XFM with Optional Profibus Interface

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22nd December 2007

Source: Aalborg Instruments

Flow Rates of XFM Digital Mass Flow Meters can be displayed in 23 volumetric flow or mass flow engineering units, which include user-specific units. In addition, conversion factors for up to 32 gases , as well as a provision for a user-defined conversion factor, are stored in the XFM.

Aalborg® is pleased to introduce the Model XFM, the latest addition to its programmable Thermal Mass Flow Meter line. This low cost smart meter is designed for convenience (it can be programmed remotely), performance (unit stores calibration data for 1-10 gases and conversion factors for up to 32 gases), and accuracy (±1% of FS at calibration temperature and pressure).

The XFM's automatic sensor zero offset adjustment can be activated locally (maintenance push button) or remotely (via digital interface). Digital command technology starts, reads, or saves the current auto zero value.

Additional XFM Features:

Aluminum and stainless steel models.
Digital interface RS485, RS232 (with or without LCD displays), and optional Profibus DP (with I&M functionality).
Programmable Totalizer.
High/Low Flow Alarms
Self-Diagnostic Tests.
23 different Volumetric Flow or Engineering Units.
Internal or user-specific K-factors.

Aalborg®'s XFM Digital Thermal Mass Flow Meters are NIST traceably calibrated and individually programmed.

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