EMERGENCY RESPONSE SAMPLING SYSTEM Digital Flowmeter Technology F&J Model DF-AB-75L-Li

NOTABLE FEATURES:

State-of-the-Art Electronics
Operating Modes
- Line Power (110VAC – 250VAC)
- On-Board Batteries
- Automobile Cigarette Lighter
Long-lasting Lithium ion battery
Battery Charging Circuit operable
from Line Power Input
Lightweight ~21 lbs. (9.5 kg)
Maximum Flow 75 LPM Maximum; typical
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
Single or Dual Rotometer(s)

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GENERAL DESCRIPTION:
F&J Model DF-AB-75L-Li is a lightweight, small footprint, DC voltage powered air sampling system operable from (1) on-board 15.6 Ah lithium ion battery, (2) line power, or (3) vehicle cigarette lighter socket (12 VDC).

The DF-AB-75L-Li 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 approximately 8 - 10 hours utilizing 47 mm 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 enclosure which is water tight. The unit can be carried very easily by its large, rugged plastic handle. Typical flow range is 30 - 75 SLPM (2.6 SCFM).

Rev.: 20 May 2008

DF-AB-75L-Li Battery Powered Air Sampler Specifications

Pump Type:

Dual diaphragm high efficiency

Maximum Flowrate:

75 LPM typical with 47 mm glass fiber media

100 LPM – Free air flow

Power Source:

Internal

14.8 VDC Battery Pack Lithium ion; 14.8 VDC/15.6 Ah

External

Line Power; 100VAC or 250VAC

Vehicle Cigarette Lighter – 12 VDC

Battery Charging System:

Internal System which charges from line
power.

Operating Time on Batteries:

~ 8 hours

Current Draw:

~3 A @ 75 LPM

Filter Holder Fitting:

3/8 FNPT quick disconnect

Handle:

Durable plastic

Weight:

21 lbs. (9.5 kg) with battery

17.25 lbs. (8.1 kg) without battery

Dimensions:

17”L × 10.4”W × 13” H

(43,2 × 26,4 × 33 cm)

Display:

Bright LED (6 character, 1,2 cm H)

Elapsed Time:

DD:HH:MM up to 168 hours

Flow Control:

Adjustable from keypad between 30-75 LPM

Flow Accuracy:

± 4% 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

OPTIONS:

Data Storage Device (P/N: 232FCDSD)
128MB Secure Digital Card (P/N: 372239)
Flash card Reader (P/N: 515177

Standard Combination Filter Holders Available:

FILTER CHARCOAL PARTICULATE	HOLDER CARTRIDGE PAPER	MODEL DIMENSIONS DIAMETER
FJ-05P	F&J Model B	2” or 50 mm
FJ-21P	F&J Model C	2” or 50 mm
FJ-35P	F&J Model B	47 mm
FJ-46P	F&J Model C	47 mm
FJ-51P	F&J Model M	2” or 50 mm
FJ-53P	F&J Model M	47 mm

Available Engineering Units for Flow and Volume:

SLPM / SLP
SCFM / SCF
SCMH / SCM

Digital Flowmeter Keypad/Display

none