- Model DF-40L-8 - Emergency Response Sampling System

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F&J Model DF-40L-8 is a lightweight, small footprint, DC voltage powered air sampling system operable from (1) on-board 4500 mAH NiMH batteries, (2) line power, or (3) vehicle cigarette lighter socket. The DF-40L-8 is well suited for emergency response sampling activities where users do not know whether line power will be available. Typical operating time from on-board batteries is greater than 6 hours utilizing 47mm glass fiber filter paper.

The automatic flow control feature with the F&J Digital Flowmeter technology provides maximum flexibility for emergency response sampling responsibilities. The set flowrate is maintained automatically in case of dust loading and does not require operator attention. The air sampler is contained in a lightweight small dimensioned enclosure which is water tight. The unit can be carried very easily by its large, rugged plastic handle.

Typical flow range is 10-30 SLPM (0.3 -1.1 SCFM).

  • State-of-the-Art Electronics
  • Operating Modes
    1. Line Power (110VAC – 250VAC)
    2. On-Board Batteries
    3. Automobile Cigarette Lighter
  • Long-lasting Nickel Metal Hydride Batteries
  • Battery Charging Circuit operable from Line Power Input
  • Lightweight — ~13 lbs. (5.9 kg)
  • High Flow — 35 to 40 LPM Maximum: 35 LPM typical with 47mm glass fiber media (98% DOP efficiency)
  • Bright LED Display
  • Automatic Flow Control Feature
  • Flowrate and Volume totalizations displayed at actual conditions or corrected to STP is operator selectable.
  • Auto shut-off on time or volume
  • Battery Life Indicator

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