The company's Model 881 portable in-circuit ESR and DCR capacitor tester uses a standard 9-V d.c. battery or optional a.c. wall adapter as the power source. It can be used to measure the equivalent series resistance of electrolytic capacitors in or out of circuit, and it can also measure low-value, non-inductive resistors. Features include a 3-color front panel chart that shows ESR readings, 15 m Vp-p output test voltage, one-handed tweezers test probe, and an automatic function to calibrate internal signal.
B&K Precision Corporation
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