| Circulation method | Forced air circulation | | | |
| External temp. range | 5~35°C | | | |
| Operating temp. range | RT+20°C to 210°C | | RT+15°C to 210°C | |
| Temp. control accuracy*¹ | ±0.5°C (at 210°C) | | | |
| Temp. distribution accuracy*¹ | ±2.0°C (at 210°C) | | | |
| Temp. gradient*¹ | 6°C (at 210°C) | 8°C (at 210°C) | 8°C (at 210°C) | 10°C (at 210°C) |
| Temp. rise time*¹ | ~60 min. | ~70 min. | ~45 min. | ~60 min. |
| Chamber / Exterior / Insulation | Stainless steel / Chrome-free electro-galvanized steel plate, chemical-proof baked-on finish / Glass wool | | | |
| Door | Single swing (left side) | | | Double doors (from center) |
| Heater / insulating material | Stainless pipe heater / Glass wool | | | |
| #rowspan# | 1.1kW | 1.2kW | 1.2kW x 2 | 1.5kW x 2 |
| Fan Type | Scirocco fan, Capacitor motor | | | |
| Fan Motor | 10W | | 30W | 30Wx2 |
| Cable hole (right side) | 33mm I.D. 1pc. | | | |
| Exhaust port | 33mm I.D. 2pcs. (top) | | 33mm I.D. 2pcs. (rear) | |
| Observation window | Optional | | --- | |
| Temp. controller | PID Z control by microprocessor | | | |
| Temp. setting method | Digital setting by ?/? key | | | |
| Temp. / Info display | Green 4 digit LED digital display (top screen) and orange 5 digit LED digital display (bottom screen) (1°C resolution) | | | |
| Timer | 1 min. and 99 Hrs. 59 mins: duration operation, 24 hour setting: time operation | | | |
| Operation function | Fixed temperature, Program operation (max.99 steps, up to 99 patterns repeat operationing function), Duration/time select timer operation function (fixed temperature operation, auto-start, auto-stop, quick auto stop, program operation auto start) | | | |
| Additional functions | Power on and Integration time function (up to 65,535 hours), Calibration offset, Time display, Display of power consumption, CO2 discharge and heater operation, Power failure return mode, User configuration information | | | |
| Heater circuit control | Triac zero-cross control | | | |
| Sensor | K-thermocouple double sensor (for temperature control and independent overheat prevention device) | | | |
| Safety device | Self diagnostic functions (temp. sensor abnormal, Heater disconnection, SSR- short, Main relay abnormal, Automatic overheating prevention), Key lock function, Independent overheat prevention, Electric leakage breaker with over current protection | | | |
| Earth leakage breaker | Leak Current/Short Circuit/Over-current Protection, Rated Current Sensitivity 30mA | | | |
| Independent overheat prevention | Set temperature range: 0~250°C | | | |
| Internal dimensions*² W×D×H | 450×450×450 mm | 600×500×500 mm | 600×500×1000 | 1090×500×1000 |
| External dimensions*² W×D×H | 580×646×860 mm | 730×696×910 mm | 730×695×1660 | 1220 ×695×1660 |
| Internal capacity | 90L | 150L | 300L | 540L |
| Shelf plate with standard load | ~15kg/pcs. | | | |
| Shelf rest step number / Shelf rest pitch | 11 steps / 30mm | 13 steps / 30mm | 29 steps / 30mm | 29 steps / 30mm x 2 |
| Power source 50/60Hz | AC115V 10A AC220V 5.5A | AC115V 11A AC220V 6A | AC220V 11.5A | AC220V 14A |
| Weight | ~63kg | ~77kg | ~92kg | ~185kg |
| Shelf plate | Stainless steel, 1pc on the bottom screwed | | | |
| Shelf plate / bracket | 2 pcs. / 4 pcs. | | 4 pcs. / 8 pcs. | 8 pcs. / 16 pcs. |