[Amps] SB220 Meter blown

[Adrian]

from ; http://www.somis.org/sb-220ci.html

"6. Meter damage can be avoided by connecting two, ordinary = or >1A, 
any PIV, silicon rectifiers across the terminals on each meter. The two 
diode arrows should point in opposite directions."


On 16/5/20 1:10 am, Artek Manuals wrote:
> I am resurrecting a SB220 that had an apparent classic Grid/plate 
> short event. One of casualties appears to be the right hand meter 
> movement. This is the one for Grid Current and HV. I am pretty far 
> into it and the meter movement measures open , the internal shunt 
> resistor is blackened ( and open?)
>
> Anyone got a surplus movement from a parted out unit? Nothing found on 
> evil-bay at the moment
>
> Dave NR1DX
>