[GreenKeys] OT -- old test gear

[Richard Knoppow]

    I don't know what batteries it wants but I have had some 
success in making up batteries from available cells. For example 
I have a TS-352 which requires three 4.5V batteries. I replaced 
these with three cell holders, each holding three AA cells. I got 
the holders from Radio Shack but have seen similar ones 
elsewhere. They fit into the space provided for the original 
batteries. I fastened them in with double stick tape. This works 
very well and I suspect the cells will last for many years. I 
also built an adaptor for a General Radio null indicator which 
originally used mercury cells. Enough room inside to fit it in. 
Perhaps you could make up something for this classic that would 
bring it back to life. Batteries are probably for the ohm meter 
function and should not be too critical.
    BTW, the TS-352 (I think the meter is an ME-9) has been 
useful because it has both a 1000 ohm/volt divider and a 20,000 
ohm/volt divider string in it. The 1000 ohm/volt function is 
useful for some equipment where the voltage charts were made up 
with a low resistance meter, for instance the Hammarlund 
SP-600-JX. The charts specify a Weston Meter that I had some 
trouble looking up. Sure enough its a 1000 ohm/volt meter. One 
can use a 20K ohm/volt meter for the radio but many of the 
voltages will read high.

On 4/2/2022 12:05 PM, Nick wrote:
> I have one of those in the original box including manual. Don't 
> know in what box that meter is hiding in at the moment. A few 
> years ago I was trying to find the right size batteries for it. 
> Unfortunately, the device needs an odd voltage to operate - they 
> don't make these kind of batteries any more.
> 
> Nick  -  N0NCQ
> 
> 
> 
> Sent from my T-Mobile 4G LTE Device
> 
> 
> 
> -------- Original message --------
> From: "gil baudot.net" <gil at baudot.net>
> Date: 4/2/22 12:16 PM (GMT-05:00)
> To: aaa-greenkeys <greenkeys at mailman.qth.net>
> Subject: [GreenKeys] OT -- old test gear
> 
> a fun bit of old test gear in  nice shape:
> 
> https://www.electronicdesign.com/technologies/test-measurement/video/21235784/electronic-design-a-1935-weston-selective-analyzer 
> <https://www.electronicdesign.com/technologies/test-measurement/video/21235784/electronic-design-a-1935-weston-selective-analyzer>
> <https://www.electronicdesign.com/technologies/test-measurement/video/21235784/electronic-design-a-1935-weston-selective-analyzer>
> 	
> A 1935 Weston Selective Analyzer 
> <https://www.electronicdesign.com/technologies/test-measurement/video/21235784/electronic-design-a-1935-weston-selective-analyzer>
> www.electronicdesign.com
> 
> 
> 
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL