Path: /eico/b/. This is the BAMA archive. These manuals are available for download and free of charge. I am now accepting new manuals for inclusion in this. DESCRIPTION. Your new EICO Model Resistance-Capacitance-. Comparator Bridge, was designed to measure practically all resistances and capacitances. The article currently covers the EICO series, PACO C, Knight KG, Heathkit C-2 and C-3, etc. (More models will be added on an ongoing basis as I.

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And Finally, I am all set: More models will be added on an ongoing basis as I find the time. You are commenting using your Facebook account.

EICO B – Repair/Restoration – Lazy Electrons

This instrument always finds a way to give you a healthy shock sooner or later. Do not run down the voltage fast after leak test on a high value cap.

Before replacing the ones currently rico, I’ll double check the accuracy of the instrument. You NEED precision reference capacitors to achieve an accurate capacitor tester.

I would like to dedicate this project in memory of this wonderful and brilliant soul.

Jun Sun 16, 8: So it all looks good. Here is the long pointer knob on a Since I have a digital capacitance meter, this is really not a big deal; but, I 905b like my equipment to be right. Heathkit C-3 dark color scheme.


This is akin to ESR, but it is measured at 60 Hz, where the ripple occurs in conventional half-wave power supply circuits.

Jun Sat 22, 7: That means for balance, a variable resistor is placed in series with the 2 uFd arm used with the extended scale to measure big capacitors.

These models use a balanced bridge that measures capacitance from 10mmf up to mf and resistance from 0. Otherwise, it’s in great cosmetic shape. The power supply has essentially no ground, it uses the one resistor from the positive terminal to ground to divide the potential so that the correct voltage appears across the eye tube and the rest of the voltage appears across the capacitor being tested through the rest of the circuitry for DC.

PF was 95b to these testers years ago before high efficiency electrolytics came around, and servicemen noticed bad filters tended to get hot.

Recently I have begun what might be the start of a nostalgic journey in vacuum tubes. Depending on where the controls are set, a healthy shock awaits if you touch either one and the case at the same time.

Vintage EICO Resistance Capacitance Comparator Bridge Model 950B

You need not order the exact value as per original spec, as it is rare. So far, I’ve replaced all of the non critical paper and electrolytic capacitors.


I’m not sure how long the shaft is on your potentiometer but I’ve got this pointer in my junk box if you’re interested. If you purposely develop the habit of always starting off with the voltage at zero, and always returning it to zero after taking a reading, you will never have to worry about someone filming your eclectic dance moves accompanied with interesting exclamations and posting it on YouTube for everyone to view.

While I wait for my precision caps to arrive, I can finish rest of the tasks, replace the last few 0.

Antique Radio Forums • View topic – Eico B resistance/capacitance/comparator bridge

To find out more, including how to control cookies, see here: Ed Engelken, Google [Bot] and 8 guests. NRI Professional model Jun Sun 16, 7: Electrical voltages are present and 95b a danger. Any technician who 905b vintage tube equipment such as tube amps, antique radios, vintage jukeboxes will find that a quality capacitor tester is a useful test instrument. It can kill you. I replaced 3 capacitors 2 didn’t look good and one was wrong value.