FS: Heath/Zenith ETW-3100 Electronic Experimenter and Two SM-1210 DVM's

Bob Groh WA2CKY rgroh at SWBELL.NET
Tue Nov 4 17:09:51 EST 2008


More cleaning up in the basement/ham shack. Two lots of stuff to go this time and I put pictures on the web at:
http://picasaweb.google.com/bob.groh/Ham_Parts#

First I have an ETW-3100 (i.e. a wired version of the ET-3100) with manual and still in the original Heath/Zenith box (in nice shape). I have another EW-3100 I use and so, reluctantly, I concluded I should offer this one to the list. Manual is completely unmarked and does include all the assembly details. The ETW-3100 is nice for breadboarding new circuits - it not only includes an large breadboarding socket to plug in and interconnect components but also includes two variable and regulated power supplies (one negative and one positive - 1 to 15 VDC), a 200 Hz to 20 kHz signal generator (sine and square wave outputs) and a 1K and 100K pot.  Very handy to throw together something to experiment with.
Price: $50 (postage included (USPS Priority Mail))

Second, I have two(2) SM-1210 Digital multimeters. No manuals, leads, etc with these. I plugged them in for a quick checkout (VDC using a single AAA battery and resistance using a 33K ohm resistor). The top DVM in the pictures lites up but does not read either voltage or resistance. The bottom DVM lites up and seems to work ok although both readings were high (i.e. VDC = 1.85 V and R = 36K). Did not check any of the other ranges or modes.
Both in one lot for $30 (again postage included).

Check, money order is fine. PayPal is fine if you don't mind adding an extra $2.00 to help cover the fees. My address is fine on QTH.com or any other site under my call sign (WA2CKY).  Email me privately and thanks for looking.

73
Bob Groh, WA2CKY

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