The evolved version of EL-FLOW! Featuring a multifunctional mass flow meter/controller for gas.
EL-FLOW Prestige is a next-generation mass flow meter controller for gas manufactured by Bronkhorst. Almost all components have been redesigned, incorporating many improvements and innovations. Bronkhorst has introduced "temperature difference balance technology" in this new series, achieving excellent stability. To enhance dynamic behavior, it features a newly designed, energy-efficient microprocessor with an innovative multi-stage control loop. The new metal housing is compact yet highly robust. 【Features】 ○ Innovative sensor ○ Original laminar flow element ○ Advanced control valve ○ Upgraded electronics *For more details, please contact us or download the catalog.
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basic information
【Specifications】 ○ Repeatability: <0.2%Rd ○ Turndown: 1:150 (1:50 in analog mode) ○ Multi-gas/Multi-range function: Supports built-in gases Air, N2, Ar, H2, O2, CO, CO2, He, CH4, SiH4, NH3, C2H2, C2H4, C2H6, Kr, C3H6 #2 (propene), C2H6, C3H8, NF3, N2O, H2S, Cl2, SF6, NO, Xe, and mixtures of up to 5 of these gases ○ Settling time; Fast: <500 msec ○ Standard: <1 sec ○ Slow: <2 sec ○ Operating temperature range: -10…70°C ○ Temperature dependence: Zero: <0.02%FS/°C; Span: <0.025%Rd/°C ○ Pressure dependence: <0.15%Rd/bar (typical value with N2); <0.02%Rd/bar (typical value with N2 when pressure compensation option is equipped) ○ External leak: <2 x 10-9 mbar l/s He ● For more details, please contact us or download the catalog.
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Applications/Examples of results
●Example of I/O Options ■Control of Shut-off Valve →The ON/OFF output from pin 5 of the D-sub 9-pin connector can be used to operate the shut-off valve. ■Pulse Output →You can enable the function to output flow at a user-defined frequency to an external device from pin 5 of the D-sub 9-pin connector. The pulse output can be directly supplied to external integrators, digital indicators, control instruments, etc. ■Cumulative Flow Reset Function →The EL-FLOW Prestige comes standard with alarm and counter functions. If the cumulative flow is displayed on a local R/C module like BRIGHT, it needs to be reset via button operation on the display. Alternatively, if you assign the counter reset function to pin 5, it can be reset by an external signal. *For more details, please contact us or download the catalog.
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Company information
Since 1981, Bronkhorst High-Tech B.V. has continued to provide a wide range of products in the field of thermal and Coriolis mass flow meters/controllers. Numerous types of standard or customized measuring instruments are available for use in R&D, various industrial sectors, or applications in hazardous locations.
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