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.
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- F&J - Model DF-100 Series - Portable ...
F&J - Model DF-100 Series -Portable Digital Flow Meter Kit
The DF-100 Series portable flowmeter upgrade kits are designed to upgrade existing air sampling systems utilizing motors of 1/3 HP or less. The DF-100 units are connected in-line between the pump inlet and the filter holder. The DF-100 Series upgrade eliminates the need to engage in expensive conversions of equipment or the need to purchase new air sampling systems.
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- MEASUREMENT ACCURACY:
- Air flow ± 4% of full scale
- Temperature ± 2.0ºF (1.1ºC)
- Barometric Pressure 1% over measured range
- OPERATING TEMPERATURES: 32º - 104ºF (0- 40ºC)
- STORAGE TEMPERATURE: 32º- 122ºF (0º - 50ºC)
- CALIBRATION: Factory calibration 1 per year
- COMMUNICATIONS INTERFACE: RS-232
- INSTALLATION CATEGORY: Pollution Degree 2
- ON-BOARD CALCULATIONS:
- 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)
- COMBINATION FILTER HOLDER: Durable plastic combination filter holders for F&J Model B, C or M charcoal cartridges and 47 mm, 2” or 50 mm diameter particulate filter paper are available. All models have quickdisconnect function.