Bar Graph Meter Relay

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Compact and lightweight model in accordance with DIN standard DC 24V power supply designed for 4-point alarm and 2-wire transmitters Often used as a receiver of 2-wire or 4-wire transmitter (such as pH/ORP meters, conductivity analyzers and DO meters)  Meas. range pH meter: pH; 0 - 14 70divisions (to be specified otherwise)