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F&J - Model DF-14ME-2G -Digital Flow Meter Low Volume Air Sampler (200 - 240 VAC)
The Model DF-14ME-2G cart mounted mobile low volume air sampler with digital flow meter has an adjustable, aluminum sampling gooseneck. The adjustable gooseneck permits sampling at heights varying from 4’ to 7’ above floor level. Model DF-14M-2G contains state of the art microprocessor electronics, which provides for corrected flow rate measurements, volume totalizations, and a USB communications port. It has a large bright OLED display.
The DF-14ME-2G Air Sampler includes an oilless, carbon vane vacuum pump with a constant airflow regulator for use where a nearly constant airflow is desirable. The regulator holds a constant pressure drop across an in-line orifice by varying the flow through a bypass valve into the pump. This system allows the pump to work at a minimum pressure drop at all times, permitting it to run cooler, thus extending its lifetime. The oil-less pump requires no lubrication to maintain optimal efficiency during its service life. The pump is mounted on a mobile cart with two rubber wheels to permit mobile transportation of the unit.
The DF-14ME-2G Air Sampler is designed for indoor use.
The typical operating flow range is 1 to 4 CFM (10 to 114 LPM).
- Bright LED Display
- Flowrate and volume totalizations displayed are corrected to a factory settable reference Temperature and Pressure (4 options available)
- Classical STP : 0ºC, 1 Atm
- Normal T and P : 20ºC, 1 Atm
- Modified Normal T and P : 21.1ºC (70ºF), 1 Atm or
- Standard Ambient T and P : 25ºC, 1 Atm
- Reference or ambient flow conditions are operator selectable
- Elapsed time meter
- RS232 Data export in ASCII format in comma delimeted text string at various operator selectable download frequencies
- Storage of elapsed time and volume in the event of power outage
- Detection of zero flow condition after return of power to pause elapsed time until flow returns
- Auto shut-off on time or volume
- Selectable engineering units for flow and volume (to be set at factory)
- FLOW : VOLUME
- sccm : scc
- SLPM : SL
- SCMH : SCM
- SCFM : SCF
- Bluetooth Dongle for PC Device (P/N: BTDG)