5 VDC power supply. 30 segment standard red or optional green or amber LED display.

AM-30

6 Header Selectable Process DC Ranges Plus 4 to 20 mA 

AM-30R1

6 DC Ranges + Selectable Process 4 to 20 mA w/One 2A/120 VAC Relay 

AM-30R2

6 DC Ranges + Selectable Process 4 to 20 mA w/Two 2A/120 VAC Relays