Yamato DNF-301 115V Energy-Saving Gravity/Forced Convection Oven, 0.95 Cubic Ft.

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: Forced convection ±0.3°C (at 260°C)/Natural convection ±0.5°C (at 120°C)

Temp. Fluctuation *¹: Forced convection ±0.5°C (at 260°C)/Natural convection ±1.0°C (at 120°C)

Temp. Distribution Precision *¹: Forced convection ±2.5°C (at 260°C)/Natural convection ±5°C (at 120°C)

Temp. Gradient *¹: Forced convection 5°C (at 260°C)/Natural convection 15°C (at 120°C)

Temp. Rise Time *¹: Forced convection ~70min./Natural convection ~20min.

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): 0.8kW

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: 33mmx1 (right side)

Exhaust Port: Outer diameter: 50mmx1 (back side)

Inlet Port: Inner diameter: 33mmx1 (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 CO₂ 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 (WxDxH Mm)*²: 300x300x300

External Dimensions (WxDxH Mm)*²: 430x495x740

Capacity: 27L

Weight: ~50kg

Number Of Shelf Bracket Step / Pitch: 6steps/30mm

Withstand Load Of Shelf: 15kg/shelf

Power Supply V±10% 50/60Hz Single Phase: AC115V, 7.5A (with plug) with external transformer

Shelf Plate / Bracket: 2 pcs. / 4 pcs.

*¹: Temperature Accuracy / Rise time Standard: Testing Machinery Association of Japan. Temperature Fluctuation/Gradient Standard: Japanese Industrial Standard

Performance data above based on 115V or 220V AC supplied power, 23°C±5°C (room temperature), 65%RH ±20% humidity, maximum air speed (FAN setting 10), damper closed, and no process load.

*²: Protrusions excluded.

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