (Other) are equivalent. These test

and measurement circuits are not intended for direct connection to the MAINS

building installations of Measurement Categories CAT II, CAT III, or CAT IV.

PXI-6120  

PXIE-6366

PXI-6289

PXIE-7961R

PCI-8517

PXI-2545

PXI-7952R

PXI-6723

PCI-6031E

PXIE-7962R

CDAQ-9171

PXIE-1095

PCI-4474

PXI-6115

PXI-2596

PXI-6515

PCIE-8381

PXIE-1082

PXIE-8135

PXIE-7976R

NI-5791

PXI-6224

CDAQ-9181

PXI-2597

PCI-6224

PXI-8331

NI-9250

PXI-6238

PXIE-6358

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