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Drying Oven Yamato DKN402


Drying Oven Yamato DKN402,Drying Oven Yamato DKN302,Drying Oven Yamato DKN612


Forced convection ovens of standard type, Programmable.
A forced convection, programmable constant temperature oven incorporating programmable operation functions and a wide range of other function, and boasting enhanced safety features and operability.


  • Fixed setting, programmed, Quick Auto stop, Auto stop, and Auto start operating modes are possible, along with easy control capabilities.
  • Settings can be made digitally using the dedicated operation menu keys or the keys. Incorporates a 30-step, 3-pattern program controller with repeat functions.
  • Over-heating prevention and calibration offsetting are possible through the auxiliary functions.
  • Comprehensive safety features.
  • Spesification

    Circulation method Forced air circulation
    Operating temperature range Room temp.+10 to 260deg.C Room temp.+10 to 250deg.C Room temp.+10 to 210deg.C
    Temp. control accuracy
    Temp. distribution accuracy
    ±1.0deg.C(at 210deg.C)
    ±2.5deg.C(at 210deg.C)
    Max. temp. reaching time Approx. 90 min. Approx. 60 min.
    Interior material
    Exterior material
    Stainless steel
    Cold rolled steel plate with melamine resin baking finish
    Heat insulating material Glass wool
    Heater Stainless pipe heater
    0.8KW 1.2KW 1.34KW 1.2KW x 2 1.5KW x 2
    Fan type Scirocco fan, Condenser type
    Motor 10W 30W 10W x 2
    Exhaust port/Cable port 30 mm l.D.×2 pcs.(the top) /30 mm l.D.×1 pc. (right side) 30 mm l.D.×2 pcs.(the back)/30 mm l.D.×1 pc. (right side)
    Observation window 180×180mm 250×280mm None
    Temp. controller 3 patterns program controller, PID control by microprocessor
    Temp. setting method Digital setting by UP/DOWN key
    Temp display method Measurement temp. : Digital display by green LED Setting temp. : Digital display by red LED
    Timer 1 min. to 99 Hrs. 59 min. and 100 Hrs. to 999 Hrs. 50 min.
    Min. division 1 min. or 1 Hrs.
    Operation function
    Program mode
    Fixed temperature operation, Program operation, Auto start, Quick Auto-stop,
    Program operation : 3 pattern, 30 steps(30 steps×1, 15 steps×2, 10 steps×3) Pattern repeat function
    Additional functions Calibration off-set function, Key lock, Uninterruptible power for memory
    Heater circuit control
    SSR control
    Safe Device
    Safety countermeasures Self diagnosis functions (temp. sensor abnormal, Heater disconnection, SSR- short, 
    Automatic overheating prevention), Key lock function, Overheat prevention, 
    Electric leakage breaker with over current protection
    Internal dimensions (W×D×Hmm)
    External dimensions(W×D×Hmm)
    Internal capacity
    27 liters
    90 liters
    150 liters
    300 liters
    535 liters
    Shelf plate with standard load Approx. 15kg/piece
    Shelf rest step number 6 steps 9 steps 12 steps 29 steps 29 steps x 2
    Shelf rest pitch 30mm
    Power source 50/60Hz 100V/220V 
    single phase, 
    single phase, 
    single phase, 
    14A /7A/6.4A
    single phase, 
    single phase, 
    weight Approx. 35 kg Approx. 50 kg Approx. 65 kg Approx. 110 kg Approx. 190 kg
    Shelf plate Stainless steel, 2 pcs. Stainless steel, 4 pcs. Stainless steel, 8 pcs.
    Shelf bracket 4 pcs. (1 pair - 2 pcs. is fixed) 8 pcs. (Same as left) 16 pcs. (2 pairs are fixed)

    * The performance shown here is the value under the condition of the ambient temperature of 23deg.C±5deg.C, humidity of 65%RH±20%.

    * The projection is not included for Internal dimensions and External dimensions.


    DKN812/300L DKN912/535L


    Control Panel Temp.Rising Curve




    Exhaust Holes Cable Hole


    Dimensions (Unit:mm)



    Optional items
    Remark Description Model No. Product Code
    Stand forDKN302, ON30 DKN Series 211180
    Stand for DKN402/602, ON61 DKN Series 211856
      Stacking support for DKN402, OD40 DKN Series 212822
      Stacking support forDKN602/612, OD60 DKN Series 212823
      Shelf (with support 2 pcs) for DKN302 DKN Series 212094
      Shelf (with support 2 pcs) for DKN402 DKN Series 212246
      Shelf (with support 2 pcs) for DKN602/612/812 DKN Series 212266
      Shelf (with support 2 pcs) for DKN912 DKN Series 212490
    Cable port, 25mm dia DKN Series 281121
    Cable port, 50mm dia DKN Series 281122
    Temperature output terminal (4-20 mA) DKN Series 281123
    External alarm terminal/ time-up output terminal (to choose either) * DKN Series 281124
      * In case auto damper is chosen, external alarm terminal
    will become time-up output terminal.
    DKN Series  
      * Signal tower is also available upon request. DKN Series  
    External communication function (RS485) DKN Series 281125
    External communication adapter (changeable to RS232C) DKN Series 281126
    Anti-vibration material with support EPM-08 DKN Series 851352
    Anti-vibration material without support  EPM-05 DKN Series 851351
    1. The item marked " ● " in the column of "Remark" shall be ordered together with the main unit.
    2. The transportation cost will not be required if the order is together with main unit except the item marked "○".
    In case you order the item marked "○" together with the main unit, please ask Yamato to obtain the correct transportation cost.

    ON Model
    Anti Vibration Material
    Shelf (with 2 support)

    Stainless Punching Metal (Weight Tolerance 15kg/pc)