[Milsurplus] ME-11A/U frequency range and cal instructions

[Jim Whartenby]

John
I just checked my ME-11B/U which was made by Decitron Electronics in a nice bright yellow painted case.  It uses one 1N21 diode in a glass case with red and brown stripes on the glass.  The shape is the same as the old style 1N34 Sylvania diodes so perhaps that is what you found in your ME-11A/U?  By the way, the B/U has four calibration pots so it must be more accurate!
Jim



----- Original Message ----
From: jmfranke <jmfranke at cox.net>
To: milsurplus at mailman.qth.net
Sent: Mon, June 21, 2010 11:32:48 AM
Subject: Re: [Milsurplus] ME-11A/U frequency range and cal instructions

I received a fair number of responses saying the meter is the military 
version of the Bird 611.  Unfortunately, it is not.  The ME-11A/U by Electro 
Impulse Lab., Inc. has only one detector diode, a 1N34 or 1N82 style.  The 
611 uses a 1N21B point contact cartridge diode.  There is a toggle switch on 
the front of the ME-11A/U to change scales, 15W or 60W.  The 611 uses two 
sockets for the detector diode to switch scales.  There are three internal 
calibration potentiometers in the ME-11A/U.  The 611 has none.  The ME-11A/U 
meter does not have any frequency limits printed on the meter dial.  The 611 
meter says 30-500 MC.  The ME-11A/U label plate says for General Radio Use. 
If anyone has the wiring diagram, frequency range, and the 60 Hz calibration 
instructions for this ME-11A/U, I would be very grateful for a copy.  A 
complete manual would be a super plus.  I would be happy to pay for copies 
and shipping.

John  WA4WDL 


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