Aalborg® Instruments’ ZFM Mass Flow Meters combine meter intelligence, user convenience, and outstanding flow performance. They are designed for multi-gas/multi-range functionality up to 8-bar (currently six gases) and standard accuracy of ± (0.5% RD + 0.2% FS) based on actual calibration.

By connecting the instrument to the RS232/RS485 port of a PC or lap-top and running free “ZFM Configuration Utility” software, the user can select different gas types and flow ranges within a few minutes without removing the instrument from the installation.

ZFM Design Features:

  •  Extensive self-diagnostics with status LED or OLED (optional) indication
  •  Automatic sensor zero offset adjustment (digital interface or local push button)
  •  Digital interface (RS-232 or RS-485) test/configuration port (optional Modbus RTU with isolated RS-485 transceiver)
  •  Two programmable Totalizers
  •  Full scale covered flow ranges from 3.5 sml/min to 10 sl/min in seven models
  •  Selectable analogue 0-5 Vdc, 0-10 Vdc, or 4-20mA outputs
  •  Universal 14-24 Vdc power supply input

ZFM User Features:

  •  Save time and money by on-site rescaling of your instruments to the desired gas and full-scale range. Currently, the following gases are supported: N2, Air, O2, Argon, Helium, and CO2.
  •  Save installation, instrument removal from the factory floor, and recalibration service costs, which are no longer applicable.
  •  OEMs can significantly reduce the number of instruments kept in stock, storage space, and ownership costs.