[Test-Equipment] Chinese DID Crystal Tester Question

Brooke Clarke brooke at pacific.net
Thu Apr 27 16:22:24 EDT 2017


Hi Doug:

I have one on order (less than $5 for the LED kit).  I'll post again when there's more to say.
I'll add it to my Crystal Activity Meter web page rather than the Crystal Impedance MEters web page.
http://www.prc68.com/I/Xam.html
http://www.prc68.com/I/CrystalImpedanceMeters.html

-- 
Have Fun,

Brooke Clarke, N6GCE
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html

-------- Original Message --------
> I put together one of the red pc board kits that you see on the e-place.  Thing has 5 seven segment LCD digits, a 9V input socket, a small crystal socket for the tiny long wire crystals you see around, and a function switch which, when pressed, displays "sub", "add", etc.  Haven't figured it out.
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> The main issue i have with the unit is it seems to read left to right, from mHZ to kHZ and then rounds off or truncates the decimal or last digit so that you still don't know exactly what frequency it is and worse, can't tell how far off an old crystal is.
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> Has anyone found a function or truth table for these things?
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> Thanks in advance,
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> Doug W5JV
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