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thanks for replying, i have sketch block diagram of the electrical connection as per my connection please check the attached circuit and reply correct solution. HF circuit is in parallel not in series so voltage will be same at all points.
Thanks sir,
i have all the information.
1. Voltage range of interest is:- 5VDC to 150VDC.
2. Timing specification of the 3000 V Pulse:- 2KHz, and duration is 100 ms.
3. Timing specification of your signal of interest: DC voltage and duration of measurement is 10 Min.
4. aquisition system input...
actually i need continuous measurement during welding process, so can not connect and disconnect manually. i have to use a method that can disconnect during HF spark only like relay.
can you please explain the circuit in detail
Hi i have a TIG welding machine, i want to monitor its voltage and current during welding operation . i have a data acquisition system to do that but the problem comes when arc start using HF voltage circuit as it generates 3000V that damages the hardware used to measure voltage. please suggest...
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