DF-40L-12 Emergency Response Air Sampling System

NOTABLE FEATURES:

State-of-the-Art Electronics
Operating Modes
— Line Power (110VAC – 250VAC)
— On-Board Batteries
— Automobile Cigarette Lighter
Long-lasting Lead Acid Battery
Battery Charging Circuit operable from Line Power Input
Lightweight — ~17 lbs. (7.7 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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GENERAL DESCRIPTION:
F&J Model DF-40L-12 is a lightweight, small footprint, DC voltage powered air sampling system operable from (1) on-board 12VDC;12AH lead acid battery, (2) line power, or (3) automobile cigarette lighter socket.

The DF-40L-12 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 battery is greater than 12 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.

Typical flow range is 10-40 SLPM (0.3 -1.4 SCFM).