DC Amps 101 Segments Bargraph (red, green or tri-color) Meter Controller and Transmitter. Excellent replacement for Horizontal and Vertical Switchboard Meters. 144x36mm, in a 9/64 DIN Case. Select ID02, DC-Millivolt, 20/50/100/200mV DC for use with external shunts (100mV shunt is standard). Select ID09 with 1A internal shunt or ID04 with 5A internal shunt, both suitable for direct measurement of up to 1A DC or 5A DC.