Bronkhorst
MASS FLOW METERS / CONTROLLERS for gas - LOW-ΔP-FLOW series

LOW-ΔP-FLOW Mass Flow Meters / Controllers

For Low Pressure Drop or Corrosive Gas Service

For applications with only little differential pressure, Bronkhorst developed the LOW-ΔP-FLOW series mass flow meters and controllers. In these instruments, the flow resistance is minimized by a different sensor and by-pass construction.

  • Lowest range 0,2...10 mln/min
  • Highest range 20...1000 m3nh

 

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Quick link to Mass Flow Meter / Controller model pages

Mass Flow Meter model pages

Full Scale capacities (N2-equivalent) versus pressure rating and Ingress Protection rating

PN 10 bar - IP40 PN 10 bar - IP65
F-100D   |  10 ... 20 mln/min F-100DI  |  10 ... 20 mln/min
F-101D   |  0,021 ... 2,1 ln/min F-101DI  |  0,021 ... 2,1 ln/min
F-101E   |  1,4 ... 12 ln/min F-101EI  |  1,4 ... 12 ln/min
F-102D   |  14 ... 25 ln/min F-102DI  |  14 ... 25 ln/min
F-102E  |  8,5 ... 50 ln/min F-102EI  |  8,5 ... 50 ln/min
F-103D   |  40 ... 150 ln/min F-103DI  |  40 ... 150 ln/min
F-103E   |  45 ... 200 ln/min F-103EI  |  45 ... 200 ln/min
  F-106xD   |  10 ... 1000 m3n/h
  F-107xD   |  10 ... 1000 m3n/h
 

Mass Flow Controller model pages 

Full Scale capacities (N2-equivalent) versus pressure rating and Ingress Protection rating

PN 10 bar - IP40 PN 10 bar - IP65
F-200DV  |  10 ... 20 mln/min F-200DI   |  10 ...20 mln/min
F-201DV  |  0,021 ... 2,1 ln/min F-201DI   |  0,021 ... 2,1 ln/min
F-201EV  |  1,4 ... 12 ln/min F-201EI   |  1,4 ... 12 ln/min  
F-202DV  |  14 ... 25 ln/min F-202DI   |  14 ... 25 ln/min
F-202EV  |  8,5 ... 50 ln/min F-202EI   |  8,5... 50 ln/min
F-201DS  |  0,021 ... 2,1 ln/min  
F-201ES  |  1,4 ... 12 ln/min  

Control of mass flow with small pressure differences

The control of mass flow with small pressure difference comprises the LOW-ΔP-FLOW Mass Flow Controller in compact construction; control valve and flow meter are integrated in one body. The maximum flow in these compact models is 1...50 ln/min Air, depending on the operating conditions. For the control of higher flow rates at very low differential pressures Bronkhorst has devised special control valves with pressure compensation bellows (types F-004AC/F-004AI/F-004BI). These control valves are piped on to the flow meter while the electronic PI-control function is an integral part of the flow meter.

"Multibus" Digital Mass Flow Meters/Controllers

Bronkhorst developed their digital instruments according to the flexible "multibus" concept, due to which the instruments can be equipped with on-board interface board with CANopen®, DeviceNet™, EtherCAT®, PROFIBUS DP, PROFINET, Modbus RTU, ASCII or TCP/IP, EtherNet/IP, POWERLINK or FLOW-BUS protocol. More information about digital "multibus" communication.

Read more about thermal technology using the bypass principle

Features

  • Very low pressure drop
  • Longer lifetime when used on corrosive gases
  • Lower contamination risk
  • Easy to clean
  • Available with control valve to constitute a complete, compact control loop
  • Available with industrial (IP65 weatherproof) housing with optional ATEX Zone 2 Cat. 3 or FM Class I, Div. 2 approval.
  • Best in class mean-time-between-failure (MTBF) data based on the IEC 61508 standard

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Downloads

Brochures
LOW-ΔP-FLOW Brochure

Manuals
General manual digital instruments
Operating instructions digital instruments
Quick start guide LOW-dP-FLOW lab-style
Quick start guide LOW-dP-FLOW industrial style

Hook-up diagrams
Analog IO - RS232
DeviceNet
EtherCAT
FLOW-BUS
Modbus RTU/ASCII
PROFIBUS DP
PROFINET
CANopen
EtherNet/IP
Modbus-TCP
POWERLINK
Optional Bus and IO Configurations
MASS-STREAM Waste water application

Applications

  • Environmental air sampling at atmospheric conditions
  • Leak rate tests
  • Gas consumption measurement, for example of natural gas, in low pressure gas distribution systems
  • Burner control

Application story