| Mass concentration | |
| Measurable particle sizes | PM2.5 / PM10 |
| Measuring range mass concentration | 0 ... 2000 μg / m³ |
| Resolution | 1 μg / m³ |
| Particle counter | |
| Measurable particle sizes | 0.3, 2.5 and 10 μm |
| Flow rate | 2.83 l / min (0.1 ft³) |
| Coincidence error | < 5% at 2,000,000 particles per ft³ |
| Counting efficiency | 50% at 0.3 μm; |
| 100% with particle size > 0.45 μm | |
| Counting modes | Cumulative, differential, concentration |
| Measurement of air temperature and relative humidity | |
| Measuring range air temperature | 0 ... 50°C / 32 ... 122°F |
| Measuring range dew point temperature | 0 ... 50°C / 32 ... 122°F |
| Measuring range relative humidity | 0 ... 100% |
| Measuring accuracy air temperature | 10 ... 40°C / 50 ... 104°F: ± 1.0°C / 1.8°F |
| Others: ± 2.0°C / 3.6°F | |
| Measuring accuracy dew point temperature | 10 ... 40°C / 50 ... 104°F: ± 1.0°C / 1.8°F |
| Others: ± 2.0°C / 3.6°F | |
| Measuring accuracy relative humidity | 0 ... 20% rel. Humidity: ± 5% |
| 20 ... 80% rel. Humidity: ± 3.5% | |
| 80 ... 100% rel. Humidity: ± 5% | |
| Operating conditions | 0 ... 50°C / 32 ... 122°F, 10 ... 90% rel. humidity, |
| Not condensing | |
| Storage conditions | -10 ... 60°C / 14 ... 140°F, 10 ... 90% rel. humidity, |
| Not condensing | |
| Data storage | 5,000 data sets (Micro SD card) |
| Display | 2.8", 320 x 240 pixels |
| Backlit color LCD | |
| Power supply Charger |
Rechargeable battery 1200-mAh, 7.4V 100 .. 240 VAC, 50 or 60 Hz |
| Battery Life | About 4 hours in continuous operation |
| Battery recharge time | About 2 hours with AC adapter |
| Dimensions | 240 x 75 x 57 mm / 9.4 x 3 x 2.2 in |
| Weight | 570 g / 1.3 lbs |
