| Product code | 211776 | 211777 | 211778 | 211779 |
| Model | DF411 | DF611 | DH411 | DH611 |
| System | Forced convection and ventilation |
| Performance | Operating temp. range | Room temp. + 10 to 260deg.C | Room temp. + 10 to 360deg.C |
| Temp. adjustment accuracy | ±0.1deg.C（at 260deg.C） | ±0.2deg.C（at 360deg.C） |
| Temp. distribution accuracy | ±1.5deg.C（at 260deg.C） | ±2.5deg.C（at 360deg.C） |
| Time to attain max. temp. | Approx. 60 min. (to 260deg.C) | Approx. 80 min. (to 360deg.C) |
| Configuration /Functions | Temp. control system | PID control with a micro computer |
| Temp. and time setting system | Digital setting and display with a jog dial |
| Timer display range | Fixed value operation for 1 min. to 99 hr 59 min. and 100 to 999 hr |
| Operation and manipulation functions | Auto start, auto stop, fixed value operation |
| Programmed operation (up to 16 segments, repeat operation, gradient operation, etc.) |
| Additional functions | Actual 24 hr timer function |
| Accumulation timer function (accumulation up to 49,999 hrs) |
| Calibration offset function |
| Clock display (preset time display) |
| Sensor | Double K-thermocouple |
| Heater | Stainless pipe heater with a fan |
| Nominal heater capacity | 2.1kW | 3.0kW | 2.7kW | 3.75kW |
| Blower fan (motor) | Axial flow fan (capacitor motor: 20W) |
| Cable port | I.D. 30 mm (rear) |
| Heat insulator | Glass wool | Ceramic fiber |
| Other additional mechanism | Exhaust damper (manual) |
| Safety device | Self diagnostic function (temp. sensor error, heater disconnection, SSR short-circuit, automatic overheat prevention function), key lock, door switch, electric leakage breaker, control box switch |
| Standards | Internal dimensions (mm)(WxDxH) | 450×450×450 | 600×600×600 | 450×450×450 | 600×600×600 |
| External dimensions (mm)(WxDxH) | 1,050×630×850 | 1,200×780×1000 | 1,050×630×850 | 1,200×780×1000 |
| Internal volume | 91L | 216L | 91L | 216L |
| Withstand load of shelf board | 30 kg/unit |
| No.of shelf stages/peg pitch | 9 stages/45 mm | 9 stages/60 mm | 9 stages/45 mm | 9 stages/60 mm |
| PS (50/60) Hz rated current | Single phase AC200V 11A (15A) | Single phase AC200V 16A (20A) | Single phase AC200V 14A (20A) | Single phase AC200V 20A (30A) |
| Weight | Approx. 78 kg | Approx. 109 kg | Approx. 78 kg | Approx. 109 kg |
| Accessories | Shelf | Stainless wire |
| 2 | 3 | 2 | 3 |
| Shelf support | 4 | 6 | 4 | 6 |
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