Flow rate : from 0.1 to 150 lpm Pressure up to 420 Bar Output options: 4 to 20 mA and Frequency Bi-directional operation Seals: NBR(Nitrile]/others available Internal parts: Gears: DIN 1.4122 SS Accuracy +/-1% of Indicative Reading This gear type flow meter has a built-in micro-controller that linearises and conditions the signal from the Flow meter. This enables due to connect directly into your Digital Display / PLC