Mar 5, 2017 · I also am not sure how to Check transformer secondary for 24VAC ±10%. Measure where the wires coming from the secondary are attached, or other similar points. I tried to …

Apr 16, 2020 · The last time I used a transformer was in an alarm system to detect changes in current in a "registered" loop, that was like 4 decades ago.

Nov 11, 2024 · I need to debug and check waveforms from a tig welder at different settiings so i think waveform and approx readings are fine which i will cross check with a multimeter… i may …

Oct 22, 2014 · I want to use this transformer if possible as a source of 12v with a centre tap to operate a 12v DC model railway. In the setup in the UPS the red wire in the centre of the 12v …

May 1, 2025 · True, an ignition coil doesn't perform an AC power transfer function and is technically a coupled-inductor, but it's typically called a flyback transformer, and it acts like a …

Jan 2, 2011 · Do you have a signal generator and a dual-trace scope? Put a small amplitude sine signal in on the primary side of the transformer with one channel of the scope connected …

Jun 4, 2011 · Hello All,New to the Forum and need some help.I have a old FI-Shock Inc. Model B-12 Electronic Bug Killer 120v,490 amp,60hz,45w input,4.5kv max 9ma output.This thing has …

Jan 20, 2025 · Definitely, something wrong with the transformer T001. Voltage on the pin 3 is 315V, it's OK. On the other hand, voltage on the pin 5 is 0V. I suspect broken winding. Check …

Nov 9, 2022 · So after that, I decided to test the transformer alone connecting it to the oscilloscope like this. The transformer seems to have no problem. It's just there to step-down …

Feb 6, 2008 · That very same transformer can take 120 VAC as an input and give you an output of 240 VAC. All depends on how you intend to use it. Some transformers are considered …