Process Weighing Indicator(EM131) Features: 5 Digit Red LED Display 4 Keys keyboard. Retransmission : 0-10VDC/4-20mA Serial Communication : RS 485 (Modbus) (Baud Rate Settable) Two Alarm Relays Peak Hold/Erase Functions Tank weighing option Panel Mountable : 96 Width x 42 Height x 110 Depth