[Milsurplus] Crystal tester

Jim Whartenby antqradio at sbcglobal.net
Sat Aug 10 12:43:47 EDT 2019


This looks interesting, eBay Item # 173233855996, no meter but it does have a built in frequency counter.  $19 including shipping, not a kit.  Covers 30kc to 20mc in two bands, less then 1mc, greater then 1mc.
There is also a kit, Item # 152244676797 has a go/no go LED and needs either a receiver or a frequency counter to determine crystal frequency.  Just about half the cost of the above.Jim
I wonder why people argue over the 10% of their differences and ignore the 90% they agree on? 

    On Friday, August 9, 2019, 10:44:26 PM CDT, Michael D. Harmon <mharmon at att.net> wrote:  
 
 They don't come up for auction very often, but a really handy one I was 
fortunate enough to land a few years ago is the SECO Model 500 
"CRYSTalignMETER".?? It was obviously made for the CB crowd back when the 
rigs were all "plug-in" crystal-controlled and the operators were still 
"sorta" trying to be legal (remember CB callsigns - i.e. KPH4939).?? 
Anyway, I've found it to be a handy solid-state checker for unknown 
crystals.?? It has sockets for HC-17 (which also fits FT-243 holders) and 
HC-6 crystals.?? It probably wouldn't be that difficult to add a socket 
for the HC-25 "scanner" type crystals.

It does have a meter, so that's a plus over the "idiot light" designs 
using an LED to show crystal activity.

FWIW ...

Mike Harmon, WB0LDJ

mharmon at att dot net


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