| Circulation method | Natural convection |
| Operating temperature range | Room temp. +5°C to 300°C | Room temp. +5°C to 280°C |
| Temperature control accuracy | ±1°C (at 300°C) |
| Temperature distribution accuracy | ±10°C (at 300°C) | ±10°C (at 280°C) |
| Maximum temperature reaching time | ~45 min (Room temp. to 300°C) | ~60 min (Room temp. to 300°C) | ~80 min (Room temp. to 280°C) |
| Interior material | Stainless steel |
| Exterior material | Electro-galvanized steel sheet with melamine resin baking finish |
| Heat insulating material | Glass wool |
| Heater | Iron-chrome wire heater 0.9 kW | Iron-chrome wire heater 1.36 kW | Iron-chrome wire heater 1.36 kW |
| Exhaust port | 33 mm I.D. x 2 pcs. (on top) |
| Temp. controller | PID control by microprocessor |
| Temp. setting method | Digital setting by ?? key |
| Temp. display method | Measurement temp. : Digital display by green LED / Setting temp. : Digital display by red LED |
| Timer | 1 min. to 99 Hrs. 59 min. and 100 Hrs. to 999 Hrs. 50 min. |
| Operation function | Fixed temperature, Quick auto stop, Auto stop, Auto start |
| Additional function | Calibration off-set, Power failure compensation function, Key lock function |
| Heater circuit control | SSR control |
| Sensor | K-thermocouple |
| Safety device | Self diagnostic functions (Temp. Sensor abnormal, Abnormal memory, Input temp. abnormal, Measured temp. abnormal, Automatic overheat prevention), Key lock function, Hydraulic independent overheat prevention device, Electric leakage breaker with over current protection |
| Internal dimensions W×D×H | 300x310x300mm | 450x410x400mm | 600x510x500mm |
| External dimensions W×D×H | 400x440x630mm | 550x540x730mm | 700x640x830mm |
| Internal capacity | 28L | 74L | 153L |
| Shelf plate with standard load | 15kg/piece | 15kg/piece | 15kg/piece |
| Shelf rest step number / pitch | 6 steps / 35mm | 9 steps / 35mm | 12 steps / 35mm |
| Power source 50/60Hz | AC115V 9.5A AC220V 4.3A | AC115V 14A AC220V 6.4A | AC115V 14A AC220V 6.4A |
| Weight | ~23kg | ~38kg | ~56kg |
| Accessories | Stainless steel punching metal shelf plate 2pcs. / Shelf bracket 4pcs. |