[Collins] Meter sensitivity-312B-4 etc

[Mac McCullough]

Gerald:  all 312b-4/5 watt meter movements were / are 200ua ,  if your 
typing fingers are anywhere close to mine, the zero and the nine were 
interposed..   mac/mc   w5mc



Located 46 miles due North of the Alamo, and 121 miles due South of the 
Western White House.   see my website at  www.collinsandharrisradios.com
----- Original Message ----- 
From: "Gerald" <geraldj at ispwest.com>
To: <collins at mailman.qth.net>
Sent: Monday, April 18, 2005 2:29 PM
Subject: Re: [Collins] Meter sensitivity-312B-4 etc


> On Tue, 2005-04-19 at 08:17 +1200, Dave Brown wrote:
>> Ayone know what the sensitivity of the meters used with the
>> directional couplers in the above and similar units is? I can pull one
>> out and do some measurements but maybe someone knows already-the parts
>> list does not quote the meter sensitivity which I thought a  bit
>> strange.
>> 73
>>  Dave, ZL3FJ
>
> My 1959 Yellow book says 290 UA, I presume that's 290 microamps.
> -- 
> 73, Jerry, K0CQ, Technical Advisor to the CRA
> All content copyright Dr. Gerald N. Johnson, electrical engineer
>
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