Digital Flowmeter Technology
Powered by Lithium Battery
The Model DF-AB-75L-Li is a lightweight, small footprint, DC voltage powered air sampling system operable from (1) on-board 20 Ah lithium ion battery, (2) line power, or (3) auxiliary DC connector (12 to 15 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 ~ 6 - 8 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) (depending on filter type).
- State-of-the-Art Electronics
- Operating Modes — Line Power (100VAC – 250VAC) — On-Board Batteries — Automobile Cigarette Lighter
- Long-lasting 20 Ah Lithium ion battery
- Battery charging system operable from line power input
- Lightweight — ~21.5 lbs. (9.8 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
DF-AB-75L-Li Battery Powered Air Sampler Specifications
Pump Type: Dual diaphragm high efficiency
Maximum Flowrate:
> 75 LPM typical with FP47M glass fiber media
~100 LPM Free Air Flow
Power Source:
Internal – Lithium ion; 14.8 VDC/20 Ah Battery Pack
External – Line Power; 100VAC or 250VAC
Auxiliary port — 12 to 15 VDC
Battery Charging System:
Internal system which charges from line power.
Operating Time on Batteries:
6-8 hours @ 56LPM w/FP-47M glass fiber filter media.
Current Draw: ~3.0 A @ 75 LPM with FP47M
Filter Holder Fitting: 3/8 FNPT quick disconnect
Handle: Durable plastic
Weight: 21.5 lbs. (9.8 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)
Noise Level: Average dB 70.3 @ 1 meter
Operating Temperature Range: 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 30-75 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
Air Sampler with Battery Bank
Options
- Data Storage Device (P/N: 232FCDSD)
- 2 GB Secure Digital Card (P/N: 372239)
- Flash card Reader (P/N: SDDR-199-A20)
Standard Combination Filter Holders Available:
| Filter Holder Model | Charcoal Cartridge Dimension | Particulate Paper Diameter |
|---|---|---|
| FJ-05P | Model B | 2” or 50 mm |
| FJ-21P | Model C | 2” or 50 mm |
| FJ-35P | Model B | 47 mm |
| FJ-46P | Model C | 47 mm |
| FJ-51P | Model M | 2” or 50 mm |
| FJ-53P | Model M | 47 mm |
Available Engineering Units for Flow and Volume:
SLPM / SLP
SCFM / SCF
SCMH / SCM
