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Specifications & Models
28.3 L/min in a Handheld Body
28.3 L/min in a Handheld Body
One cubic foot a minute is the flow rate that makes ISO 14644-1 sampling practical. Putting it in a handheld means a Grade B point can be sampled where it is, without moving a trolley-mounted instrument into a room that is already in use.
- Internal pump — rated for continuous eight-hour use at full flow, not for short bursts.
- Six channels — 0.3 to 10 μm, with the ISO class verdict computed on board.
- Carry handle — balanced for one-handed sampling at height, above a filling line or a ceiling grid.
The 4.3″ display plots the trend live during the sample, so an obstructed probe is visible before the run ends.
One Cubic Foot a Minute Changes the Timetable
One Cubic Foot a Minute Changes the Timetable
ISO 14644-1 sets the minimum sample volume per point. At 2.83 L/min a large-volume point takes ten minutes; at 28.3 L/min it takes one, and the required volume is met in the first minute rather than the tenth.
- Flow — 28.3 L/min ± 5%, battery or mains, six hours per charge at full flow.
- Typical use — Grade B and C classification, large-volume sampling, cleanroom certification and pharmaceutical HVAC work.
- No external module — the pump is inside the instrument; there is nothing extra to carry or connect.
For a certification engineer working through forty points, the difference between one minute and ten per point is the difference between one day and four.
Print, Store, Sign at the Sample Point
Print, Store, Sign at the Sample Point
The built-in 58 mm thermal printer produces the record where the sample was taken, and 100,000 records stay on the instrument for the archive. One charge covers a full day at 28.3 L/min.
- Body — ABS + PC, IP54, 240 × 140 × 90 mm at 1.60 kg.
- Battery — 7.4 V / 8,000 mAh, six hours at full flow.
- Standards — ISO 14644-1, EU GMP Annex 1, ISO 21501-4; PSL calibration certificate per unit.
At 1.60 kg it is not a pocket instrument, but it is light enough to carry up a ladder, which is where classification work usually ends up.
FAQ
It is, with a pump rated for continuous eight-hour use rather than short bursts. At 1.60 kg it is not a pocket instrument, but it is light enough to carry up a ladder, which is where classification work usually ends up.
ISO 14644-1 sets a minimum sample volume per point. At 2.83 L/min a large-volume point takes ten minutes; at 28.3 L/min the required volume arrives in the first minute. Across forty points, that is the difference between one day and four.
Yes, 58 mm thermal, and the record is produced at the point of sampling. 100,000 records also stay in memory, so the paper and the file describe the same events.
Six hours from an 8,000 mAh pack, or continuously from mains. That is a full day of point sampling with the printer in use.
For B and C grades, often yes — the point is the point, not the instrument. For a full facility qualification with UCL sets and a printed report per room, the benchtops in the range still do the job better.
A 4.3″ colour screen with the live trend, the six channel counts and the ISO class verdict. At 480 × 272 it is readable at arm’s length while the instrument is held overhead.
