Sustainable Construction
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Handheld particle counter [GT-521S]
The GT-521S is a full-featured, battery-operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. This powerful device supports cumulative or differential counts, standard concentrations, total counts and count alarms. It can datalog particle counts continuously or send them to a network.
Features
- 2 channels of monitoring user selectable
- Simple & powerful menu driven functionality
- Adjustable sample time
- Differential or cumulative
- Battery or AC Powered
Specifications
| Count Channels | 2 |
| Particle Size Range | Two channels—from 0.3 to 5.0 μm (selectable in 0.1 μm increments) |
| User Size Settings: | 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 particles/L) |
| Accuracy | ± 10%, to calibration aerosol |
| Sensitivity | 0.3 μm |
| Flow Rate | 0.1 cfm (2.83 lpm) |
| Concentration Limit | 3,000,000 / cf |
| Sample Time | Adjustable: 6 to 999 seconds |
| Data Memory | 8,000 samples |
| Light Source | Laser diode, 90 mW, 780 nm |
| Power | 6V self-contained battery pack–provides 8 hours of typical intermittent operation, up to 5 hours continuous use |
| Recharge Time | 2.5 hours |
| AC Adapter/Charger | AC to DC module, 100–240 VAC to 9 VDC @ 350 mA typical |
| Certifications | Meets or exceeds CE, ISO 21501-4 |
| Size | 15.9 cm x 10.2 cm x 5.4 cm (H x W x D) |
| Weight | 0.91 kg |