| Electronics > Projects, Designs, and Technical Stuff |
| UT61E vs Ionizer |
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| Nusa:
--- Quote from: 001 on December 15, 2018, 03:27:29 am --- --- Quote from: blueskull on December 15, 2018, 01:58:45 am ---Waiting for someone to post the graphic video of a tech guy probed 2.3kV with an 87-III and killed himself from the arc. --- End quote --- Is it Joke? 1000V CAT IV is rated for 6kV impulse :-// --- End quote --- A Fluke 87-III is only a CAT III meter, last time I checked. Also what blueskull said. |
| 001:
Ok How to live now? |
| hgg:
I've connected 2 diodes together in place of the double package. It looks like the IC internal pull up resistors are messed up. I've also connected two pots from ground to FC1 and FC4 and after some fiddling I've manage to show all the selection ranges in the correct order but Volts mVolts and Ohms do not work properly. The pots were at approximately 48Ohms. Any ideas? Is it dead? :( |
| hgg:
Zero is -3.0V and One is floating around -100.0mV In all modes except mV, Hz and Amps FC4 and FC1 lines show -2.5V or -1.5V instead of -3.0V How can I find the values of the pull up resistors that the IC needs? I am preparing the garbage bin with a new plastic bag... |
| stj:
all the resistors have the values on them - just check everything. btw, on another forum there was a guy with a fence-charger. he "tested" it with a fluke87 and killed it - no surprise really. if you can kick a cow over a mile from the device via damp soil and a fence the energy must be pretty nasty. what was funny, he then "tested" it with a uni-t mini meter and it displayed 3KV!!!! i dont know if that was the true voltage but it didnt kill the meter :wtf: |
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