Yamato DNF-Series Forced Convection Ovens

High-performance, energy-saving, programmable constant temperature, forced convection ovens with air velocity control and exhaust dampers. The first 2 in 1 system in the industry!

Performance and functions

  • Two types of circulation, forced and natural convection, in one unit (compatible with model 300/400/600)
  • Eco-oven with improved air velocity control system and adjustable damper
  • Program featured to reduce power consumption significantly
  • Superior heat tightness and insulation of chamber
  • Excellent dust tightness, dust can hardly enter the chamber
  • Air velocity changeable in 10 stages using digital setting of controller
  • Standard with 99 step program operation with repeat operation, auto start, auto stop and quick auto stop functions
  • Adjustable damper position at chamber front to optimize operation
  • Fluorescent display, interactive input method, calibration off-set function

Model DNF301 DNF401/411 DNF601/611 DNF811 DNF911
Circulation method Forced convection + Natural convection Forced convection
External temp. range 5~35°C
Temperature set range 0~130°C (Wind velocity: 0), 0~270°C (Wind velocity: 1~10) 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)
RT +15~260°C
(Wind velocity: 1~10)
Temp. control accuracy *¹ Forced  ±0.3°C (at 260°C)
Natural  ±0.5°C (at 120°C) ±0.3°C (at 120°C) Not applicable
Temp. fluctuation *¹ Forced  ±0.5°C (at 260°C)
Natural  ±1.0°C (at 120°C) ±0.8°C (at 120°C) ±0.6°C (at 120°C) Not applicable
Temp. distribution precision *¹ Forced  ±2.5°C (at 260°C)
Natural  ±5°C (at 120°C) ±3°C (at 120°C) Not applicable
Temp. gradient *¹ Forced  5°C (at 260°C)
7°C
(at 260°C)
8°C
(at 260°C)
12°C
(at 260°C)
6°C
(at 260°C)
Natural 15°C (at 120°C) 13°C (at 120°C) Not applicable
Temp. rise time *¹ Forced  ~70min. ~105min. ~100min. ~60min. ~100min.
Natural  ~20min. ~25min. Not applicable
Chamber / Exterior / Insulation Stainless steel / Cold rolled steel paneling, chemical-proof baked-on finish / Glass wool
Door Single swing (left side)
Double doors
(opening from center)
Heater
(stainless steel tube)
0.8kW 0.6kWx2 0.83kWx2 1.35kWx2 1.65kWx2
Wind velocity adjusting system 10 steps (600~1500rpm) + Wind velocity (0) 10 steps (600~1500rpm)
Damper Circulation-Ventilation Manual switching: Interlocked intake and exhaust system (Complete exhaust applicable /Unable to reach 260°Cwith damperfully open)
Cable port Inner diameter: 33mm×1 (right side)
Exhaust port Outer diameter: 50mm×1 (back side)
Outer diameter: 50mm×2
(back side)
Inlet port Inner diameter: 33mm×1 (right side)
Inner diameter: 33mm×2
(both side)
Controller Model V type
Temperature control / setting system PID Z control / Digital setting with up/down 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 W×D×H mm
300×300×300 450×450×450 600×500×500 600×500×1000 1090×500×1000
External W×D×H mm 430×495×740 580×645×890 730×695×940 730×695×1685 1220×695×1685
Capacity 27L 90L 150L 300L 540L
Weight ~50kg ~75kg ~90kg ~135kg ~210kg
Number of shelf bracket step / pitch 6steps/30mm 11 steps/30mm 13 steps/30mm 29 steps/30mm
Withstand load of shelf 15kg/shelf
Power supply V±10% 50/60Hz Single phase
AC115V, 7.5A (with plug)
with external transformer
AC115V 11A (with plug)
AC220V 6A (no plug, round terminal)
AC115V 15A (with plug)
AC220V 8A (no plug, round terminal)
AC220V 15.5A
(no plug, round terminal)
AC220V 18.5A
(no plug, round terminal)
Included accessories Shelf and brackets
Shelf plate / bracket 2 pcs. / 4 pcs. 4 pcs. / 8 pcs. 8 pcs. / 16 pcs.
Filter
Item Capacity Convection Type Power- 50/60 Hz Temp. Range Unit of Measure Price Purchase
EF29269
DNF-301-220V
27L Forced + Natural 220V no plug, round terminal Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$4,909.95
In Stock
EF29271
DNF-411
90L Forced + Natural 220V, 6A no plug, round terminal Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$5,629.95
In Stock
EF29274
DNF-811
300L Forced 220V, 15.5A no plug, round terminal Ambient + 15°C to 260°C (wind velocity: 1-10) Each
$9,691.95
In Stock
EF29275
DNF-911
540L Forced 220V, 18.5A no plug, round terminal Ambient + 15°C to 260°C (wind velocity: 1-10) Each
$15,547.95
In Stock
EF29273
DNF-611
150L Forced + Natural 220V, 8A no plug, round terminal Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$6,309.95
In Stock
EF29272
DNF-601
150L Forced + Natural 115V, 15A no plug, round terminal Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$6,309.95
In Stock
EF29270
DNF-401
90L Forced + Natural 115V, 11A with plug Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$5,629.95
In Stock
EF29268
DNF-301-115V
27L Forced + Natural 115V, 7.5A with plug Ambient +25° to 120°C (air velocity: 0); Ambient + 15° to 260°C (wind velocity: 1-10) Each
$4,909.95
In Stock

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