#18 in Semiconductor products
Use arrows to jump to the previous/next product
Reddit mentions of Multifunction Meter DIY kit, kuman Mega 328 Graphic transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case and screwdriver K77
Sentiment score: 2
Reddit mentions: 4
We found 4 Reddit mentions of Multifunction Meter DIY kit, kuman Mega 328 Graphic transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case and screwdriver K77. Here are the top ones.
or
Kuman graphic multifunction tester: resistor + capacitor + diode + SCR + inductance + Transistor + mos tube.Automatic detect NPN and PNP transistors, N-channel and P-channel MOSFET, diode (including dual diodes), transistors, resistors, capacitors, thyristors and other components.With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.Package Content: 1 x Transistor Tester 1 x Acrylic shell 1 x screwdriver
Specs:
| Weight | 0.0992080179 Pounds |
You'd need to disconnect the antenna, yes... but I'd take a guess that the meter you posted won't read capacitance that low anyways. I've had very good luck with this meter when measuring small capacitances, including variables: https://www.amazon.com/Multifunction-transistor-Capacitor-Inductance-screwdriver/dp/B071Y5CHPK it seems to measure down to about 25pf.
The other thing is you might be measuring at the wrong points on the cap. Pay close attention to the mechanism and how it's connected. Put the meter on continuity, and put the leads to the points where you were testing. If you have DC continuity, you're using the wrong points.
I picked up an awesome cheap tool I forgot to mention and it was only $15:
https://www.amazon.com/gp/product/B071Y5CHPK/ref=ppx_yo_dt_b_asin_title_o00__o00_s00?ie=UTF8&psc=1
You have to assemble it and it doesn't come with instructions, but it's so good. I use it to test parts before soldering them in, that way I know I have properly working parts before putting them on the board so if I have any problems later, I know it's not the parts. It measures resistors, diodes, caps, transistors, etc. It does the same thing as the $60 atlas DCA and more. The atlas DCA only measure semiconductors, this cheap thing measures passive parts too like resistors/caps, etc. The numbers are slightly different than what my atlas measures, like right now I'm measuring a silicon transistor that is reading 290 hfe on my atlas but 250 on this cheap thing, but it's at least in the right ballpark. The atlas goes into way more detail like leakage and stuff, but the cheap thing at least gives you the hfe and the pinout so you don't accidentally connect the wrong lead to the wrong input. I got a cheap DMM from amazon too that will give you an accurate enough reading for like $15. So for $30, you can have two great measuring tools.
You can just buy one of those cheap LCR/component tester jobbies. They're not as good as a real inductance meter but for basic identification they're fine, great for lots of other quick measurements too.
https://www.amazon.com/Multifunction-transistor-Capacitor-Inductance-screwdriver/dp/B071Y5CHPK
Even the same manufacturer can differ on the TO-92 because they can be ordered in any pinout you want, but I think the standard EBC applies generally.
OP, for $15 you can check - worth every penny.