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Simpson dc gauge, model 2121, 0-500 micro amps dc


SIMPSON DC Gauge, model 2121, 0-500 micro Amps DC
This is a new SIMPSON ELECTRIC COMPANY model 2121 amp gauge. As labeled by the consignor, it measures 0-100 micro amps DC current. The gauge face, however, idenitifies it as 0-500 micro amp VAC gauge. The part number on the face, Davis-Inotek H434178, also indicates from their web site, that it is a micro amp gauge.
The gauge as you see it in the first picture measures 1.75 inches by 1.75 inches square.



Simpson dc gauge, model 2121, 0-500 micro amps dc