Agilent Technologies N2780B Manual de usuario descargar pdf (Pagina 10)

Types of probes (continued)

Current probes

Current probes sense the current flow-

ing through a conductor and convert

it to a voltage that can be viewed and

measured on an oscilloscope. Agilent

current probes use a hybrid technology

that includes a Hall-effect sensor,

which senses the DC current, and a

current transformer, which senses the

AC current. Using split core construc-

tion, the current probe easily clips

on and off of a conductor, making it

unnecessary to make an electrical con-

nection to the circuit. Measurement

bandwidths from DC to 100 MHz are

available.

Current probe characteristics

Model Probe type Probe bandwidth Max input current Applications and use

Oscilloscope

compatibility

1146A AC/DC current,

0.1 V/A

(0-10 A peak)

or 0.01 V/A

(0-100 A peak)

100 kHz 100 A peak • AC line, motors,

automotive current

measurement

• Requires 9-Vdc battery

High-impedance BNC input

1147B

AC/DC current,

0.1 V/A

50 MHz 15 A peak

continuous, 30 A

peak non-continuous

Motors, switching power

supplies, magnetic-device

current measurements

High-impedance AutoProbe

input

N2893A

AC/DC current

0.1 V/A

100 MHz 15 A peak

continuous,

30 A peak

non-continuous

Motor, switching power

supplies, magnetic device

current measurements

High-impedance AutoProbe

input

N2780B

AC/DC current,

0.01 V/A

2 MHz 500 Arms continuous

700 A peak

non-continuous

Motors, switching power

supplies, line currents

High-impedance BNC input

N2781B

AC/DC current,

0.01 V/A

10 MHz 150 Arms continuous

300 A peak

non-continuous

Motors, switching power

supplies, transformers

High-impedance BNC input

N2782B

AC/DC current,

0.1 V/A

50 MHz 30 Arms continuous

50 A peak

non-continuous

Switching power supplies,

amplifiers, magnetic

devices

High-impedance BNC input

N2783L

AC/DC current

0.1V/A,

5 m cable

80 MHz 30 Arms continuous

50 A peak

non-continuous

Automotive device

measurement

High-impedance BNC input

N2783B

AC/DC current,

0.1 V/A

100 MHz 30 Arms continuous

50 A peak

non-continuous

Switching power

supplies, low current

measurements

High-impedance BNC input

1 To use the 1146A or N2780B Series current probe with Infiniium 80000, 90000, or 5485xA Series scope, order E2697A 1-MΩ high-impedance adapter.

2 Requires N2779A 3-channel power supply.

3 Compatible with 3000X, 5000, 6000 (300MHz-1GHz), 7000, 9000, 90000X/Q Series only. Use N5449A for use with 90000X/Q.

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