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Electrical Safety with Multimeter Jig
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- Опубліковано 11 сер 2021
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docs.google.com/forms/d/e/1FA... Most electrical safety measurements can be done with a regular multimeter (like ground resistance and Attached Ground Leakage). To really see what's going on with a medical device you need to lift the ground and test the device with the power on. For this, I have a jig that's easy to make and easy to use.
Many developing countries and remote locations might not have the budget or logistics to purchase and maintain a calibrated official electrical safety analyzer. Yet, all electrical repair centers have some sort of multimeter.
With this jig, those locations can now preform a normal electrical safety. ** PLEASE SUBSCRIBE! I am trying to grow this channel to deliver better content. Subscribers = Corporate Supporters =Better Content
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This tutorial also comes in extremely handy for when I have to send my ESA620 in for cal once a year. I’m a one man biomed shop and when I’m down my analyzer for the better part of a week, this will allow me to still be able to complete PMs or post repair re-certs. Awesome video!
I need to make an updated version of this. There should be a 1000Ohm resistor in line.
Thank you, Better Biomed. I wish I could give this video a thousand likes. You are good
Thanks for your support
beautiful and perfect tutorial on electrical safety. your demonstration is fantastic
wow it is brilliant and perfect professional demonstration to make multimeter jig. thanks for sharing your valuable experience
fabulous and superb work. stay blessed and keep sharing your excellent experience
OH OH THANK YOU VERY MUCH ENGINEER, IT WILL BE A GREAT HELP IN THE TEAM
wonderfully awesome and superb demonstration. thanks for sharing. keep it up
brilliant and superb professional work. thanks for sharing
I have always wondered about using a multimeter. Great Idea! Seems like the only reason you would need a true ESA is for patient leakage tests or ISO testing which requires thing like reverse polarity - but even all of those you could probably create a jig. You have my mind thinking lol.
About 50% of my viewers are at locations outside of the USA. Some are on islands and some are in very poor countries with no electrical safety codes for medical. - They do seem to all have some sort of multimeter. By showing them ground resistance and a jig for case leakage, they can start checking their equipment today. We really can help change the world.
Wow, great idea!
Great tutorial, thanks very much! 👏
Great idea,thanks for sharing.
Very interesting
Man you rock!!
Just did this last week make shift earth for testing Philips hearsart xl+ defib
I have had to do it for 220V devices
Thats nice idea !! But the issue we still need record !! Reports for cmms for our records to cover our backs lol right !
Thank You . Could also get a 4 x 4 box with an outlet one side and a switch (to open and close the ground) with a cord to the wall and plug the electrical device into outlet. switch opens ground. this would work better for those without soldering?
Thanks
That's a very cool idea!
See! Open source worldwide biomed problem solving. A 4x4 gang box and switch would be available anywhere.
Can you talk about electrical safety regulations. And what the hospital needs to follow if it is by state or federal. A lot of our equipment PM status has been changed to no PM required.
According to the latest NFPA99 and CMS requirements, many items fall under a possible AEM program. - unfortunately. Some things like light sources and warming cabinets should always be cleaned - because they can catch fire 🔥.... but some places still put "no pm required" on them.....
@@BetterBiomedChannelThey are literally only going by the manufacturer's recommendations in the service manual.They put the OR Solutions fluid warmer on a 5 year a PM. The manual is talking about the module that keeps the temp not electrical safety. In my book if the medical equipment is portable and also has a removable AC cord it needs to be safety tested. I have seen 1 hospital grade molded power cord with the hot and ground reversed.
Don’t you need an AAMI simulated patient in series with the test lead. It is a specific capacitor and resister .
No, I've never heard of such a thing unless that is "patient leakage". Case Leakage is a direct measurement of energy present on any electrical device compared to ground potential.
While I do think this is very cool I don't see this as being feasible in the US. I don't think TJC would be very receptive to some kind of bootleg ESA like this. Are ESA's not readily available in other countries? In my organization test equipment must always be documented. I can only imagine the storm if an accreditor discovered something as this was being used.
Again, I think this is super interesting and informative into the the concept and explanation for electrical safety. I just don't see how this is practical or could ever be used.
You're reaching a little bit. Every inspection I have ever been in (which I a lot) doesn't care about the biomed program (for the most part). I have never heard of them inspecting our test equipment. Never. Most work orders at most places I have been at do not even record the safety analyzer used. ESAs are not readily available in most other countries and even harder is annual calibration.
A real application is with 220V devices. No shop that I've ever heard of has the 220V plug adaptors to test all the 220V devices that enter the building. Most places BS their way through those electronically safeties but I developed 220V jigs of each type of wall adaptor with liftable ground.
This was a great video! It would be fantastic if you could share the construction of your 220V Jigs one day! I've been planning on making a jig for my floor centrifuges. @@BetterBiomedChannel