Product code: Reflux

Product Overview

Reflux Flow Transmitters combine variable area flowmeter and position sensing technology to provide both a direct reading and 4 to 20 mA transmission output in a single unit. This unique approach makes the Reflux Flowmeter an ideal choice for integration into customer equipment.

Key Features & Benefits

  • Low to medium flows
  • 4 to 20 mA transmission
  • Local indication
  • EEx ia IIC T6
  • Fast response
  • Low pressure drop

Typical Applications

  • General Plant Use
  • Laboratory Applications
  • Analytical Applications
  • Doping Gas control
  • Chromatography
  • Gas measurements
  • Liquid measurements
  • Gas analysers

Typical Industries

  • Paper and pulp industry
  • Pharmaceutical industry
  • Medical technology
  • OEM
  • Educational Equipment
  • Nuclear Industry


Gas Range 0.6 to 600 L/min (Air equiv.)
Liquid Range 6 cm³/min to 40 L/min (Water equiv.)
Output 2-wire, 4 to 20 mA loop powered
Supply 8 to 30 V DC
Approvals EEx ia IIC T6 ATEX II 2GD T70°C IP65
Accuracy ± 2% FSD
Flowrate Reading 'Top' edge of the Float @ middle of the Graduation Line
Temperature -15 to 60°C
Pressure (Non Shock) 20 bar max.
Connections 3/8", 1/2", 1" BSP Parallel Female

Standard Materials

Connections 316 Stainless Steel
Seals Viton or Nitrile
Flow Tube Borosilicate Glass

Other Accessories Available

  • Transmitter Dongle & Software

    Part number: Transmitter Dongle & Software

    Part summary: Part summary: The Transmitter Dongle & Software allow calibration and set up of our Reflux and iMT Flow Transmitters. With the RS232 interface module and Windows application, the transmitters can be set up and customised to suit most applications in the field. Programmable variables includes:

    • No Direct Contact
    • Easily configured to any application
    • Identifies critical changes
    • Input / Output linearisation
    • Electronic smoothing of output