DFM Series

DFM Series2020-10-08T07:02:25+00:00

Gas Flow MeterDFM is Delta new air flow sensor series, with compact size and friendly use setting, can fulfill many operating environment and narrow space installation demand.

DFM using thermopile technology, compare traditional sensing methods, thermopile technology can be more accurate and stable. DFM also has built-in 3 layers of current velocity stable net, no need to reserve pipe length to avoid air turbulence.


  • Offers voltage, current, and digital signal outputs
  • Provides Ф8 quick connector for pipes of 8mm diameters
  • Built-in measurement functions include: instantaneous flow value, accumulated flow value, reverse display, value default, locked buttons, energy-saving mode, analog output, and retarded alarm
  • Displays up to 4-digit instantaneous flow values, or 8-digit accumulated flow values
  • LCD screen can be set up as a monochrome or two-color display based on users’ requirements
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