Darryl Humphrey Blog How to Measure Current With an Oscilloscope

How to Measure Current With an Oscilloscope

Measuring current with oscilloscope with an oscilloscope offers the advantage of a more intuitive visualization of changing signals compared to the steady values displayed by a multimeter. However, because an oscilloscope is a high impedance voltage measuring instrument, it cannot directly measure currents — it must convert the current to a voltage before it can be measured. There are a couple of ways to do this.

Hobbyist’s Delight: Finding the Best Hobbyist Oscilloscope

One method is to use a combination of a shunt resistor and differential probe. The shunt resistor provides the current measurement while the differential probe gives you the voltage reading. However, this approach is limited to around 1 mA resolution.

Another way to measure current is to use a Hall sensor probe. This is a device that converts magnetic field changes into electrical currents, and it measures both DC and AC currents. This approach is more precise than using a standard shunt resistor, but it can also be less accurate due to the fact that it does not provide true Ohm’s law measurements.

Once you have the correct current-to-voltage converter connected to your oscilloscope, set the trigger to a valid voltage value. This freezes the waveform on the screen for you to observe and analyze.

A grid on the display acts as your ruler, offering a reference point from which you can measure signal characteristics such as amplitude (how tall it is) and frequency. For more detailed analysis, many oscilloscopes have markers that can be dragged to specific points on the display to measure precise values or changes in the waveform. Some even allow you to do basic math on the waveform(s).

Leave a Reply

Your email address will not be published. Required fields are marked *

Related Post

How to Get Cocaine Addiction HelpHow to Get Cocaine Addiction Help

When someone is to Cocaine Addiction Help, their relationships with loved ones are often affected. Family members may notice a change in the way their loved one talks and behaves, as well as a decline in school performance or work productivity. They might also notice a shift in their eating habits, with weight loss and disrupted sleep patterns. Cocaine addiction can also lead to an increase in irritability and mood swings.

The first step in seeking cocaine addiction help is identifying the problem and talking to a medical professional. A health care professional will take into account the severity of the person’s addiction and any other underlying conditions, as well as their overall physical and mental wellbeing. They will then recommend treatment options.

Recovery Stories: Inspiring Journeys Out of Cocaine Addiction

Depending on the individual’s needs, they may undergo detox before entering a treatment program. This is usually done in a medically assisted setting to manage withdrawal symptoms and ensure the user’s safety. Medications are also used to help with withdrawal and to treat any underlying conditions. Typically, they will be prescribed an antidepressant or an atypical agent like topiramate, which has shown promise in reducing drug craving.

Behavioral therapy is also important in the treatment of cocaine addiction. Cognitive Behavioral Therapy (CBT) helps people recognize negative thoughts and behaviors, as well as learn new strategies to cope with their triggers and urges. Other behavioral therapies include Motivational Interviewing, Contingency Management and various other rewards-based programs. If a person’s use of cocaine is linked to another mental illness, they should seek out a dual diagnosis treatment program.

Read MoreRead More

Legionella Testing Requirements For LandlordsLegionella Testing Requirements For Landlords

As legionella testing requirements property, you are legally required to assess, and then control the risks of legionella to your tenants. This is a two-pronged process that includes a physical inspection of your water system and an examination of your records to verify management procedures. You also need to take into account the level of risk of your system and the regulations in place in your industry and country. This may mean that you need to test more frequently than other facilities, for example hotels or hospitals that have vulnerable customers and patients, or where the system is older and potentially at higher risk of stagnation and contamination.

You can use a number of methods to detect legionella in water samples, and most of these are performed in a laboratory setting. The laboratory culture method is still considered the gold standard, but it’s not without its limitations. Water management professionals are increasingly seeking new and innovative testing techniques that are more flexible and can offer quicker and more accurate results.

Meeting Legionella Testing Requirements: Ensuring Water Safety

One such approach is a rapid swab test, which can identify both live and dead legionella bacteria. However, this method does not replace a robust sampling program and UKAS-accredited laboratory certification; it also requires an experienced person to interpret the results, as it cannot yet detect all legionella serogroups.

Read MoreRead More

How to Download TikTok Videos No WatermarkHow to Download TikTok Videos No Watermark

download tiktok videos no watermark

TikTok is one of the tiktok video downloader popular platforms for creating and sharing short-form videos. While the app is an excellent platform for creators, it does have a few restrictions that can prevent users from taking full advantage of its features. In particular, the bouncing watermark that appears over videos can be annoying and difficult to remove. Fortunately, there are several ways to get around this problem. One option is to use a video-editing app that offers watermark removal. These apps can be found on iOS and Android devices, and some are even free. However, these apps can be finicky and may not always work properly. Another option is to use a web-based tool that allows users to download TikTok videos without the watermark. This website is convenient and easy to use, and it works on most devices.

Unlocking TikTok’s Potential: Downloading Videos Without Watermarks

The first step is to find the video that you want to download. Then, copy the video URL and paste it into the app or website. After that, click the download button. The site will then automatically download the video in MP4 format. You can then play the video in full quality and without the TikTok watermark.

If you don’t have a video editing program, you can still get rid of the watermark by cropping it out yourself. This method is not ideal, but it can be effective in a pinch. To do this, open the video in the Photos app and select Edit from the top-right corner. Then, tap the Crop icon from the bottom row of options. Pinch and zoom to edit the dimensions of the video, and then crop out the bouncing watermark.

Read MoreRead More