AC/DC current transformer (TRMS) to 4/20mA current loop, with isolation, high precision. 0…25 …50 A In alternating current it measures the true effective value (TRMS). In direct current it allows to measure unidirectional and bidirectional currents. Accuracy: 0.5% , Frequency 20.. 2000Hz, Input/output/loop power supply 11…35 Vdc