Vantage with generic amp probe

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  • MrFixIt
    Junior Member
    • Jun 2008
    • 17

    Vantage with generic amp probe

    Hello!
    I am new here. I have recently started using a Vantage DMM MT 2400. I purchased a generic amp clamp, a PDI CA 60. I have tried various multimeter settings and can only get down to either .2 volts scales or zero volts. How do I read on a millivolt scale to get the readings?

    Thank you in advance!
    Brit
  • Nick
    Senior Member
    • Oct 2006
    • 550

    #2
    Where are you connected? Do not connect through the amp probde connection. Use the multi meter +/- inputs.
    Last edited by Nick; 07-02-2008, 10:57 AM. Reason: sub.
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    • MrFixIt
      Junior Member
      • Jun 2008
      • 17

      #3
      Originally posted by Nick
      Where are you connected? Do not connect through the amp probde connection. Use the multi meter +/- inputs.
      I am connected through the multimeter, as you wrote.

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      • Nick
        Senior Member
        • Oct 2006
        • 550

        #4
        If you are 0.2 v scale. The probe set on 1mV/100mA 0.2 volts would be 20amps. Set on 1mV/10mA 0.2 volts would be 2 amps.

        The setting on the PDI could be labeled better.

        1mV/10mA can be expressed easier as 100mV/A

        1mV/100mA can be expressed easier as 10mV/A
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        • MrFixIt
          Junior Member
          • Jun 2008
          • 17

          #5
          Originally posted by Nick
          If you are 0.2 v scale. The probe set on 1mV/100mA 0.2 volts would be 20amps. Set on 1mV/10mA 0.2 volts would be 2 amps.

          The setting on the PDI could be labeled better.

          1mV/10mA can be expressed easier as 100mV/A

          1mV/100mA can be expressed easier as 10mV/A
          Hi Nick,
          Is there a selection scale that can get me lower than 0.2? If .2 = 20 A, I was really hoping for a scale in millivolts on the Snap-On.

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          • Nick
            Senior Member
            • Oct 2006
            • 550

            #6
            0.2 volts is 200 mVs. Now as far as setting on the heritage vantage, I do not remember. It has been that long since I have owned a MODIS. I know the two items you have work together fine. Just a matter of settings.

            Someone else may be able to answer your question about the voltage divisions on the vantage better than me.
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            Autotechdiagnostics.com

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            • carmedic
              Member
              • Apr 2007
              • 65

              #7
              If 100 mVolts = 1 amp, and you set your Vantage screen to 1 volt, you have a 10 amp capacity for that screen. If you change the screen to 2 volts, without changing anything on the probe, you now have 20 amps capacity on the screen. Does this make sense? What are you trying to measure?

              Jim

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              • MrFixIt
                Junior Member
                • Jun 2008
                • 17

                #8
                Originally posted by carmedic
                If 100 mVolts = 1 amp, and you set your Vantage screen to 1 volt, you have a 10 amp capacity for that screen. If you change the screen to 2 volts, without changing anything on the probe, you now have 20 amps capacity on the screen. Does this make sense? What are you trying to measure?

                Jim
                I just got new amp probe and was playing with it. Clamping AC and DC. No wave forms. I think it is broken.

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                • Nick
                  Senior Member
                  • Oct 2006
                  • 550

                  #9
                  I would attempt to swap pos and neg leads, or flip flop clamp when attempting to get the signal.
                  Mechanic-Instructor-Mobile Trouble Shooter

                  Autotechdiagnostics.com

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                  • Karl_B
                    Member
                    • Jun 2007
                    • 30

                    #10
                    Originally posted by MrFixIt
                    Hello!
                    I am new here. I have recently started using a Vantage DMM MT 2400. I purchased a generic amp clamp, a PDI CA 60. I have tried various multimeter settings and can only get down to either .2 volts scales or zero volts. How do I read on a millivolt scale to get the readings?

                    Thank you in advance!
                    Brit
                    Did you try going to "Power Users Tests" "0-10 amps" the meter is set up for you. Put your amp probe on 100mv/1amp and away you go. HTH
                    sigpic

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                    • MrFixIt
                      Junior Member
                      • Jun 2008
                      • 17

                      #11
                      Originally posted by Karl_B
                      Did you try going to "Power Users Tests" "0-10 amps" the meter is set up for you. Put your amp probe on 100mv/1amp and away you go. HTH
                      I thought this was for the test leads, not the amp clamp. Am I wrong?

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                      • MrFixIt
                        Junior Member
                        • Jun 2008
                        • 17

                        #12
                        anyone?

                        bump for more replies

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                        • Phil Kleis
                          Junior Member
                          • Oct 2008
                          • 15

                          #13
                          relative compression

                          I have a relative compression photo from today. I am using a Fluke high amp probe 1amp per 1mv. The sync is on primary ignition. I am not sure if the picture will show because this is my first attempt at posting a picture.

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