Triggering LCR Meters
Last Updated: April 1, 2025
Description
Triggering LCR meters are specialized instruments designed to measure the inductance (L), capacitance (C), and resistance (R) of electronic components. They provide precise measurements of these parameters, which are critical for evaluating the performance and quality of electronic components and circuits.
Working Principle
Triggering LCR meters operate by applying either a constant voltage or a constant current to the device under test and measuring the resulting current or voltage, respectively. This allows the meter to calculate the impedance of the component. 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 makes them useful for analyzing components with varying impedance values across different frequencies and levels.
Applications
Triggering 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 allows for comprehensive impedance analysis of components . This capability, combined with the ability to use external sweep tools for impedance versus frequency measurements, provides a significant advantage over other LCR meters that may have more limited frequency ranges or lack such flexibility.
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 a triggering LCR meter, it is important to consider factors such as initial costs, operating expenses, durability, accuracy, and maintenance costs. The choice of instrument type (handheld, portable, or fixtured) and measurement specifications, such as resistance or impedance range and accuracy, are also crucial considerations . Additionally, the test signal frequency range and response time are important parameters that can affect the performance and suitability of the LCR 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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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- Display Type: Webpage
- 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
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- Display Type: Webpage
- 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
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- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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- Display Type: Webpage
- 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
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Display Type: Webpage
- 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
from Red Pitaya, d.o.o.
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- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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
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]
- Options & Features: Has Application Software for Host Computer; Auto-ranging; Battery powered (optional feature); Data Acquisition; Data storage/ logging; dB readings; Has Integrating Functions (optional feature); Programmable; Removable data storage; Has Scaling Function; Temperature Compensated (optional feature); Triggering
- Display Type: Webpage
- 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