F&J Specialty Products, Inc.

- Model DF-3L-BL-8 - Brushless Emergency Response Sampling System

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F&J Model DF-3L-BL-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) automobile cigarette lighter socket.

The DF-3L-BL-8 is well suited for tritium sampling activities from line power or where users do not have line power available. Typical operating time from on-board batteries is greater than 8 hours utilizing an impinge system.

The automatic flow control feature with the F&J Digital Flowmeter technology provides maximum flexibility. The set flowrate is maintained automatically and does not require operator attention. The air sampler provides operator selectable automatic shut off on time or volume

Typical flow range is .8 - 3 SLPM (800 -3000 sccm).

  • State-of-the-Art Electronics
  • Operating Modes
    • Line Power (100VAC – 250VAC)
    • On-Board Batteries
    • External 12VDC Source
  • Long-lasting Nickel Metal Hydride Batteries
  • Battery Charging Circuit operable from Line Power Input
  • Lightweight ~7 lbs. (3.2 kg)
  • High Flow 3 LPM Maximum
  • Bright LED Display
  • Automatic Flow Control Feature
  • Flowrate and Volume totalizations displayed are corrected to a factory settable reference Temperature and Pressure (4 options available)
  • Auto shut-off on time or volume
  • Battery Life Indicator

  • Pump Type: Diaphragm; high efficiency
  • Motor Type: 12VDC PWM
  • Maximum Flowrate: 3 LPM
  • Power Source:
  • Internal – 12VDC Battery Pack
  • NiMH; 12VDC/4500 mAH
  • External –
  • Line Power; 100VAC to 250VAC
  • External 12VDC Source
  • Battery Charging System:
  • Internal System which charges from line
  • Power.
  • Operating Time on Batteries: > 8 hours
  • Fuse Protection: 2A
  • Current Draw: 1 A maximum
  • Filter Holder Fitting: 3/8 FNPT quick disconnect
  • Handle: Durable metal
  • Weight: 7 lbs. (3.2 kg)
  • Dimensions: 9”×10”×10” (23 × 25 × 25 cm)
  • Operating Temperature: 0ºF to 122ºF
  • (-18ºC to 50ºC)
  • Display: Bright LED (6 character, 1,2 cm H)
  • Elapsed Time: DD:HH:MM up to 168 hours
  • Flow Control:
  • Adjustable from keypad between 0.8 to 3 LPM
  • Flow Accuracy: ±4.0% of Full Scale
  • Factory Settable Reference T and P
  • Classical STP 0ºC, 1 ATM
  • Normal T and P 20ºC, 1 ATM
  • Modified Normal T and P 70ºF, 1 ATM
  • Standard Ambient T and P 25ºC, 1 ATM

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

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