Products > Test Equipment

TH2830 vs TH2832

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mawyatt:
Looks as if the Impedance Magnitude sweep sweet spot is between 15 ohms and 300K from 100Hz to 2KHz, then tapers from 300K to 2K ohms at 30KHz. So one should try and get Vm/Im within the range if possible for best results.

BTW the chart has an error, the upper right hand corner should read 10fF, not 10pF!!

Should note that these LCR meters have a 1 ohm DCR and 3 ohm ACR ranges, and can deliver 66.7ma of DUT current, very handy for low Z value measurements.

Best,

luudee:
Hi Guys,

as promised, I redid the resistor tests with wire-wound 0.1% resistors.

The table should be self-explanatory.

The LCR meter and my DMM, are usually capable of showing "many" digits
after the comma. If I show a limited number of digits, it's because the next
digit was jumping back and forth and could not decide on it's value.



I used the TH26048A test fixture that came with the meter, not the cables ...

Cheers,
luudee

KungFuJosh:

--- Quote from: luudee on July 25, 2023, 01:06:33 pm ---HOW DO I MAKE THE IMAGE APPEAR IN MY MESSAGE ???

--- End quote ---

Nice results. I hope mine can do that soon. 😉

For images, it's annoying, but here's what you have to do:
Post your message, then expand the image below the posted message.
Copy the URL of the expanded image (or open the image in a new tab, and copy the URL from there).
Then Modify your message, and click the "Insert Image" button that's probably directly beneath the Bold button, on the left. Then paste the copied image URL between the image tags, and save your changes.

luudee:

Fixed a few typos in my table above ... should be all correct now

If you compare it to the accuracy chart, it matched quite well ....

Cheers,
luudee

mawyatt:
One of the benefits (not usually mentioned) of these LCR meters is the lower Z ranges, like DCR at 1 Ohm and ACR 3 Ohm ranges, where the DUT current can be as high as ~67ma. These ranges are below most quality DMMs like the KS34465A (100 ohms) and DMM6500 (10 ohms).

Best,

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