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Laboratory Constant Temperature Ovens

High cost performance forced convection oven, fixed type.
A forced convection, constant temperature oven incorporating simple operation functions and a wide range of other function, and boasting enhanced safety features and operability.
300 400 600
Operating temp. range
Room temp. +10deg.C to 260 deg.C
Temp. distribution accuracy
±2.5deg.C (at210deg.C)
Internal capacity
27 L 90 L 150 L
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  • Fixed setting, 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.
  • Over-heating prevention, calibration offsetting and key-lock are possible through the auxiliary functions.
  • Comprehensive safety features.

  DKM300 DKM400 DKM600
Circulation method Forced air circulation
Operating temperature range Room temp.+10 to 260deg.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.
Interior material
Exterior material
Stainless steel
Cold rolled steel plate with melamine resin baking finish
Heat insulating material Glass wool
Heater Stainless pipe heater
0.8 kW 1.2 kW 1.34 kW
Fan type Scirocco fan, Condenser type
Motor 10 W
Exhaust port/Cable port 30 mm l.D.×2 pcs.(the top) /30 mm l.D.×1 pc.(right side)
Temp. controller PlD control by microprocessor
Temp. setting method Operation menu key and 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 Fixed temperature operation, Auto start, Quick Auto-stop
Additional functions Calibration off-set function, Key lock, Uninterruptible power for memory
Heater circuit control SSR control
Sensor K-thermocouple
Safe Device
Safety countermeasures Self diagnosis functions (Temp. sensor abnormal, 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
Shelf plate with standard load Approx. 15 kg/piece
Shelf rest step number 6 steps 11 steps 13 steps
Shelf rest pitch 30 mm
Power source 50/60Hz AC100V 8.5(15A) AC100V 12.5A(15A) AC100V 14A(20A)
weight Approx. 35 kg Approx. 50 kg Approx. 65 kg
Shelf plate Stainless steel, 2 pcs.
Shelf bracket 4 pcs.

* 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.

Control Panel Temp.Rising Curve

Interior Cable Hole

Exhaust Holes

Dimensions (Unit:mm)

Optional items
Remark Description Model No. Product Code
Stand for DKM300, ON30 DKM Series 211180
Stand for DKM400, ON61 DKM Series 211856
Stand for DKM600, ON61 DKM Series 211856
  Stacking Support for DKM400, OD40 DKM Series 212822
  Stacking Support for DKM600, OD60 DKM Series 212823
  Shelf for DKM300 DKM Series 212068
  Shelf for DKM400 DKM Series 212246
  Shelf for DKM600 DKM Series 212266
Cable port 25mm dia DKM Series 281121
Cable port 50mm dia DKM Series 281122
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
Shelf (with 2 support)

Stainless Punching Metal (Weight Tolerance 15kg/pc)
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