It is suitable for the detection of harmful substances in the playground of synthetic material surface and playground of indoor and outdoor playground of all kinds of schools at all levels.

| project | parameter |
| Cabin volume | 60L,±2%,The number of cabins can be customized |
| temperature range | 15~70℃;±1℃ |
| Temperature and humidity resolution | 0.1℃;0.1%RH |
| Humidity range | temperature60℃±1℃,5%±2%RH temperature20-30℃,30RH%-70%RH,±3%RH |
| Air exchange rate | 1.0±0.01h-1 |
| Air velocity | 0.1-0.3m/s |
| Formaldehyde background | ≤0.006mg/m3 |
| TVOC | ≤0.05mg/m3 |
| IndividualVOC | ≤0.005mg/m3 |
| Air leakage rate | At 1 kPa barotropic pressure (gauge pressure), the air leakage rate in cabin VL is less than cabin capacity.×10-3m3/min |
| Toluene recovery | ≥80% |
| Working power supply | 380V,50HZ |
| noise control | Noise measured 5 m away from the equipment when the cabin is working:≤70dB(A) |