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HOME Test and Measurement Meters LCR Meters Keysight Technologies (Agilent HP) 4274A For Sale Agilent 4274A-002

Agilent 4274A-002

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Agilent 4274A-002

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Description of Agilent 4274A-002

Categories: Meters, LCR Meters

Manufacturer: Keysight Technologies (Agilent HP)

Model: 4274A

Condition: Used

Seller: Test Equipment Connection Corp.

Keysight (formerly Agilent) 4274A-002 The 4274A Multi-Frequency LCR Meter is a microproces

The 4274A Multi-Frequency LCR Meter is a microprocessor based impedance measuring instrument making the evaluation of LCR components, complex components, and semiconductor materials quick-and-easy. A wide range of components can be tested with the 4274A due to its wide frequency range of 100Hz to 100kHz and test signal levels of 1 mV to 5 VRMS. The meter measures equivalent series resistance (ESR), impedance (|Z|), phase angle (Theta), reactance (X), susceptance (B), and conductance (G), in addition to the conventional L, C, R, D and Q parameters. The 4274A measures only the value of the component and/or device under test, with 5 1/2-digit resolution and 0.1% basic accuracy by reducing the possibility of errors due to self or mutual inductance, stray capacitance and/or residual inductance in the test leads or test fixture used. This measurement is obtained by a four terminal pair configuration and a built in automatic zero offset to compensate for these errors. A self test provides an automatic operational verification check indicating a pass or fail condition. Manufacturer'sStandard AccessoriesDirect Coupled Test Fixture Recommended Accessories Manufacturer'sOptionsOption 001 = Internal DC Bias Supply, 0-?35V, 1 mV stepsOption 002 = Internal DC Bias Supply, 0-?99.9V, 100 mV stepsOption 003 = Battery Backup for Memory CircuitsOption 004 = Frequency Steps in 1-3-5 SequenceOption 101 = HP-IB Data Output and Remote ControlOption 102 = HP-IB with IsolationOption
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Product specifications of Agilent 4274A-002 (From Used-Line T&M Specifications)

  • Launch Date
  • Alternative E4980A Precision LCR Meter, 20 Hz to 2 MHz
  • See also 4275A
  • Status Discontinued by Manufacturer

The HP 4274 multi-frequency LCR meter is a high performance, fully automatic test instrument designed to measure the various component measurement parameter values of an impedance element in the relatively low frequency region. The 4274 measures inductance (L), capacitance (C), resistance (R), dissipation factor (D), quality factor (Q), conductance (G), susceptance (B), reactance (X), and in addition, the absolute value of the vector impedance (|Z|) and phase angle, over a wide range with high accuracy and speed. The wide range measurement capabilities of the 4274A are enhanced by the 13 spot test frequencies selectable from 100 Hz up to 100 kHz in a 1-2-4-10 sequence, including two optional frequencies.

The test signal can be flexibly set at the desired amplitude within the range of 1 mV to 5 Vrms by front panel controls. The multi-spot test frequency and test level control functions featured in the 4274A permit measuring the device to be tested under the practical test conditions at which it actually operates. When it is necessary to test a component for its specified performance, the 4274A can take measurements under normal operating test conditions. Thus, the 4274A is a truly versatile instrument that can respond to the diverse measurement requirements in research, circuit design, production testing, and QA inspection areas.

Another advantage of the variable test signal capability is that it becomes easy to measure non-linear impedance elements whose parameters are strongly dependent on their operating conditions, such as inductors and semiconductor devices.

Together, the 4274A and 4275A LCR meters comprise a stand-alone precision LCR measuring system that covers the frequency range of 100 Hz to 10 MHz with a basic accuracy of 0.1%.

For all measurement, a choice of the desired test parameters in flexible combinations is enabled. A built-in multimeter displays test frequency setting, or alternatively, the test signal voltage or current for monitoring test signal level applied to the DUT.

  • Parameters measured: C, L, R, |Z|, D, Q, ESR, G, X, B, phase. Deviation and percent deviation for C, L, R, |Z|
  • Measurement circuit modes: Auto, series, parallel, with parameter combinations in series and parallel modes
  • Display
    • Normal mode: 4-1/2 digit, count 19999
    • High resolution mode: 5-1/2 digit, count 199999
  • Auto and manual range modes
  • Measurement frequencies: 100 Hz - to 100 kHz
  • Test signal level: 1 mV to 5 Vrms, continuously variable in 4 ranges
  • Deviation measurement: When REF VALUE STORE button is pressed, the existing measured value is stored as a reference value. Next, pressing Deviation or Percent Deviation button offsets displayed value to zero. Deviation is displayed as the difference between the referenced value and subsequent result
  • Offset adjustment for the compensation of stray capacitance, residual inductance, resistance, and conductance
  • Self test
  • DC bias: Two external DC input connectors on rear panel
  • DC bias monitor: Bias voltage monitor ouput for both internal and external biases, BNC connector
  • Trigger: Internal, external, or manual

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