1. digital display counters 2. power off memory 3. dual row display 4. interference resistance 5. relay or transistor output Digital display countersFeatures1. Setup and output of two sections (relay or transistors: NPN or PNP);2. 6 kinds of output logic: F, N, R, C, L, K, Q and A;3. Power off memory functions;4. The meters provide DC24V power supply (other specifications may be worked out);5. ...