This document was written by Bob Parker and edited by John Bachman at AnaTek Corporation. Some graphics
and text courtesy of Silicon Chip March/April issue 2004.
Blue ESR Meter Kit
Assembly, Use &
Troubleshooting Manual
Bob Parker designed the Blue ESR meter supplied by
AnaTek Corporation
100 Merrimack Road, P. O. Box 1200
Amherst, NH 03031 USA
603.672.0172, FAX 603.836.4436,
esrquestion@anatekcorp.com
Forget about capacitance meters - an ESR meter is the way to go when it comes to identifying faulty
electrolytics. This well-proven design is auto-ranging, low cost and simple to build.
• In-circuit testing, made possible by using <100mV test voltage
which does not forward bias diodes or transistors.
• Auto-ranging to cover 0.01-99Ω.
• Non-polarized test leads due to no DC component in the test
signal.
• Single pushbutton to easily control all functions.
• Automatic switch-off after three minutes when the meter is idle.
• Low battery voltage warning - “b” blinks on the display.
• 3mm LED displays for easy viewing from a distance.
• Chart of typical electrolytic capacitor ESR figures on the front
panel.
• Built in self test
• Integral test leads
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