Features:
- Multi-drop Capability of up to 256 units (for RS-485 option)
- Stores calibration data for up to 10 different gases
- Supports 10 different engineering units including user defined
- Programmable 12 digits totalizer indicates total gas volume
- Flow alarm limits for high and low gas flow with relay output
- Pressure alarm limits for high and low gas pressure with relay output
- Temperature alarm limits for high and low gas temperature with relay output
- Four button keypad and large 128x64 graphical LCD with back light
- Digital (RS-232 or RS-485) and analog outputs operate simultaneously
- Internal conversion factors for up to 32 gases
- Automatic zero adjustment
- Self diagnostic tests
Aalborg Instruments Series DFM programmable thermal mass flow meter with digital signal processing. All features of the flow meter can be accessed via the local four button keypad and LCD. The digital interface operates via RS485 (optional RS-232 available) and provides access to applicable internal data including: flow, temperature, pressure reading, auto zero, totalizer and alarms settings, gas table, conversion factors and engineering units selection, dynamic response compensation and linearization table adjustment. The analog interface provides 0 to 5Vdc or 0 to 10Vdc or 4 to 20 mA outputs for flow, pressure and temperature (jumper selectable). The DFM supports automatic sensor zero offset adjustment which can be activated locally via keypad or remotely via digital interface. The auto zero feature requires absolutely no flow through the meter during auto zero process. Provisions are made to either start, stop or save the current auto zero value via digital commands. The total volume of the gas is calculated by integrating the actual gas flow rate with respect to time. Both keypad menu and digital interface commands are provided to:
For more information, please see Data Sheet
Meantime you may review Aalborg bestsellers or review the list of all available Aalborg products in the table below.
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For more products see Product List
Part Number |
DFM26S-VAL2-AA2 |
DFM26S-VAL2-AA5 |
DFM26S-VAL2-AB2 |
DFM26S-VAL2-AB5 |
DFM26S-VAL2-AC2 |
DFM26S-VAL2-AC5 |
DFM26S-VAL2-AD2 |
DFM26S-VAL2-AD5 |
DFM26S-VAL2-AE2 |
DFM26S-VAL2-AE5 |
DFM26S-VAL2-AF2 |
DFM26S-VAL2-AF5 |
DFM26S-VAL2-AG2 |
DFM26S-VAL2-AG5 |
DFM26S-VAL2-AH2 |
DFM26S-VAL2-AH5 |
DFM26S-VAL2-AI2 |
DFM26S-VAL2-AI5 |
DFM26S-VAL2-AJ2 |
DFM26S-VAL2-AJ5 |
DFM26S-VAL2-BA2 |
DFM26S-VAL2-BA5 |
DFM26S-VAL2-BB2 |
DFM26S-VAL2-BB5 |
DFM26S-VAL2-BC2 |
DFM26S-VAL2-BC5 |
DFM26S-VAL2-BD2 |
DFM26S-VAL2-BD5 |
DFM26S-VAL2-BE2 |
DFM26S-VAL2-BE5 |
DFM26S-VAL2-BF2 |
DFM26S-VAL2-BF5 |
DFM26S-VAL2-BG2 |
DFM26S-VAL2-BG5 |
DFM26S-VAL2-BH2 |
DFM26S-VAL2-BH5 |
DFM26S-VAL2-BI2 |
DFM26S-VAL2-BI5 |
DFM26S-VAL2-BJ2 |
DFM26S-VAL2-BJ5 |
DFM26S-VAL2-CA2 |
DFM26S-VAL2-CA5 |
DFM26S-VAL2-CB2 |
DFM26S-VAL2-CB5 |
DFM26S-VAL2-CC2 |
DFM26S-VAL2-CC5 |
DFM26S-VAL2-CD2 |
DFM26S-VAL2-CD5 |
DFM26S-VAL2-CE2 |
DFM26S-VAL2-CE5 |
DFM26S-VAL2-CF2 |
DFM26S-VAL2-CF5 |
DFM26S-VAL2-CG2 |
DFM26S-VAL2-CG5 |
DFM26S-VAL2-CH2 |
DFM26S-VAL2-CH5 |
DFM26S-VAL2-CI2 |
DFM26S-VAL2-CI5 |
DFM26S-VAL2-CJ2 |
DFM26S-VAL2-CJ5 |
DFM26S-VAL4-AA2 |
DFM26S-VAL4-AA5 |
DFM26S-VAL4-AB2 |
DFM26S-VAL4-AB5 |
DFM26S-VAL4-AC2 |
DFM26S-VAL4-AC5 |
DFM26S-VAL4-AD2 |
DFM26S-VAL4-AD5 |
DFM26S-VAL4-AE2 |
DFM26S-VAL4-AE5 |
DFM26S-VAL4-AF2 |
DFM26S-VAL4-AF5 |
DFM26S-VAL4-AG2 |
DFM26S-VAL4-AG5 |
DFM26S-VAL4-AH2 |
DFM26S-VAL4-AH5 |
DFM26S-VAL4-AI2 |
DFM26S-VAL4-AI5 |
DFM26S-VAL4-AJ2 |
DFM26S-VAL4-AJ5 |
DFM26S-VAL4-BA2 |
DFM26S-VAL4-BA5 |
DFM26S-VAL4-BB2 |
DFM26S-VAL4-BB5 |
DFM26S-VAL4-BC2 |
DFM26S-VAL4-BC5 |
DFM26S-VAL4-BD2 |
DFM26S-VAL4-BD5 |
DFM26S-VAL4-BE2 |
DFM26S-VAL4-BE5 |
DFM26S-VAL4-BF2 |
DFM26S-VAL4-BF5 |
DFM26S-VAL4-BG2 |
DFM26S-VAL4-BG5 |
DFM26S-VAL4-BH2 |
DFM26S-VAL4-BH5 |
DFM26S-VAL4-BI2 |
DFM26S-VAL4-BI5 |
DFM26S-VAL4-BJ2 |
DFM26S-VAL4-BJ5 |
DFM26S-VAL4-CA2 |
DFM26S-VAL4-CA5 |
DFM26S-VAL4-CB2 |
DFM26S-VAL4-CB5 |
DFM26S-VAL4-CC2 |
DFM26S-VAL4-CC5 |
DFM26S-VAL4-CD2 |
DFM26S-VAL4-CD5 |
DFM26S-VAL4-CE2 |
DFM26S-VAL4-CE5 |
DFM26S-VAL4-CF2 |
DFM26S-VAL4-CF5 |
DFM26S-VAL4-CG2 |
DFM26S-VAL4-CG5 |
DFM26S-VAL4-CH2 |
DFM26S-VAL4-CH5 |
DFM26S-VAL4-CI2 |
DFM26S-VAL4-CI5 |
DFM26S-VAL4-CJ2 |
DFM26S-VAL4-CJ5 |
DFM26S-VAL5-AA2 |
DFM26S-VAL5-AA5 |
DFM26S-VAL5-AB2 |
DFM26S-VAL5-AB5 |
DFM26S-VAL5-AC2 |
DFM26S-VAL5-AC5 |
DFM26S-VAL5-AD2 |
DFM26S-VAL5-AD5 |
DFM26S-VAL5-AE2 |
DFM26S-VAL5-AE5 |
DFM26S-VAL5-AF2 |
DFM26S-VAL5-AF5 |
DFM26S-VAL5-AG2 |
DFM26S-VAL5-AG5 |
DFM26S-VAL5-AH2 |
DFM26S-VAL5-AH5 |
DFM26S-VAL5-AI2 |
DFM26S-VAL5-AI5 |
DFM26S-VAL5-AJ2 |
DFM26S-VAL5-AJ5 |
DFM26S-VAL5-BA2 |
DFM26S-VAL5-BA5 |
DFM26S-VAL5-BB2 |
DFM26S-VAL5-BB5 |
DFM26S-VAL5-BC2 |
DFM26S-VAL5-BC5 |
DFM26S-VAL5-BD2 |
DFM26S-VAL5-BD5 |
DFM26S-VAL5-BE2 |
DFM26S-VAL5-BE5 |
DFM26S-VAL5-BF2 |
DFM26S-VAL5-BF5 |
DFM26S-VAL5-BG2 |
DFM26S-VAL5-BG5 |
DFM26S-VAL5-BH2 |
DFM26S-VAL5-BH5 |
DFM26S-VAL5-BI2 |
DFM26S-VAL5-BI5 |
DFM26S-VAL5-BJ2 |
DFM26S-VAL5-BJ5 |
DFM26S-VAL5-CA2 |
DFM26S-VAL5-CA5 |
DFM26S-VAL5-CB2 |
DFM26S-VAL5-CB5 |
DFM26S-VAL5-CC2 |
DFM26S-VAL5-CC5 |
DFM26S-VAL5-CD2 |
DFM26S-VAL5-CD5 |
DFM26S-VAL5-CE2 |
DFM26S-VAL5-CE5 |
DFM26S-VAL5-CF2 |
DFM26S-VAL5-CF5 |
DFM26S-VAL5-CG2 |
DFM26S-VAL5-CG5 |
DFM26S-VAL5-CH2 |
DFM26S-VAL5-CH5 |
DFM26S-VAL5-CI2 |
DFM26S-VAL5-CI5 |
DFM26S-VAL5-CJ2 |
DFM26S-VAL5-CJ5 |
DFM26S-VBL2-AA2 |
DFM26S-VBL2-AA5 |
DFM26S-VBL2-AB2 |
DFM26S-VBL2-AB5 |
DFM26S-VBL2-AC2 |
DFM26S-VBL2-AC5 |
DFM26S-VBL2-AD2 |
DFM26S-VBL2-AD5 |
DFM26S-VBL2-AE2 |
DFM26S-VBL2-AE5 |
DFM26S-VBL2-AF2 |
DFM26S-VBL2-AF5 |
DFM26S-VBL2-AG2 |
DFM26S-VBL2-AG5 |
DFM26S-VBL2-AH2 |
DFM26S-VBL2-AH5 |
DFM26S-VBL2-AI2 |
DFM26S-VBL2-AI5 |
DFM26S-VBL2-AJ2 |
DFM26S-VBL2-AJ5 |