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Yamato DH-412 Fine Oven, 91L Capacity, 220V, Programmable Forced Air Circulation Oven

UsedYamato ScientificHeating & coolingUnited States

From€5,697.17excl. VAT

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System
Forced air circulation and ventilation
Operating Temp. Range*¹
Room temp. +15~360°C
Temp. Adjustment Accuracy*¹
± 0.2°C (at 360°C)
Temp. Distribution Accuracy*¹
± 2.5°C (at 360°C)
Max. Temp. Reaching Time*¹
~50 min. (reaches 360°C when setting at 370°C)
All 34 specifications
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Specifications 34

Brands
Yamato Scientific
New/Used
Used
System
Forced air circulation and ventilation
Operating Temp. Range*¹
Room temp. +15~360°C
Temp. Adjustment Accuracy*¹
± 0.2°C (at 360°C)
Temp. Distribution Accuracy*¹
± 2.5°C (at 360°C)
Max. Temp. Reaching Time*¹
~50 min. (reaches 360°C when setting at 370°C)
Temp. Control System
PlD Z control
Temp. Setting Method
Digital setting by ▲/▼ key
Temp. Display Method
Setting temp. display: Digital display by 5-digit orange LED (resolution: 1°C) Temp. display: Digital display by 4-digit green LED (resolution: 1°C)
Other Indication
LED indicates temperature patterns for heating/stabilizing/cooling
Timer Display Range
Fixed value operation for 1 min. to 99 hrs. 59 mins. 24 hr time system: clock operation
Operation Functions
Fixed temperature, Auto start, Auto stop, Program operation: up to 99 steps, 99 patterns, repeat operation function
Additional Functions
Variable air flow function, power on time and timer accumulation monitor (up to 65535 hrs), calibration offset, power consumption display, total CO₂ emissions and heat operation output, power failure recovery mode, setting data backup and recovery
Sensor
K thermocouple (double sensor)
Heater Insulator
SUS pipe heater with fan
Heater Capacity
2.7 kW
Blower Fan (Motor)
Axial fan (capacitor type motor 20W)
Cable Port
I.D. 33 mm x 1 pc. (rear)
Interior / Exterior Material
Stainless steel/ Chrome-free electro-galvanized steel sheet metal, chemical-proof baked on finish
Door
Single swing (left side)
Exhaust Port
Automatic exhaust damper I.D. 80 mm (rear panel)
Heat Insulator
Glass wool
Heater Circuit Control
Triac with zero-crossing method
Earth Leakage Breaker
20A
Safety Device
Self-diagnostic functions (temp. sensor error, TRIAC short circuit, heater disconnection, SSR short-circuit, fan motor failure, main relay contact damage and overheating), key lock function, door switch (door open, fan motor and heater circuit OFF / door close: fan motor and heater circuit ON), independent overheat prevention (temp. setting range: 0~300°C for DF and 0~400°C for DH)
Internal Dimensions*² W×D×H
450×450×450 mm
External Dimensions*² W×D×H
1050×630×850 mm
Internal Capacity
91L
Shelf Max. Load
~30kg / pc.
Shelf Support Qty. / Pitch
9 steps / 45mm
Power Source 50/60 Hz Single Phase
AC220V 15.5A (no plug, round terminal)
Weight
~112 kg
Shelf / Bracket
2 pcs / 4 pcs

Product description

Programmable 91L forced air circulation oven with ±0.2°C stability, max 360°C, 99-step program control, CO₂ monitoring.

The Yamato DH-412 Fine Oven features:

  • System: Forced air circulation and ventilation
  • Capacity: 91 liters with internal dimensions 450×450×450 mm
  • Temperature Range: Room temperature +15 to 360°C
  • Temperature Accuracy: ±0.2°C adjustment accuracy at 360°C; ±2.5°C distribution accuracy at 360°C
  • Heating Time: Approx. 50 minutes to reach 360°C (set at 370°C)
  • Temperature Control: PID Z control with digital setting via ▲/▼ keys
  • Display:
  • Setting temp: 5-digit orange LED (resolution 1°C)
  • Actual temp: 4-digit green LED (resolution 1°C)
  • Indicator LEDs for heating, stabilizing, and cooling phases
  • Program Operation: Up to 99 steps and 99 patterns with repeat function
  • Additional Features:
  • Adjustable air speed (variable air flow)
  • Power consumption display and total CO₂ emissions tracking
  • Heat timer and operation accumulation monitor (up to 65535 hours)
  • Calibration offset adjustment and power failure recovery mode
  • Data backup and recovery capabilities
  • Sensor: Dual K thermocouples for precise sensing
  • Heater: SUS pipe heater with 2.7 kW capacity and axial blower fan (capacitor 20W motor)
  • Material: Stainless steel interior; chrome-free electro-galvanized chemical-resistant baked finish exterior
  • Door: Single swing, left side
  • Exhaust: Automatic damper exhaust port with 80 mm internal diameter
  • Insulation: Glass wool
  • Safety Mechanisms:
  • Self-diagnostic functions (sensor errors, heater disconnection, TRIAC/SSR faults, fan motor failure, contact damage, overheating)
  • Earth leakage breaker (20A), key lock, door switch controlling fan and heater circuits
  • Independent overheat prevention (temperature limits: 0-300°C for DF series, 0-400°C for DH series)
  • Mechanical Specs:
  • External dimensions: 1050×630×850 mm
  • Weight: Approximately 112 kg
  • Shelves: 2 pcs supplied, 9-step support with 45 mm pitch, max load ~30 kg per shelf
  • Power Requirements: AC 220V, 15.5A, 50/60 Hz, single phase (no plug, round terminal)
  • Ports: One cable port (33 mm diameter, rear)

This oven is designed for reliable and precise temperature stability in complex temperature characteristic testing with straightforward programming and enhanced safety features.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

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Last updated 19 October 2026