| Particle counter — Channels | | 6 |
| Particle counter — Channel sizes | µm | 0.3, 0.5, 1.0, 2.5, 5.0, 10.0 |
| Particle counter — Counting modes | | concentration, cumulative, differential |
| Particle counter — Counting efficiency | % | 50% at 0.3µm; 100% for particles >0.45µm |
| Particle counter — Flow rate | l/min | 2.83 l/m (0.1 ft³/min), controlled by internal pump |
| Particle counter — Zero check | | <1 particle/5min |
| Particle counter — Coincidence loss | | 5%, 2 million particles per ft³ (28.3 litres) |
| Particle counter — Light source | | Laser class 3B, wavelength 780 nm, 90 mW |
| Particle counter — Sample inlet | | isokinetic probe |
| Air temperature — Measuring range | °C | 0 — 50 (32 °F to 122 °F) |
| Air temperature — Accuracy | °C | ± 0.5 °C (0.9 °F) at 10 °C to 40 °C (50 °F to 104 °F), ± 1.0 °C (1.8 °F) at other temperature ranges |
| Humidity — Measuring range | % RH | 0 — 100 |
| Humidity — Accuracy | % | ±3°C at 40 to 60%; ±3.5% at 20 to 40% and 60 to 80%; ±5% at 0 to 20% and 80 to 100% |
| Dew point temperature — Measuring range | °C | -30 to 100 (-22 °F to 199 °F) |
| Dew point temperature — Accuracy | °C | ± 0.5 °C (0.9 °F) at 10 °C to 40 °C (50 °F to 104 °F), ± 1.0 °C (1.8 °F) at other temperature ranges |
| Wet-bulb temperature — Measuring range | °C | 0 to 80 (32 °F to 176 °F) |
| Wet-bulb temperature — Accurary | °C | ±1.0 (1.8 °F) |
| Filter efficiency measurement | | Yes |
| Minimum, maximum and average value display | | Yes |
| Hold function | | Yes |
| Alarm function | | Yes |
| Language selection | | Yes |
| °C/°F switching | | Yes |
| Photo or video recording | | Yes |
| Automatic display switch-off | | Yes |
| Automatic device switch-of | | Yes |
| Measurement data | | 5,000 data records on the internal flash memory (optional memory expansion via MicroSD card: max. 16 GB |
| Photo / Video | | JPEG format, resolution 640 x 480 pixels / 3GP format, resolution 320 x 240 pixels |
| Display | | 2.8-inch colour LCD, 320 x 240 pixels, with background illumination |
| Menu languages | | German, English, French, Turkish, Italian, Spanish, Portuguese, Dutch, Danish, Swedish, Finnish, Norwegian |
| Memory expansion | | Slot for removable MicroSD memory card |
| Tripod connection | | ¼ inch |
| PC interfaces | | USB connection |
| Power supply | Battery type | Polymer LI-ION battery |
| Operating time | | Approx. 4 hours of continuous operation |
| Charging time | | Approx. 2 hours with an alternating current adapter |
| Product size (l x w x h) | mm | 57 x 75 x 240 |
| Weight | g | 570 |
