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Yamato DNF-811 150L Forced Convection Programmable Oven, 220V
Product Description
Performance and Functions
- Two circulation types in one unit: forced and natural convection
- Eco-oven with improved air velocity control and adjustable damper
- Energy-saving program to reduce power consumption
- High heat tightness and chamber insulation with excellent dust tightness
- Air velocity adjustable digitally in 10 increments (600–1500 rpm) plus off position
- 99-step programmable operation with repeat, auto start/stop, and quick stop functions
- Adjustable front damper to optimize operation
- Fluorescent display with interactive input and calibration offset
Specifications
- Circulation: Forced convection + natural convection
- External Temp. Range: 5 to 35°C
- Temperature Set Range: 0-130°C (wind velocity 0), 0-270°C (wind velocity 1–10)
- Control Range: RT +25 to 120°C (wind velocity 0), RT +15 to 260°C (wind velocity 1-10)
- Control Accuracy: ±0.3°C at 260°C
- Fluctuation: ±0.5°C at 260°C
- Distribution Precision: ±2.5°C at 260°C
- Temperature Gradient: 8°C at 260°C
- Rise Time: 100 minutes
- Chamber Material: Stainless steel
- Exterior: Cold rolled steel with chemical-proof baked finish
- Insulation: Glass wool
- Door: Single swing (left side)
- Heaters: 2 × 0.83 kW stainless steel tube
- Wind Velocity: 10 steps + off (600–1500 rpm)
- Damper: Manual circulation-ventilation switching, interlocked intake/exhaust
- Ports: Cable port Ø33 mm (right side), Exhaust port Ø50 mm (back side), Inlet port Ø33 mm (right side)
- Controller Model: V type with PID Z control
- Display: Green 4-digit LED temperature reading, orange 5-digit temperature setting
- Indicators: Heating, stabilizing, cooling LED signals
- Timer: Fixed temperature, program operation (max 99 steps/patterns), clock functions
- Additional Functions: Variable airflow, power-on/operation time monitor (65,535 h), calibration offset, power consumption/CO2 emissions monitoring, power recovery, data backup/recovery
- Sensors: K-type thermocouple double sensor for temperature control and overheat prevention
- Heater Control: Triac with zero-cross control
- Self-diagnostics: Temperature sensor failure, TRIAC short circuit, overheating prevention, heater line disconnect, relay damage, earth leakage, fan motor failure, key lock
- Safety: Earth leakage breaker rated at 30mA sensitivity
- Door Switch: Fan and heater off when door open; on when door closed
- Internal Dimensions (W×D×H): 600 × 500 × 500 mm
- External Dimensions (W×D×H): 730 × 695 × 940 mm
- Capacity: 150 L
- Weight: 90 kg
- Shelves: 2 plates, 4 brackets; 13 steps with 30 mm pitch
- Shelf Load: 15 kg per shelf
- Power Supply: AC115 V 15 A (with plug) or AC220 V 8 A (without plug)
Item Stats
Product details
| Circulation Method | Forced convection + Natural convection |
| External Temp. Range | 5~35°C |
| Temperature Set Range | 0~130°C (Wind velocity: 0), 0~270°C (Wind velocity: 1~10) |
| Temperature Control Range | RT +25~120°C (Wind velocity: 0), RT +15~260°C (Wind velocity: 1~10) |
| Temp. Control Accuracy *¹ | ±0.3°C (at 260°C) |
| Temp. Fluctuation *¹ | ±0.5°C (at 260°C) |
| Temp. Distribution Precision *¹ | ±2.5°C (at 260°C) |
| Temp. Gradient *¹ | 8°C (at 260°C) |
| Temp. Rise Time *¹ | 100min. |
| Chamber / Exterior / Insulation | Stainless steel / Cold rolled steel paneling, chemical-proof baked-on finish / Glass wool |
| Door | Single swing(left side) |
| Heater (Stainless Steel Tube) | 0.83kWx2 |
| Wind Velocity Adjusting System | 10 steps (600~1500rpm) + Wind velocity (0) |
| Damper | Circulation-Ventilation Manual switching: Interlocked intake and exhaust system (Complete exhaust applicable / Unable to reach 260°C with damper fully open) |
| Cable Port | Inner diameter: 33mm×1 (right side) |
| Exhaust Port | Outer diameter: 50mm×1 (back side) |
| Inlet Port | Inner diameter: 33mm×1 (right side) |
| Controller | Model V type |
| Temperature Control / Setting System | PID Z control / Digital setting with ▲/▼ keys |
| Temperature Display System | Temperature reading display: green 4-digit digital LED/Temperature setting display: orange 5-digit digital LED |
| Other Indications | LED indicates temperature patterns for heating/stabilizing/cooling |
| Timer | Fixed temperature operation, Program operation (maximum 99 steps or 99 patterns, with repeat operation function), Timer or clock operation function (Fixed temperature operation w/ auto start/auto stop/quick auto stop, program operation auto start) |
| Additional Functions | Variable Air Flow Function, Power-on Time and Operation Time Accumulation Monitor (up to 65,535 hours); Calibration Offset; Monitoring Display for Accumulated Power Consumption, Total CO 2 Emissions, and Heater Operation Output; Power Recovery Mode; Setting Data Backup and Recovery |
| Temperature Sensor | K type Thermocouple double sensor (for temperature control and independent overheat prevention device) |
| Heater Control | Triac with Zero-cross Control |
| Control Board | Self-diagnostic Functions (Detection for Temp. Sensor Failure, TRIAC Short Circuit, Automatic overheating prevention, Heater Line Disconnect, Main Relay Contact Damage ), Earth leakage breaker, Fan Motor Failure, Key Lock Function, Independent overheating prevention device |
| Earth Leakage Breaker | Leak Current/Short Circuit/Over-current Protection, Rated Current Sensitivity 30mA |
| Door Switch | Door open: fan motor and heater circuit OFF, Door close: fan motor and heater circuit ON |
| Internal Dimensions (W×D×H Mm)*² | 600×500×500 |
| External Dimensions (W×D×H Mm)*² | 730×695×940 |
| Capacity | 150L |
| Weight | 90kg |
| Number Of Shelf Bracket Step / Pitch | 13 steps/30mm |
| Withstand Load Of Shelf | 15kg/shelf |
| Power Supply V±10% 50/60Hz Single Phase | AC115V 15A (with plug) AC220V 8A (no plug, round terminal) |
| Shelf Plate / Bracket | 2 pcs. / 4 pcs. |
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