GS-3 Respirable Dust Cyclone
The GS-3 Respirable Dust Cyclone is a 10 mm lightweight conductive plastic sampler used with a standard three-piece cassette with filter for the collection of respirable dust particles. The Cyclone's removable cassette adaptor fits securely into the middle ring of the filter cassette during sampling. The GS-3 Cyclone incorporates a multiple-inlet design which eliminates the effects of wind speed and orientation. Its tangential design decreases particle losses due to impaction. The cyclone has a 50% cut-point of 4 µm at 2.75 L/min and 3.5 µm at 3.7 L/min.
The GS-3 Cyclone is referenced for the respirable fraction in MDHS 14/4.
| Flow Rate | 2.75 L/min or 3.7 L/min | |
| 50% Cut-point | 4 µm at 2.75L/min 3.5 µm at 3.7L/min |
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| Material | Conductive plastic | |
| Sample media | 25 or 37 mm diameter filters in 3-piece cassettes | |
| Tubing | 1/4 inch (6.25mm) ID |
| Description | Pack Size | Part Number |
| GS-3 Multi-inlet Cyclone with bowl adaptor, cassette adaptor and grit pot, 25 mm | Each | 225-103 |
| GS-3 Multi-inlet Cyclone with bowl adaptor, cassette adaptor and grit pot, 37 mm | Each | 225-100 |
| Description | Pack Size | Part Number | |
| Filter Transport Cassette, 25 mm, conductive plastic | 10 | 225-67-10 |  |
| Replacement Cassette Adaptor, for GS-3 and GS-1 Cyclones, 25 mm | Each | 225-101 |  |
| Replacement Cassette Adaptor, for GS-3 and GS-1 Cyclones, 37 mm | Each | 225-102 |  |
| Replacement Bowl Adaptor | Each | 225-108 |  |
| Three-piece Filter Cassette Blanks, 25 mm | 50 | 225-3-25LF |  |
| Three-piece Filter Cassette Blanks, 37 mm | 10 | 225-3LF | |
| Filter Cassette/Cyclone Holder includes:
0.9 m (3 feet) of ¼ inch ID Tygon tubing and a 25 mm adaptor ring, for attaching a DPM or standard filter cassette to a worker's clothing in the breathing zone. May be used with or without a cyclone. |
Each | 225-1 |  |
| Replacement Grit Pots for use with GS-1 and GS-3 cyclones | 25 | P225012 |  |
| Standard-size Multi-purpose Calibration Chamber | Each | 225-111 |  |
| Replacement O-rings for 37 mm cyclones | 5 | P22501 |  |
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GS-3 Cyclone |