| Model No. | OTC-450 | OTC-500 | OTC-700 | OTC-1000 |
| Workroom Dimensions | 450x450x500mm | 500x600x750mm | 700x800x900mm | 1000x1000x1000mm |
| Exterior Dimensions | 1150x900x1650mm | 1200x1100x1900mm | 1350x1280x2100mm | 1650x1480x2200mm |
| Power | 4.0KW | 4.5KW | 4.5KW | 6.5KW |
| Temperature range | 0ºC~70ºC | |||
| Humidity range | ≤65% R.H | |||
| Ozone Density | 50~1000pphm | |||
| Accuracy | ±0.5ºC | |||
| Gas Flow | 12~16mm/s | |||
| Rotation System Still | 2 RPM | |||
| Maximum Ozone Deviation | ± 10% | |||
| Dynamic Frequency | 0.5~2Hz | |||
| Temperature Uniformity | ± 2 ° C | |||