... +1digit 2)4 digit display,7 segment LED 3)Alarm/RS485/4-20mA output 4)AC/DC ... or DVTwo Windows, Four Digital,7 segment LED displaySize:7 kinds of size availableAdopts high precision ... technology and Modular StructureCan select Relay alarm output: High, Low limit alarm(Option)Can select 4-20mA,0 ... RS485-RS232 communication port(Option)High & Low Alarm value, measured value and signal output value can ...