LCR Meters: Precise impedance measurement for passive components


Chroma LCR meters measure inductance (L), capacitance (C), and resistance (R) of components during R&D, production, QA, and incoming inspection.

Some of the key features to look for in an LCR meter or impedance meter are accuracy, test frequency, measured parameters, test voltage, and test current. Component testing often requires much more than a simple resistance, capacitance or inductance value at a given test frequency and stimulus voltage. LCR meters must have the flexibility to provide multiple parameters over wide frequency and voltage ranges. Additionally, an easy to understand display of the test results and the ability to access those results increases productivity.

We know you have a choice when selecting an LCR Meter, but the advantage is clear with Chroma. We invest more in R&D than any other manufacture, so you can be sure you are getting the most out of your lab’s equipment budget.

Advantages include:

  • Higher accuracy and frequencies to 30 MHz
  • Multiple parameters over wide frequency and voltage ranges
  • Parameter Sweep (plot/table modes)
  • 7ms high speed measurement
  • Open/short zeroing and load correction functions
  • Able to apply up to 300A of bias current when used with Chroma 1320 Bias Current Sources
All of our LCR Meters are designed to satisfy both automated test system and laboratory benchtop requirements.

White Paper: LCR Measurement Primer

What is Impedance? What are the measurements of Impedance? This primer defines and explains the measurement of the impedance parameters known as L (inductance), C (capacitance), and R (resistance). Impedance parameters are characteristic of an AC circuit; this primer describes the impedance measurements that are typically used, including their equations. Also described are the connections to the device under test, and how to use test instruments to precisely measure impedance. In addition, primer describes the testing of individual passive components for inductance, capacitance, and resistance.

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LCR Meters, Impedance Measurement Equipment

50kHz LCR Meter by Chroma

10kHz LCR Meter
11021
Primary: L/C/R/┃Z┃
Secondary: Q/D/ESR/Xs/ θ
100Hz ~ 10kHz
0.25V/1V

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50kHz LCR Meter by Chroma

50kHz LCR Meter
11021-L
Primary: L/C/R/┃Z┃
Secondary: Q/D/ESR/Xs/ θ
100Hz ~ 50kHz
0.25V/1V, 50mV/1V

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100kHz LCR Meter by Chroma

100kHz LCR Meter
11022
L/C/R/┃Z┃/Q/D/ESR/X/ θ
50Hz ~ 100kHz
10mV to 1V in steps of 10mV
Basic Accuracy: 0.1%

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100kHz LCR Meter by Chroma

100kHz LCR Meter + Turns Ratio
11025
L/C/R/┃Z┃/Q/D/ESR/X/ θ
DCR4/M/Turns Ratio/L2/DCR2
50Hz ~ 100kHz
10mV to 1V in steps of 10mV

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LCR Meter - 11050 - by Chroma

5MHz High Frequency LCR Meter
11050-5M
L/C/R/Z/Y/DCR/Q/D/ θ
60Hz ~ 5MHz
10mV ~ 5V
Basic Accuracy: 0.1%
Detachable display for production line testing

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LCR Meter - 11050 - by Chroma

10MHz High Frequency LCR Meter
11050
L/C/R/Z/Y/DCR/Q/D/ θ
1kHz ~ 10MHz
10mV ~ 5V
Basic Accuracy: 0.1%
Detachable display for production line testing

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LCR Meter - 11050 - by Chroma

30MHz High Frequency LCR Meter
11050-30M
L/C/R/Z/Y/Q/D/ θ
75kHz ~ 30MHz
10mV ~ 1V
Basic Accuracy: 1.5%
Detachable display for production line testing

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Capacitor Leakage Current / IR Meter

Capacitor Leakage Current/IR Meter
11200 series
LC/IR
Test Signal Monitoring Function
DC 1~650V, 800V / 0.5mA~500mA
Basic Accruacy: 0.3%

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