Oops, posted same message twice... So I edited this one.

The peak voltages are from the primary field colapsing when the IGBT is turned off to the coil to produce the ignition spark. I use 1,200 volt IGBT's to drive the igntion coils. The higher the cylinder pressure the higher the voltage produced, there is a clamp at +/-880 volts to protect the IGBT's i...

My application will exceed the DC Voltage rating of the probe you suggest. Still OK to use?

What do you think of this high voltage x100 probe?

http://www.testpath.com/Items/High-Volt ... 10-451.htm

I need to test the primary voltage output of custom ignitions I build for racing applications. The voltage present on the primary side of the ignition coil is 1,400 volts AC with a max of 900volts positive swing and 600 volts negative swing. Do you have a 50/1 or 100/1 high impedance probe that will...