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Frequency and capacitor tester?

Geo-TH,In

Geo-TH,In

Well-known Member
After retiring, I no longer have access to a good dual trace scope. Occasionally miss not being able to measure frequency. I've never had a hand held freq meter or hand held capacitor tester.

I bought a cheap meter to measure powerfactor and frequency along with other things. The frequency part wasn't accurate. AC amps reads a little high. I thought I bought a good frequency meter until I checked it against other meters. It always showed 60 hz on my genny even though my genny's freqency meter showed 66 hz. Lowered the genny speed, genny's meter decreased, other meter showed 60.

Really don't need an AC amprobe, have 2, one digital and one old analog. Have accurate EVOM's too.

It's the frequency/capacitor meter is only the tool I currenty have on my bucket list. So, what frequency/capacitor meter do you have, model #, and how much? Ever test your meter for accuracy against other meters?

Thanks,
George
Opinions on amprobe meter?
 
I worked on a lot of aviation generators over the years and even with a very good meter with frequency measuring ability when I was setting up a power unit I would use a tachometer.
Much more accurate.
For example;
3600 rpm 60 cycle generator adjusting between 59 and 61 cycle your range is from 3540-3660 rpm
Adjusting generator with a tachometer to 3590-3610 rpm puts you in the 59.9-60.1 cycle range.
The aircraft power units were 400 cycle and saftey devices on aircraft will reject external power if not right on the mark.
 
I bought a cheap tack, battery powered, wire went
around the spark plug wire. Battery didn't last
very long. It was impossible to remove the battery,
glued and soldered in place. I cracked the LCD.

I want a meter do not only to measure frequency,
but capacatance as well. There are meters to do
both.
 
I have a Fluke 179 meter and just love it. Measure freq. in four digits. Big bucks but it works!
 
www.mcmelectronics.com has many LCR meters. I bought one from them for about $65.00 about 5 years ago, but don't see the same model now. I needed accurate measurments in the low pF range. it works great. I have seen very few other meters that offer readings in the low pF range that were accurate. For frequency, I use my Fluke 187 , but I have not personally verified its accuracy.
 
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