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HOMEProductsDrying OvenDX302/402/602
Laboratory Drying Ovens, Constant Temperature


  • Voluntary temperature (one point) can be memorized.
  • Fixed setting, Quick Auto stop, Auto stop, and Auto start operating modes are possible, along with easy control capabilities.
  • Equipped with self-diagnostic function.
  • Safety measures are enriched, including self-diagnosis function.
Natural convection ovens of standard type.
The DX series represents a standard type of natural convection constant temperature drying ovens. They are equipped with a newly developed easy operation controller, and digital setting and indication method by up and down key input is adopted.

302 402 602
Operating Temperature Range
Room temp. +10deg.C to 300 deg.C Room temp. +5deg.C to 280 deg.C
Temp. Distribution Accuracy
Internal Capacity (L)
28 74 153
PDF Catalog

Model DX302 DX402 DX602
Circulation method Natural convection
Operating temperature range Room temp. +5 to 300deg.C Room temp. +5 to 280 deg.C
Temp. control accuracy
Temp. distribution accuracy
±1.0deg.C(at 300deg.C)
±10deg.C(at 300deg.C)
±1.0deg.C(at 280deg.C)
±10deg.C(at 280 deg.C)
Max. temp. reaching time Aprox. 45 min. Aprox. 60 min. Aprox. 80 min.
Interior material Stainless steel
Exterior material Electro-galvanized steel sheet with melamine resin baking finish
Heat insulating material Glass wool
Heater Iron-chrome wire heater, 0.9 kW Iron-chrome wire heater, 1.36 kW
Exhaust port 34 mm I.D. x 2 pcs. ( the top)
Temp. 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.
Operation function Fixed temperature operation, Quick auto stop, Auto stop, Auto start
Additional functions Calibration off-set, Uninterruptible power for memory
Heater circuit control SSR control
Temp. sensor K-thermocouple
Safe Device
Safety countermeasures Self diagnosis functions(Temp. Sensor abnormal, Abnormal memory, Meas. temp. abnormal, Automatic overheat 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
28 liters
74 liters
153 liters
Shelf plate with standard load Approx. 15 kg/piece
Shelf rest step number 6 steps 9 steps 12 steps
Shelf rest pitch 35 mm
Power source 50/60Hz 100V/220V, single phase,
100V/220V, single phase,
100V/220V, single phase,
weight Approx. 23 kg Approx. 38 kg Approx. 56 kg
Shelf plate Stainless steel, 2 pcs.
Shelf bracket 4 pcs. (1 pair - 2 pcs. is 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.

Control Panel Temp.Rising Curve


Dimensional Drawing (mm)

Optional items
Remark Description Model No. Product Code
Stand for DX302, ONS30 DX Series 212801
Stand for DX402/602, ONS60 DX Series 212802
  Stacking support for DX302, ODK80 DX Series 212803
  Stacking support for DX402, ODK82 DX Series 212804
  Stacking support for DX602, ODK84 DX Series 212805
  Shelf (with support) for DX302 DX Series 212094
  Shelf (with support) for DX402 DX Series 212095
  Shelf (with support) for DX602 DX Series 212266
Cable port, 25mm dia DX Series 281009
Cable port, 50mm dia DX Series 281010
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
Mounting Parts
Shelf (with 2 support)

Stainless Punching Metal (Weight Tolerance 15kg/pc)
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