Archive for the ‘C3 Capacitor Tester’ Category

Heathkit C3 Condenser Checker – Wrapup

Finally, I just wanted to demonstrate the operation of the C3 Condenser Checker.  I’m not much of a videographer, but here is my video demonstrating the device to check several good and bad capacitors for value and leakage. Enjoy!  

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Heathkit C3 Condenser Checker – Knob Repair

Almost finished… A final repair on the knobs of the Heathkit C3 Condenser Checker, and it will be ready for operation.

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Heathkit C3 Condenser Checker – 25 Volt Mod

As noted in my previous post, the 25 volt scale for the leakage test function of the Heathkit C3 Condenser Checker provided a voltage that was considerably higher than 25 volts.  It was closer to 50 volts.  This seems to be a design flaw, or a documentation flaw, as I don’t know which side of […]

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Heathkit C3 Condenser Checker – Restoration

Ok, I’ve received my order from justradios.com.  Now it’s time to replace almost all of the capacitors and a good number of the resistors in the C3 Condenser Checker.  We’ll follow that up with a basic checkout, and finally finish up by testing the caps and resistors that we pull out. Here is what we […]

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Heathkit C3 Condenser Checker – How it Works Part 3

In Part 1 of this series of posts, I introduced the Heathkit C3 Condenser Tester Wheatstone Bridge operation. In Part 2, we traced out the schematic of the Resistance and Capacitance measurements. Here in Part 3, we will delve into the Leakage Test function of the tester. The Leakage test operates by placing a selectable […]

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