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$15 · 3 Working DC Amp Meters

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1. Starter Current Indicator * 0 to +/- 400 Amps with 100 Amp course, and 20 Amp fine, graduations * with the original protective box and a bilingual instruction/info. sheet * model 20-0215 for 6, 12 or 24 volt systems * overall 2.75 in. sq. x 7/8 in. thick (1.25 in. thick with the rear U shaped metal strip that fits around a battery wire); meter face: 2.25 x 1.5 in. * the meter rear fits around the wire to either the + or - battery terminal * when the engine is cranking, the meter detects starter current by electromagnetic induction (no need to disconnect any wires or use any extra connecting wires) * the glass front has a crack, but it doesn't affect ability to clearly read the Amps 2. Sensitive 50 MicroAmp Full Scale Meter * vintage Stark brand model 605HS * with 5 microAmp course, and 1 microAmp fine, graduations * shown with a metal box it can be mounted to (3 machine screws included) * meter only is overall 2.75 in. dia. x 1.5 in. thick (2 1/8 in. thick with the 2 rear terminals, 1 labelled '+'); meter face: 1 7/8 in. dia. * can be used to measure voltages with appropriate sized series resisters (not included) * can be used to measure higher currents with appropriate sized resistive shunts (not included) 3. 5 MilliAmp Full Scale Meter, with about 10 Ohms Meter Resistance * was originally part of a battery charger and testing system, showing 120 Amps full scale (not the meter's 5 mA full scale) * with six 20 Amp course, and twenty four 5 Amp fine, graduations * with meter zero adjustment * shown mounted to a sturdy wooden frame (removable from the frame) * meter only is overall 4 5/8 w x 4 3/16 x 1 5/8 in. thick (2 3/8 in. thick with the 2 rear terminals); meter face: 4 1/8 x 2 3/16 in. * wooden frame includes terminals wired to the meter, and 2 shunts for 3 and 30 Amps full scale * with the 3 amp shunt, the meter 6 course and 24 fine graduations correspond to .5 Amps and 125 mA * with the 30 amp shunt, the meter 6 course and 24 fine graduations correspond to 5 and 1.25 Amps * the meter scale numbers can be relabelled with exterior overlays to correspond to the above full scale currents, or to what ever else the meter is used for $5 each john.gruber@sympatico.ca, 613-824-6539

Ad #
31071410
Posted
December 17, 2017
Renewed
January 29, 2019
Expiry
February 28, 2019
Status
SOLD
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