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ESR Meter Kit

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$112.95 (inc GST) $102.68 (exc GST)
Ships in ~5 bus. days

Product Description

Once assembled, this excellent piece of test equipment identifies defective electrolytic capacitors instantly, without the need to remove it from the PC board. ESR is "Equivalent Series Resistance", and is somewhat frequency dependent. Basically it's the unavoidable ordinary resistance that comes along with the capacitor.

Lower ESR means that the capacitor is more like an ideal circuit element - and this meter is ideal for testing ESR. 

Capacitors can often show very high ESR levels whilst displaying the correct capacitance on a multimeter, thus the need for this meter. In devices such as switchmode power supplies, high ESR in capacitors can cause such issues as loss of regulation, excessive high frequency noise etc.

This compact ESR meter is an invaluable tool for the service technician. Supplied with punched and screened case, all instructions and requires 6 x AAA batteries for operation. 

Originally described in the March and April 2004 editions of Silicon Chip magazine. 

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