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Yamato DNF-301-115V Forced and Natural Convection Oven, 27L Capacity
Product Description
Yamato DNF-301 Forced Convection Oven with External Transformer (115V)
- Capacity: 27 liters
- Convection types: Combined forced and natural convection in a single unit
- Temperature Range:
- Forced convection: Room temperature +15°C to 260°C
- Natural convection: Room temperature +25°C to 120°C
- Temperature Control Accuracy:
- Forced convection: ±0.3°C at 260°C
- Natural convection: ±0.5°C at 120°C
- Temperature Fluctuation:
- Forced convection: ±0.5°C at 260°C
- Natural convection: ±1.0°C at 120°C
- Temperature Distribution Accuracy:
- Forced convection: ±2.5°C at 260°C
- Natural convection: ±5°C at 120°C
- Heating Element: 0.8 kW heater with PID microprocessor control
- Air Velocity: 10-stage digital wind velocity adjustment for forced convection
- Program Features:
- 99-step programmable operation with repeat, auto start, auto stop, and quick auto stop
- Calendar timer (max 24 hours), integration timer (max 65535 hours), clock, calibration offset
- Display of power consumption, CO2 discharge
- Physical Dimensions:
- Internal (W×D×H): 300×300×300 mm
- External (W×D×H): 430×495×740 mm
- Materials:
- Interior: Stainless steel
- Exterior: Electro-galvanized steel with epoxy and melamine resin finish
- Heat insulation: Glass wool
- Safety Features:
- Self-diagnosis (sensor, fan, heater, relay, triac, overheat prevention)
- Independent overheat prevention, key lock, electric leakage breaker, door switch
- Additional: Manual exhaust damper, adjustable damper position, fluorescent display with interactive input, sensor: 2× K-thermocouples
- Accessories: 2 stainless steel punched metal shelves, 4 shelf supports
- Weight: 50 kg
- Power Source: AC 220V single-phase
- Other: Cable hole and air intake hole (33 mm I.D. each on right side)
This oven combines forced and natural convection with programmable, energy-saving temperature controls and robust safety systems for laboratory precise heating applications.
Item Stats
Product details
| Item Code | 212830 |
| Model | DNF301 |
| Method | 2 in 1 type: Forced and Natural convection, with manual exhaust damper |
| Heater | 0.8kW |
| Exhaust port | 50mm I.D. (Back)×1pc. |
| Additional functions | Calendar timer (max. 24 Hrs.), Integration time (max. 65535Hrs.), Clock, Calibration off-set, Display the amount of Power consumption / CO2 discharge / |
| Sensor | K-thermocouple ×2pcs. |
| Shelf plate with standard load | Approx. 15kg/piece |
| Forced convection (Wind velocity setting:1-10) Operating temp. range | Room temp. +15 to 260°C |
| Forced convection Temp. control accuracy (JTM K05) | ±0.3°C(at 260°C) |
| Forced convection Temp. fluctuation (JIS) | ±0.5℃（at 260℃） |
| Forced convection Temp. distribution accuracy (JTM K05) | ±2.5℃（at 260℃） |
| Forced convection Temp. gradient (JIS) | 5℃（at 260℃） |
| Forced convection (Wind velocity setting:1-10) Max. temp. reaching time | Approx. 70 min. |
| Natural convection Operating temp. range | Room temp. +25 to 120°C |
| Natural convection Temp. control accuracy (JTM K05) | ±0.5℃（at 120℃） |
| Natural convection Temp. fluctuation (JIS) | ±1.0℃（at 120℃） |
| Natural convection Temp. distribution accuracy (JTM K05) | ±5℃（at 120℃） |
| Natural convection Temp. gradient (JIS) | 15℃（at 120℃） |
| Natural convection Max. temp. reaching time | Approx. 20 min. |
| Interior / Exterior material | Stainless steel / Electro-galvanized steel sheet with epoxy and melamine resin baking finish |
| Heat insulating material | Glass wool |
| Cable hole | 33mm I.D. (Right)×1pc. |
| Air in-take hole | 33mm I.D. (Right)×1pc. |
| Temp. controller | PlD control by microprocessor |
| Temp. setting method | Digital setting by UP/DOWN key |
| Timer display range | Fixed value operation for 1 min. to 99 hr 59 min. and 24hr. setting |
| Additional functions | Heater operation amount, Power failure recovery mode, User setting information save and recall, Wind velocity changeable function |
| Safety countermeasures | Self diagnosis functions (Sensor, Fan, Heater, Relay, Triac, Automatic overheat prevention), Independent overheat prevention, Key lock function, Electric leakage breaker, Door switch |
| Shelf support step number | 6 steps |
| Shelf support pitch | 30 mm |
| Accessories Shelf (Stainless punching metal) | 2 pcs. |
| Accessories Shelf support | 4 pcs. |
| Internal dimensions（W×D×H mm） | 300×300×300mm |
| External dimensions（W×D×H mm） | 430×495×740mm |
| Remarks(dimensions) | 27L |
| Power Source | AC220V Single-phase |
| Weight | 50kg |
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