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SAFETY, ENVIRONMENTAL, AND REGULATORY INFORMATION

VB-8054

4-Channel, 500 MHz Bandwidth Oscilloscope VirtualBench

 (All-In-One Instrument)

This document includes compliance precautions and connection information for the VB-8054.

Note

 

The guidelines in this document are specific to the VB-8054.

Safety Guidelines

The following section contains important safety information that you must follow when installing and using the VB-8054.

Do not operate the hardware in a manner not specified in this document and in the user documentation. Misuse of the hardware can result in a hazard. You can

compromise the safety protection if the hardware is damaged in any way. If the hardware is damaged, return it to National Instruments for repair.

Hazardous Voltage

 

This icon denotes a warning advising you to take precautions to avoid electrical shock.

Caution

 

Do not operate the VB-8054 in a manner not specified in this document. Product misuse can result in a hazard. You can compromise the

safety protection built into the product if the product is damaged in any way. If the product is damaged, return it to National Instruments for repair.

Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.

Do not substitute parts or modify the hardware except as described in the 

NI VirtualBench Help

. Use the hardware only with the accessories and cables

specified in the 

NI VirtualBench Help

 or 

NI VirtualBench VB-8054 Specifications

.

Do not operate the hardware in an explosive atmosphere or where there may be flammable gases or fumes.

You must insulate signal connections for the maximum voltage for which the hardware is rated. Do not exceed the maximum ratings for the hardware. Do not

install wiring while the hardware is live with electrical signals. Do not remove or add connector blocks when power is connected to the system. Avoid contact

between your body and the connector pins when hot-swapping hardware. Remove power from signal lines before connecting them to or disconnecting them

from the hardware.

Operate the device only at or below Pollution Degree 2. Pollution is foreign matter in a solid, liquid, or gaseous state that can reduce dielectric strength or

surface resistivity. The following is a description of pollution degrees:
• Pollution Degree 1 means no pollution or only dry, nonconductive pollution occurs. The pollution has no influence.
• Pollution Degree 2 means that only nonconductive pollution occurs in most cases. Occasionally, however, a temporary conductivity caused by condensation

must be expected.

• Pollution Degree 3 means that conductive pollution occurs, or dry, nonconductive pollution occurs that becomes conductive due to condensation.

Operate the DMM on the device at or below Measurement Category II

1

. Operate the mixed signal oscilloscope, function generator (FGEN), external trigger

(TRIG), digital I/O, and DC power supply on the device at or below Measurement Category I. Measurement circuits are subjected to working voltages

2

 and

transient stresses (overvoltage) from the circuit to which they are connected during measurement or test. Measurement categories establish standard impulse

withstand voltage levels that commonly occur in electrical distribution systems. The following is a description of measurement categories:
• Measurement Categories CAT I and CAT O (Other) are equivalent and are for measurements performed on circuits not directly connected to the electrical

distribution system referred to as MAINS

3

 voltage. 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.

• 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). Examples of Measurement

Category II are measurements performed on household appliances, portable tools, and similar E Series devices.

• Measurement Category III is for measurements performed in the building installation at the distribution level. This category refers to measurements on hard-

wired equipment such as equipment in fixed installations, distribution boards, and circuit breakers. Other examples are wiring, including cables, bus-bars,

junction boxes, switches, socket-outlets in the fixed installation, and stationary motors with permanent connections to fixed installations.

• Measurement Category IV is for measurements performed at the primary electrical supply installation (<1,000 V). Examples include electricity meters and

measurements on primary overcurrent protection devices and on ripple control units.

To obtain the safety certification(s) for this product, visit 

ni.com/certification

, search by model number or product line, and click the appropriate link in the

Certification column.

Safety Voltages

Connect only voltages that are within these limits.

1

Measurement Category is defined in electrical safety standard IEC 61010-1. Measurement Category is also referred to as Installation Category.

2

Working voltage is the highest rms value of an AC or DC voltage that can occur across any particular insulation.

3

MAINS is defined as a hazardous live electrical supply system that powers equipment. Suitably rated measuring circuits may be connected to the MAINS

for measuring purposes.

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