Doric Instruments 1000 Pro Series Digital Panel meters are suitable - Manual (Page 11)

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JUMPER CONNECTIONS
50.0/500
DISPLAY
1 AMP
100.0/1000 150.0/1500 199.9/1999
1 AMP 1 AMP 1 AMP INPUT
50.0/500
5 AMP
100.0/1000 150.0/1500 199.9/1999
5 AMP 5 AMP 5 AMP
AC CURRENT TRANSFORMER