Computer Board LCR Meters
Last Updated: April 1, 2025
Description
Computer Board LCR Meters are specialized instruments designed to measure the inductance (L), capacitance (C), and resistance (R) of electronic components. These meters are essential tools for engineers and technicians, providing precise measurements of these fundamental electrical properties.
Working Principle
LCR meters operate by applying either a constant voltage and measuring the resulting current or by applying a constant current and measuring the resultant voltage. This allows the device to calculate the impedance of the component under test. The auto-balancing bridge technology used in some LCR meters, such as the R&S LCX, supports conventional impedance measurements by measuring the AC voltage and current, including the phase shift, to calculate complex impedance at any given operational point . This functionality is crucial for assessing the quality and performance of electronic components.
Applications
LCR meters are used in a variety of applications, including the measurement of equivalent series resistance (ESR) and equivalent series inductance (ESL) of electrolytic capacitors and DC-link capacitors. They are also employed in testing transformers and measuring DC resistance, as well as performing dynamic impedance measurements with frequency, voltage, or current as the swept parameter .
Advantages over other LCR Meters
The R&S LCX LCR meter, for example, offers a wide frequency range from 4 Hz to 10 MHz, which is beneficial for measuring impedance versus frequency of components like electrolytic capacitors . This range allows for more comprehensive testing compared to meters with narrower frequency capabilities.
Limitations
One limitation of LCR meters is their accuracy when measuring very high or very low impedances. In such cases, the signals (voltage or current) can be very small, making it difficult for the meter to produce accurate readings .
Considerations
When selecting an LCR meter, consider factors such as initial costs, operating expenses, durability, accuracy, and maintenance costs. The accuracy of the meter is particularly important, as it affects the reliability of the measurements. Additionally, the frequency range and response time are critical specifications that can impact the suitability of the meter for specific applications .
from Red Pitaya, d.o.o.
SDRlab 122-16 External clock is based on the SDRlab 122-16 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Bandwidth: 0.0 to 5.00E8
from Red Pitaya, d.o.o.
SDRlab 122-16 was developed specifically for software-defined radio and more demanding RF applications. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Bandwidth: 0.0 to 5.00E8
from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 4 Inputs is based on STEMlab 125-14 board, but instead of 2 inputs and 2 output channels offers 4 Input channels that with improved performance. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in a wide variety of contexts, from hobbyists and ham radio operators to industry, research, and space applications. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 Edu Pack is based on Red Pitaya's best-selling DAQ platform and with the chosen accessories a perfect fit for educational purposes. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 External clock is based on the STEMlab 125-14 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. With this modification, users... [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
Based on the STEMlab 125-14 Starter kit and it comes with individual ISO17025 certificate. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 Low Noise Bare OEM is the ultimate solution for customization and adaptability in your electronic project. This board, which comes without the usual connectors, provides unparalleled freedom and versatility to tailor your designs according to your specific needs. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 Low Noise is based on a STEMlab 125-14 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
We are setting the industry standard in product quality and customer support, our STEMlab OEM boards are easy to integrate and available in multiple hardware and software configurations. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14 X-Channel System is designed for applications that require multi-channel RF signal acquisition and generation. It enables the user to stream analog and digital signals from/to the client's PC. X-Channel System consists of multiple STEMlab 125-14 devices that are modified and comes... [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14Z7020 Low Noise is based on a STEMlab 125-14 Z7020 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100
from Red Pitaya, d.o.o.
STEMlab 125-14Z7020 Low Noise is based on a STEMlab 125-14 Z7020 board that is populated with additional linear analog power for analog power supplies to reduce RF inputs and outputs noise and consequently increase ENOB. [See More]
- Form Factor: Clamp Meter (optional feature); Bench top; Rack mount (optional feature); Handheld (optional feature); Computer Board
- Display Digits: 3 Digits; 4 Digits; 5 Digits; 6 Digits
- Display Type: Webpage
- Capacitance: 1.00E-5 to 100