The Bronkhorst Liqui-Flow series mass meters and controllers for low flow rates are now available in compact, rugged design according IP 65 and Atex approved for use in category 3, zone 2 hazardous areas. The liquid flow meters and controllers cover flow rates from 0.25 g/h to 1 kg/h and can be used in applications with pipeline pressures up to 100 bar. The stainless steel sensor has negligible internal volume and no moving parts. Calibration of the mass flow meters/controllers can be performed for virtually every liquid and up to eight calibration curves can be stored onboard the instrument itself. In addition, the digital instruments feature fast response (<2 s) and high accuracy (1 % FS or better). Liqui-Flow instruments have analogue I/O-signals and an RS232 connection. In addition to this there is the possibility of integrating an interface board with DeviceNet, Profibus-DP or Flow-Bus protocol.
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