Ammeter/ Volt meter adjustment
I installed a cheap meter to read volts and amps sometime ago along with a shunt. There are two pots on the meter one for volts and one for amps. The volts I set with my volt meter but the amps I can ...
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CA Traveler wrote:Gjac wrote:Alternate approach: Disconnect the frame ground wire from the shunt. Connect the charger to the positive battery post and the shunt side away from the - post. Now the shunt and charger should read the same since there are no longer any house loads. The shunt electronics need to be connected so that they work.
I am charging my house batteries now at 15.4 v and 7.3 a according to my B&D 40 amp charger. The meter in question reads 15.2 v and 1.3 amps. My HF meter reads 15.3 v. Once it stabilizes I will try to adjust the pot to read the same as the B&D charger reading.
I think with the one way amps reading this meter has, you don't get that "net effect" like you do with the Trimetric amps.
