F&J - Model DF-100E Series -Portable Digital Flow Meter Kit

The typical operating flow ranges vary from 1 CFM to 9 CFM (30 – 255 LPM). Custom higher flow ranges with exterior mounted flow sensors are available upon request.

• Data Storage Device: (P/N: 232FCDSD)
• 2+ GB Secure Digital Card: (P/N: 372239)
• Flashcard Reader: (P/N: SDDR-199-A20)

• Display in English or metric units set at factory
• Choices of flow/volume units:
• sccm scc
• SLPM SL
• SCMH SCM
• SCFM SCF
• State of the Art microprocessor electronics
• Flowrate and volume totalizations displayed are corrected to a factory settable Reference Temperature and Pressure (4 options available)
• Classical STP 0ºC, 760 mmHg
• Normal T and P 20ºC, 760 mmHg
• Modified Normal T and P 21,1ºC, 760 mmHg
• Standard Ambient T and P 25ºC, 760 mmHg
• Elapsed time meter
• Auto zero calibration feature of flow sensor
• Bright LED display
• Flow rate accuracy within ± 4% F.S.
• RS-232 Communication Port w/Operator selectable download frequency for real-time data
• Auto Shut-off on time or volume
• DF-100: 110 – 120VAC, 50/60Hz; single phase; < 7.20 FLA*
• DF-100E: 220 – 240VAC, 50/60Hz; single phase; < 3.24 FLA*
• * FLA = Full Load Amps

• Measurement Accuracy:
• Air flow ± 4% of full scale
• Temperature ± 2.0º F (1.1º C)
• Barometric Pressure 2% over measured range
• Operating Temperatures: 0º to 122º F (-17º to 50º C)
• Storage Temperature: 0º to 158º F (-17º to 70º C)
• Calibration: Calibration-Verification once per year
• Communications Interface: RS-232 (comma delimeted text file)
• Display: LED; 6 character

• Flow calculation from differential pressure value using best-fit curve method.
• Flow correction for standard temperature and pressure
• Auto-zero correction utilizing electro-pneumatic method to compensate for offset and drift (automatic once every minute).