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Taking Dielectric Measurements to the Liquid State

25.05.2021

The MFIA Impedance Analyzer is connected to a third-party liquid dielectric test fixture

Liquid dielectrics are dielectric materials in a liquid state and are widely used in electrical insulation as well as cooling. Nonetheless, their fluidity also makes accurate dielectric measurements a challenge. In a previous blog post , we saw how to measure solid-state materials with the MFIA Impedance Analyzer and a...

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Comparison of Liquid Conductivity Probes

29.04.2021

EIS Probe

In a previous blog post , we described how to use the MFIA Impedance Analyzer to measure the electrochemical impedance spectrum (EIS) of a liquid sample and to derive the conductivity with EIS modeling. The post presented a 5-element equivalent circuit model, which required a relatively deep understanding of electrochemistry...

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Customized Output Data Format for Impedance Sweeps

16.04.2021

Data Format

This short blog post shows you how to customize the exported data of your impedance sweeps on the MFIA and MFLI with MF-IA option. The Sweeper module of LabOne® is an excellent tool to sweep frequency, amplitude or bias offset, and measure multiple parameters as a function of the swept parameter.

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Come Effettuare Misure DLTS con lo MFIA

18.03.2021

Voltage and Capacitance in Plotter

Questo articolo illustra come produrre un'onda quadra in tensione ed acquisire i conseguenti transitori di capacità, in una scala temporale molto corta (ad esempio 20 us), per effettuare misure di tipo "deep level transient spectroscopy" (DLTS). DLTS è una tecnica potente e comunemente usata per investigare sia la concentrazione che...

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Sensing Finger Movements with Impedance Measurements

19.01.2021

Fingers

Smart clothes, wearables and biosensors do not sound as futuristic as they used to. The development in this field of science and engineering is rapid and it is no longer a niche – as seen in the first or even second generation of such products hitting the market. Although there...

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임피던스 측정을 위한 빠른 주파수 스위프

19.01.2021

Sweeper Trace

장치나 재료를 주파수의 함수로 특성을 측정 할 때, 시간이 지남에 따라 환경이나 재료 자체가 변화하여 결과 스펙트럼도 변할 수 있습니다. 이 시간에 따른 변화는 MFIA 또는 MFLI의 LabOne Sweeper 모듈로 순차적 주파수 스위프를 수행하여 캡처)할 수 있습니다. 각 스위프에는 포인트당 20ms가 필요하므로 일반적인 500포인트 스위프에는 최소 10초가 필요합니다. 이것은 샘플의...

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Compensating Cables for Accurate Impedance Measurements

19.01.2021

MFITF attached to MFIA

Measuring impedance accurately can be a challenge, especially when the device or material under test is located some distance away from the impedance analyzer at the end of cables. The phase delay and parasitic impedance of the cables can significantly reduce the accuracy of a measurement. This blog post seeks...

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Proximity Sensors – Inductive or Capacitive?

07.01.2021

Proximity Measurement

A proximity sensor is a sensor that detects nearby objects without physical contact [1]. They are commonly used, in applications ranging from production lines to modern mobile devices, mainly thanks to their non-contact configuration and the accompanying long lifetime. The working principle is simple...

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Function Generation Via Auxiliary Outputs on Your Instruments

26.11.2020

Function Generation

Introduction Quite often one wants to generate an electrical waveform to assist his or her lock-in or impedance measurements. Such a function can be generated by a dedicated function generator, but ideally should be produced by the same instrument, not only to save lab space but also to minimize the...

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Inductance of an SMD Shunt Resistor

15.09.2020

Plotter

The reliable and accurate measurement of current is critical to optimising any electronic system. The most commonly used method to measure current flows within a circuit is by using a low-value resistor mounted in series, and then measuring the voltage drop across this resistor. These current sensing resistors are commonly...

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