Download EICO MODEL B RESISTANCE-CAPACITANCE-COMPARATOR BRIDGE INSTRUCTION MANUAL service manual & repair info for electronics. This EICO B bridge can accurately measure capacitance, resistance, and inductance. The B can do various other things, but since the manual is available at analyzer and I acquired a similar unit, the Sprague Model 16 Tel- Ohmike. The EICO B, the resistance capacitance bridge and the . The Y cap was taken from an old SMPS – (C7 in the original schematic).

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More items related to this product. Hi, Nice to see a great equipment being put back to use again. And Finally, I am all set: I checked the transformer as well in this process and saw the heater glow from both the tube and the magic eye.

In any case, if you do not find the exact value, try a combination of parallel or series caps, e. You just need to keep the ration capacitance ratio the same. I was blown away by how well kept it was, and went there to pick it up and was amazed to see the amount of electronic instruments he had — collections all the way from I bought the Eico B to play with.

Vintage EICO Resistance Capacitance Comparator Bridge Model 950B

I still have more to learn about this unit. Overall a great piece manial hardware! Manaul Leak testing pot P3 controls the output voltage. It is a vacuum tube scope and I need a leak tester to check the caps in it. The think I love the most about this capacitor tester is that you don’t have to hold push buttons in to do a leakage test on electrolytic capacitors.


It can kill you. Especially the V 0.

Vintage EICO Resistance Capacitance Comparator Bridge Model B | eBay

The next step was to do a complete physical inspection, look for broken parts, shorts, missing cables, broken connectors and so on. Sometimes, in the process of looking for something, you come across a few folks, who possessed a wide spectrum of skills and abilities.

As you mentioned the leakage tets function is a really valuable function that is not found in many capacitor testers today.

The basic circuit of this unit is very simple.

You can login to do that! It is fun to work with since it 50 years old. Have used two in series to keep the capacitance close to the original and the rectifier tube specs call for a maximum filter cap of 4uF. The power factor tester too is also quite handy.

But was lucky it was just the pot. For a moment I saw it through the eye tube glass.

I contacted the seller and he was a TV repairman from Massachusetts. After verifying the schematics, the first test was the tube test, with just the heater power. To open downloaded files you need acrobat reader or similar pdf reader program. To find out more, including how to control cookies, see here: You can see the first light up, after modsl many years, still on 60V power.

EICO 950B – Repair/Restoration

The unit worked when I got it and the changes I made were for safety reasons. Most relevant 9950b See all 6 reviews. His family were great — his daughter and her husband were nice, sweet and patient, they showed me all his toys —.

The power cord was changed to 3rd pin and grounded earth to chassis. Nice to see a great equipment being put back to use again.


EICO B – Repair/Restoration – Lazy Electrons

I became curious to know more about him. It seems to be one of the most popular units out there. No buttons to hold The think I love the most about this capacitor tester is that you don’t have to hold push buttons in to do a leakage test on electrolytic capacitors. The only draw back is that the unit doesn’t have a volt meter so you should check the voltage control using a vom as I first did to see if the marks on the voltage scale are close.

For me the hardest part is getting high voltage wax capacitor replacements like 1. Its mentioned in the blog, If you run down the voltage quick after leak testing, the entire capacitor will discharge through the POT and burn it. Ensure you are skilled enough to do this. Most testers you dial up the test voltage, push the leakage button and wait for the eye tube to open which seems like forever. I would like to dedicate this project in memory of this wonderful and brilliant soul.

I have put in a new power cord, a new y-capacitor and replaced all the electrolytic ones.

I am ordering pF, pF, 2. You are commenting using your WordPress.

Superb Craftsmanship throughout – well packed – Exceeds expectations in every detail – restoration beyond actual eras original accuracy – thx u Verified purchase: