| Model | BE-TH | |||
| 150H | 150M | 150L | ||
| Internal material (mm) | W | 500 | 500 | 500 |
| H | 600 | 600 | 600 | |
| D | 500 | 500 | 500 | |
| External dimension (mm) | W | 1020 | 1020 | 1020 |
| H | 1600 | 1600 | 1600 | |
| D | 1070 | 1070 | 1070 | |
| Power supply | 1ψ 220V | |||
| Temperature range | -20℃~ +150℃ | -40℃~ +150℃ | -70℃~ +150℃ | |
| Humidity range | 20%RH~98%RH | 20%RH~98%RH | 20%RH~98%RH | |
| fluctuation | temperature | ±0.5℃ | ||
| humidity | ±2.0%R.H | |||
| Distribution deviation | temperature | ±1.5℃ | ||
| humidity | +3.0%RH,-2.0%RH | |||
| Internal material | stainless steel plate of mirror surface (SUS #304, 1.0mm thick) | |||
| External material | stainless steel of yarn surface (SUS #304, 1.0mm thick) | |||
| Heating rate | Average 3℃/min nonlinear and no-load | |||
| Cooling rate | Average 1℃/min nonlinear and no-load | |||
| Refrigeration system | efficient and ultralow-temperature refrigeration system from Europe and America (heat dissipation of air-cooling type) | |||
| Control System | TEMI880 Programmable temperature and humidity controller of color, touch and intelligence, Imported from South Korea | |||
| Safety Protection System | Over-temperature protector, High-tension protection switch and Overheat protection switch for the compressor,Over-current protection switch, Non-fuse switch, Fast-blow ceramic fuse,Buzzer | |||
| Standard configuration | Observation window, Test hole, Shelves inside the chamber, Lighting, Chamber casters | |||
| on-line function | RS-485 and RS-232 computer on-line function and on-line software | |||