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Precision Handheld LCR Meter: Wide Range of Selectable test frequencies: 100 Hz / 120 Hz / 1 kHz / 10 kHz / 100 kHz Measures: Resistance, Capacitance, Inductance, Dissipation Factor, Quality and Phase Angle Backlit 20,000/2,000 count display Component sorting function with selectable PASS/FAIL tolerances Selectable: series or parallel LCR Meter Light weight Handheld LCR Meter Alligator Leads included, SMD tweezers available USB interface for Data Storage of LCR Results Allows for 4-Wire Kelvin Measurement to factor out impedance of test leads | ||||
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Small problem and fix of eevblog user with it's recent deree 5000: (source) I bought one of the DER EE DE-5000 LCR meters from a Japanese seller. When I received it, it would not turn on with the power button. I discovered that if I removed the battery and put it back in it powered up immediately, and seemed to work properly. When I pushed the power button to turn it off it said it was switching off, but would not turn on again. I felt that after waiting a month for delivery that sending it back to Japan for a problem like this was out of the question, so I decided to fix it. I found a fragment of the power circuit schematic (I think it was a jpg here on EEVblog, but I can no longer find it). Anyway, Q14 was shorted so the power was never actually getting switched off. I assume the processor was just sitting in a tight loop waiting for death so it could be resurrected when the power came back up. I replaced Q14 with an SI2301-TP MOSFET, and it seems to be working fine now. | ||
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Digital LCR Meter DerEE DE5000 from Japan Sellers IET Clone (buy original here)