Chinese multimeter with ESR measurement function

[vehf277]

Hi everybody!
I found this one on ebay: http://www.ebay.com/itm/Transistor-Tester-Capacitor-ESR-Inductance-Resistor-Meter-NPN-PNP-Mosfet-/181030404166?pt=LH_DefaultDomain_0&hash=item2a2640c046
Is it a scam and if not can it be used as in-circuit ESR meter?
Thank you in advance.

[darrylp]

Resistance measurement from 0.5 ohms, hmm almost every other ESR meter I've seen go much lower. Ie. around 0.01 ohms upward

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[nikifena]

Based on how it looks I'm 99% that this is german transistor tester from here:
http://www.mikrocontroller.net/articles/AVR_Transistortester

Actually this is the new design concept based over this transistor tester:
http://www.mikrocontroller.net/articles/AVR-Transistortester

[Fraser]

No ESR or inductance specification.

There is nothing apart from the Sellers title to show it is actually capable of ESR. I am unconvinced as many sellers list lots of key words in an effort to attract customers.

Ask the seller specifically about ESR measurement before buying.

Fraser

[vehf277]

Thank you guys:)

[Adler]

This listing seems to confirm.

http://www.ebay.com/itm/NEW-TRANSISTOR-TESTER-CAPACITOR-ESR-INDUCTANCE-NPN-PNP-MOSFET-RESISTOR-METER-/160921762374?pt=LH_DefaultDomain_0&hash=item2577af3a46