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Modis Edge Voltage Input Capabilities?

  • Nemo8840
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8 years 9 months ago #8871 by Nemo8840
Modis Edge Voltage Input Capabilities? was created by Nemo8840
This is kind of a newbie question but I just spent a large amount of money on a nice scanner/scope (MODIS EDGE) and want to err on the side of caution rather than hurt my equipment.... That being said, the question I have is; I noticed in a video of Paul's that he tapped into an injector control circuit and was scoping the voltage pattern to diagnose the injector's performance, he had made comment that the injector coil can spike over 100volts.... He was using the VERUS and i'm not familiar with the limitations of that tool but from what i've gathered thus far the MODIS EDGE that I have has a limit of 75volts input allowance, would I be safe to connect direct to injector circuits without hurting my device or do I need to have some sort of an attenuator to do so? Please help me to better understand the limits and capabilities.......... Thanks to all, BRYAN

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8 years 9 months ago #8872 by Ben
I have the modis ultra and have done it without issues this has been discussed a few times here and I think we all agree that it's fine no one here has had any problems

Sent from my SM-N920P using Tapatalk

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8 years 9 months ago #8873 by Noah
Like Ben said, it should be fine. Nobody here has​ had any issues .

To prove it without risking the equipment, browse through some of the "guided component tests" for fuel injector checks.
If there was any danger or need for protection, it would be mentioned there for sure.

"Ground cannot be checked with a 10mm socket"

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8 years 9 months ago #8877 by Nemo8840
Replied by Nemo8840 on topic Re:Modis Edge Voltage Input Capabilities?
What voltages should I start being concerned at then?

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8 years 9 months ago #8881 by Noah
I'm not sure of the actual spec, but it's designed for automotive use, so you would be fine on just about any DC circuit you encounter on a car.
I probably wouldn't want to measure voltage at say, an hid headlight terminal or Power stroke fuel injector.

"Ground cannot be checked with a 10mm socket"

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8 years 9 months ago #8884 by Nemo8840
Replied by Nemo8840 on topic Re:Modis Edge Voltage Input Capabilities?
Primary or Secondary ignition are DC too correct? I wouldn't think they would be safe to measure though, what do you think?

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8 years 9 months ago #8904 by Tyler
Replied by Tyler on topic Re:Modis Edge Voltage Input Capabilities?

Nemo8840 wrote: Primary or Secondary ignition are DC too correct? I wouldn't think they would be safe to measure though, what do you think?


No worries with measuring either one. ;) I've got a Modis Ultra and have never had any problems. I mean, don't measure secondary output DIRECTLY, use an ignition paddle or the like. ;)

MJtech was asking the same question recently in another thread , so you're not the only person to be concerned about this. :cheer: Still not sure why Snap On labels the scope ports that way...

If you're still worried, there's no problem with using an attenuator as needed. Just keep the scaling change in mind, since the Modis won't adjust things for you like a Pico will.

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8 years 7 months ago #10603 by bruce.oliver
Replied by bruce.oliver on topic Re:Modis Edge Voltage Input Capabilities?
I went to a snapon class Wednesday. I asked the snapon instructor. He said that label is for continuous voltage and that they are built/rated for 400 volts spikes or momentary voltage.

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8 years 7 months ago - 8 years 7 months ago #10623 by Ro-longo
Replied by Ro-longo on topic Re:Modis Edge Voltage Input Capabilities?
I am still a little scared to measure Powerstroke injectors or any thing that has high voltage with high amperage at the same time. Maybe it's my bad luck but the last time I tried to measure Voltages on a Powerstroke injector circuit my ohm meter on my Vantage Ultra stopped working and then I was trying to do an injector amperage measurement on a Mazda with Direct Injection a few days later and my Snap-On amp clamp stopped working.

Might have just been a coincidence, I don't know. If it wasn't for bad luck I would have no luck at all :side:

"Silver bullets are for killing Werewolves, not fixing Cars." -Rob Longoria-
Last edit: 8 years 7 months ago by Ro-longo.

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8 years 7 months ago #10638 by Tyler
Replied by Tyler on topic Re:Modis Edge Voltage Input Capabilities?

bruce.oliver wrote: I went to a snapon class Wednesday. I asked the snapon instructor. He said that label is for continuous voltage and that they are built/rated for 400 volts spikes or momentary voltage.


Good stuff. B)

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8 years 7 months ago #10667 by Noah
The amp clamp must have been coincidence, since it isn't exposed to any voltage and isn't placed in the circuit like an amp meter.
I've always kind of assumed they were impervious to over voltage/amperage conditions (unless something arcs to it) since they measure magnetic field strength and convert that to volts, which we convert to amps.
I could be wrong out course...

"Ground cannot be checked with a 10mm socket"

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