Precision Velocity Pressure Transmitter With Operator Led Keyboard Volume Output is standard in m3/s adjustable to m/s - -m3/s - m3/h - l/s - ACR Linear Pressure Output selectable Pa - mBar - hPa - kPa Auto Zero standard Modbus RTU Communications Linearity 0.5% - 0.2% Remote Modbus Display connector One alarm relay with change over contact Alarm Buzzer fitted on board internally PID Control Output on terminals Signal output 0..10V and 4..20mA Enclosure ABS plastic P65. Ukas traceable Calibration Certificate