| 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 |
| Particle counter — Sample inlet | | isokinetic probe |
| Air temperature — Measuring range | °C | 0 — 50 |
| Air temperature — Accuracy | °C | ±0.5°C at 10 to 40°C; ±1.0°C 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 — 100 |
| Dew point temperature — Accuracy | °C | ±0.5°C at 10 to 40°C; ±1.0°C at other temperature ranges |
| Wet-bulb temperature — Measuring range | °C | 0 — 80 |
| Wet-bulb temperature — Accurary | °C | ±1.0 |
| Formaldehyde (HCHO) — Measuring range | ppm | 0.01 — 5.00 |
| Formaldehyde (HCHO) — Accuracy | % | ±5% of terminal value |
| Carbon monoxide (CO) — Measuring range | ppa | 10 — 1,000 |
| Carbon monoxide (CO) — Accuracy | % | ±5% of terminal value |
| Particle mass conversion PM2.5 | µg/m³ | 0 — 2,000 |
| Particle mass conversion PM10 | µg/m³ | 0 — 2,000 |
| Particle mass conversion HCHO | mg/m³ | 0 — 6.13 |
| Particle mass conversion CO | mg/m³ | 0 — 1,145 |
| Power supply | Battery type | Polymer LI-ION battery |
| Product size (l x w x h) | mm | 57 x 75 x 240 |
| Weight | g | 570 |