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Yamato DH-412 Fine Oven, 91L Capacity, 220V, Programmable Forced Air Circulation Oven
Product Description
The Yamato DH-412 Fine Oven features:
- System: Forced air circulation and ventilation
- Capacity: 91 liters with internal dimensions 450×450×450 mm
- Temperature Range: Room temperature +15 to 360°C
- Temperature Accuracy: ±0.2°C adjustment accuracy at 360°C; ±2.5°C distribution accuracy at 360°C
- Heating Time: Approx. 50 minutes to reach 360°C (set at 370°C)
- Temperature Control: PID Z control with digital setting via ▲/▼ keys
- Display:
- Setting temp: 5-digit orange LED (resolution 1°C)
- Actual temp: 4-digit green LED (resolution 1°C)
- Indicator LEDs for heating, stabilizing, and cooling phases
- Program Operation: Up to 99 steps and 99 patterns with repeat function
- Additional Features:
- Adjustable air speed (variable air flow)
- Power consumption display and total CO₂ emissions tracking
- Heat timer and operation accumulation monitor (up to 65535 hours)
- Calibration offset adjustment and power failure recovery mode
- Data backup and recovery capabilities
- Sensor: Dual K thermocouples for precise sensing
- Heater: SUS pipe heater with 2.7 kW capacity and axial blower fan (capacitor 20W motor)
- Material: Stainless steel interior; chrome-free electro-galvanized chemical-resistant baked finish exterior
- Door: Single swing, left side
- Exhaust: Automatic damper exhaust port with 80 mm internal diameter
- Insulation: Glass wool
- Safety Mechanisms:
- Self-diagnostic functions (sensor errors, heater disconnection, TRIAC/SSR faults, fan motor failure, contact damage, overheating)
- Earth leakage breaker (20A), key lock, door switch controlling fan and heater circuits
- Independent overheat prevention (temperature limits: 0-300°C for DF series, 0-400°C for DH series)
- Mechanical Specs:
- External dimensions: 1050×630×850 mm
- Weight: Approximately 112 kg
- Shelves: 2 pcs supplied, 9-step support with 45 mm pitch, max load ~30 kg per shelf
- Power Requirements: AC 220V, 15.5A, 50/60 Hz, single phase (no plug, round terminal)
- Ports: One cable port (33 mm diameter, rear)
This oven is designed for reliable and precise temperature stability in complex temperature characteristic testing with straightforward programming and enhanced safety features.
Item Stats
Product details
| System | Forced air circulation and ventilation |
| Operating Temp. Range*¹ | Room temp. +15~360°C |
| Temp. Adjustment Accuracy*¹ | ± 0.2°C (at 360°C) |
| Temp. Distribution Accuracy*¹ | ± 2.5°C (at 360°C) |
| Max. Temp. Reaching Time*¹ | ~50 min. (reaches 360°C when setting at 370°C) |
| Temp. Control System | PlD Z control |
| Temp. Setting Method | Digital setting by ▲/▼ key |
| Temp. Display Method | Setting temp. display: Digital display by 5-digit orange LED (resolution: 1°C) Temp. display: Digital display by 4-digit green LED (resolution: 1°C) |
| Other Indication | LED indicates temperature patterns for heating/stabilizing/cooling |
| Timer Display Range | Fixed value operation for 1 min. to 99 hrs. 59 mins. 24 hr time system: clock operation |
| Operation Functions | Fixed temperature, Auto start, Auto stop, Program operation: up to 99 steps, 99 patterns, repeat operation function |
| Additional Functions | Variable air flow function, power on time and timer accumulation monitor (up to 65535 hrs), calibration offset, power consumption display, total CO₂ emissions and heat operation output, power failure recovery mode, setting data backup and recovery |
| Sensor | K thermocouple (double sensor) |
| Heater Insulator | SUS pipe heater with fan |
| Heater Capacity | 2.7 kW |
| Blower Fan (Motor) | Axial fan (capacitor type motor 20W) |
| Cable Port | I.D. 33 mm x 1 pc. (rear) |
| Interior / Exterior Material | Stainless steel/ Chrome-free electro-galvanized steel sheet metal, chemical-proof baked on finish |
| Door | Single swing (left side) |
| Exhaust Port | Automatic exhaust damper I.D. 80 mm (rear panel) |
| Heat Insulator | Glass wool |
| Heater Circuit Control | Triac with zero-crossing method |
| Earth Leakage Breaker | 20A |
| Safety Device | Self-diagnostic functions (temp. sensor error, TRIAC short circuit, heater disconnection, SSR short-circuit, fan motor failure, main relay contact damage and overheating), key lock function, door switch (door open, fan motor and heater circuit OFF / door close: fan motor and heater circuit ON), independent overheat prevention (temp. setting range: 0~300°C for DF and 0~400°C for DH) |
| Internal Dimensions*² W×D×H | 450×450×450 mm |
| External Dimensions*² W×D×H | 1050×630×850 mm |
| Internal Capacity | 91L |
| Shelf Max. Load | ~30kg / pc. |
| Shelf Support Qty. / Pitch | 9 steps / 45mm |
| Power Source 50/60 Hz Single Phase | AC220V 15.5A (no plug, round terminal) |
| Weight | ~112 kg |
| Shelf / Bracket | 2 pcs / 4 pcs |
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