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Introduction MetOne GT-521S Handheld Particle Counter
The MetOne GT-521S is a full‐featured, battery operated, portable particle counter that provides the functionality of a bench unit with the convenience of a hand-held. This powerful device supports cumulative or differential counts, standard concentrations, total counts and count alarms.
Features
- Rugged Metal Construction: The aluminum enclosure provides protection from bumps and scrapes that can damage plastic instruments. A rugged carrying case is also provided.
- User Selectable Particle Sizes: Two programmable count channels with 0.3 to 10 micron size ranges.
- Data Storage: Store up to 8,000 sample events. Sample history can be viewed on the local display or download to a computer using Comet software.
- Battery Powered: 24 hours of typical (intermittent) operation or 6 hours of continuous operation from a single charge. Recharge time is approximately 2.5 hours.
- Temperature / Relative Humidity Option: A plug-and-play option that immediately adds ambient temperature and relative humidity data.
Applications
- Controlled Environments
- Indoor Air Quality
- Process Control
- HVAC Applications GT-521S Handheld Particle Counter
- Filter Testing
- Compliance Testing
- Emission Sourcing
- Remote Sampling
Specifications MetOne GT-521S
| Particle Size Range | 0.3µm ‐ 10µm, 2 channels |
| Calibrated Sizes | 0.3 µm, 0.5µm, 1.0µm, 2.0µm 5.0µm and 10µm |
| User Size Setings | 0.1µm steps from 0.3µm ‐ 2.0µm 0.5µm steps from 2.0µm ‐ 10µm |
| Concentration Range | 0 – 3,000,000 particles per cubic foot (105,900 particle/L) |
| Accuracy | ± 10% to calibration aerosol |
| Flow Rate | 0.1 cfm (2.83 lpm) |
| Data Storage | 8,000 samples |
| Light Source | Laser Diode, 90mW, 780 nm |
| Battery | 7.4V 2,200 mAH Li‐ion battery pack. |
| Battery Operation | 10 hours continuous operation. Battery recharge time is 2.5 hours. |
| AC Adapter/Charger | Li‐ion battery charger, 100 – 240 VAC, 50/60Hz |
| Communications | USB, RS‐232 or RS‐485 |
| Certifications | Meets or exceeds CE, ISO 21501‐4 |
| Display / Keyboard | 16 character x 4 line LCD / 7 key membrane type |
| Height, Width, Depth | 6.25” (15.9 cm), 4.00” (10.2 cm), 2.12” (5.4 cm) |
| Weight | 2.00 lbs (0.91 kg) |
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