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Laboratory style GAS Mass Flow Meters/Mass Flow Controllers

EL-FLOW® Select Series Mass Flow Meters/Controllers 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 from: lowest range 0,014…0,7 mln/min up to highest range 8…1670 ln/min The control valve design of the mass flow controller […]

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EL-FLOW® Select Series Mass Flow Meters/Controllers 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 from:

lowest range 0,014…0,7 mln/min
up to highest range 8…1670 ln/min

The control valve design of the mass flow controller distinguishes itself
from competitive designs by its truly 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 us to handle high flows and/or pressures at differential pressures
up to 400 bar in the EL-FLOW® program, a capability which is
unique in the market place. More
info about high pressure mass flow meters/controllers.

Digital = Standard

All models of the EL-FLOW Select 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 from Bronkhorst High-Tech offer great flexibility thanks to
the “multibus” concept, whereby the instruments can be equipped with an
on-board interface with DeviceNet™, PROFIBUS DP, Modbus, EtherCAT®
(MBC3 pcb required) or FLOW-BUS protocol. More
information about digital “multibus” communication.

Optional Multi Gas / Multi Range

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. Thanks hereto,
users of these instruments can rescale their instruments on site, saving
time (and money) for mounting and dismounting. For the convenience of the
user, Bronkhorst High-Tech has developed an easy-to-use software tool called
“FlowTune” for changing the configuration of Select instruments with activated
Multi Fluid / Multi Range option (to be specified at the moment of ordering).

Features

  • High accuracy (standard 0,5% Rd plus 0,1% FS)
  • Rangeability in digital mode up to 1:187,5
  • Fast response (down to 500 msec), excellent repeatability
  • Optional Multi-Gas / Multi-Range functionality: freely programmable
    ranges and gas types
  • Pressure ratings 64 / 100 bar (Multi-Gas / Multi-Range functionality
    up to 10 bar)
  • High pressure versions
    available
  • Analog I/O-signals, RS232-connection; optional on-board fieldbus interface
  • Electro-chemical polishing of all surfaces
  • Compact, modular construction
  • Metal sealed and/or
    down-ported versions
    available

Flow capacities (based on air)

Mass Flow Meter (MFM);
PN100 (Pressure rating 100 bar)
Ranges
Series F-110C min. 0,014 … 0,7 mln/min
max. 0,06 … 9 mln/min
Series F-111B min. 0,16 … 8 mln/min
max. 0,16 … 25 ln/min
Series F-111AC min. 0,4 … 20 ln/min
max. 0,6 … 100 ln/min
Series F-112AC min. 0,8 … 40 ln/min
max. 1,4 … 250 ln/min
Series F-113AC min. 4 … 200 ln/min
max. 8 … 1670 ln/min

 

Mass Flow Controller (MFC);
PN64 / PN100
Ranges
Series F-200CV / F-210CV 1) min. 0,014 … 0,7 mln/min
max. 0,06 … 9 mln/min
Series F-201CV / F-211CV 1) min. 0,16 … 8 mln/min
max. 0,16 … 25 ln/min
Series F-201AV / F-211AV 1) min. 0,4 … 20 ln/min
max. 0,6 … 100 ln/min
Series F-202AV / F-212AV 2) min. 0,8 … 40 ln/min
max. 1,4 … 250 ln/min
Series F-203AV / F-213AV 2) min. 4 … 200 ln/min
max. 8 … 1670 ln/min
See more Instrumentation system tools here.

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