Bronkhorst EL-FLOW Select mass flow meters/controllers

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EL-FLOW Select series mass flow meters/controllers from Bronkhorst are thermal mass flow meters of modular construction with a ‘laboratory style’ pc-board housing. Control valves can either be integrally or separately mounted, to measure and control gas flows.

The control valve design of the mass flow controller distinguishes itself from competitive designs by its modular construction and its ability to be field replaced or changed by the user without any adjustment. The standard valve is normally closed and is available up to Kv-values of 1.5. Normally opened valves can also be supplied.

For high (differential) pressure applications, patented constructions enable the user to handle high flows and/or pressures at differential pressures up to 400 bar in the EL-FLOW Select program, a capability which the company says is unique in the marketplace.

All models of the series are equipped with a digital pc-board, featuring self-diagnostics, alarm and counter functions, digital communication (RS232) and remotely adjustable control settings. These digital instruments offer good flexibility thanks to the ‘multibus’ concept, whereby the instruments can be equipped with an on-board interface with DeviceNet, PROFIBUS DP, Modbus, PROFINET, EtherCAT or FLOW-BUS protocol.

EL-FLOW Select instruments can be offered with optional Multi Gas/Multi Range (MG/MR) functionality. This option offers greater flexibility for user selection of both flow ranges and gas types, maintaining high accuracy and turndown range for measurement and control. Users of these instruments can rescale their instruments on site, saving time (and money) for mounting and dismounting.

For more information: https://www.ams-ic.com.au/products/flow-gases/bronkhorst-high-tech/.