The Precision Hot Air Oven (Model QLO-72) is designed for high-performance drying, baking, and sterilization in laboratory and industrial environments. It offers excellent temperature control, uniform heat distribution, and a robust safety system, making it ideal for precise thermal processing.
Materials and Construction:
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Inner Chamber: Made of SUS304 heat-resistant stainless steel.
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Outer Body: Constructed from SS41 steel, anti-rust treated and coated in iron grey.
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Insulation: High-density 100K thermal insulation cotton (six-sided protection).
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Door: American-style single door with high-temp silicone sealant, explosion-proof lock, and rear button design.
Performance & Features:
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Air Circulation: High-temperature resistant motor with multi-wing fan for one-sided horizontal air circulation ensuring uniform heat.
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Shelving: Two adjustable stainless steel or grille-type shelves, 30 kg capacity per shelf.
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Ventilation: Adjustable full-in/full-out damper; can connect to external exhaust.
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Heating Element: Japanese sheathed heater (low radiation, dust-free, 5–10 years lifespan).
Control System:
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Controller: Korean ternary microcomputer controller with PID + SSR control.
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Interface: Simple operation with precise temperature stability.
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Safety Features:
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Dual-channel over-temperature protection
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Automatic shutdown and alarm
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Timer with shutdown and alert upon reaching target temperature
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Phase loss protection
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Overcurrent protection for circulation motor
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Technical Capabilities:
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Microcomputer controller
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Power efficiency and insulation resistance testing
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Recorder calibration supported
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Modular components allow custom specifications upon request
Operating Environment:
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Temperature: 0°C to 30°C
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Humidity: ≤85% RH
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Atmospheric Pressure: 0.086 MPa – 0.106 MPa
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Site Requirements:
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Clean air (no dust, flammable gases, or strong electromagnetic radiation)
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Level and well-ventilated ground
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Prohibited Uses:
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Storage/testing of:
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Flammable, explosive, or volatile substances
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Corrosive materials
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Biological specimens
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Strong electromagnetic radiation sources
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Parameter of Precision Industrial Hot Air Oven
| Temperature range | Room temperature +25℃～200℃（300℃） |
| Temperature fluctuation | ±0.3℃ |
| Temperature uniformity | ±1%℃ |
| Temperature resolution | 0.1℃ |
| Heating up time | 30 minutes |
| External chamber material | Cold-rolled sheet + Powder coating |
| Interior chamber material | SUS#201 stainless steel plate (Adopt SUS#304 stainless steel when temperature>200℃) |
| Insulation | fiberglass wool |
| Wind circulation system | Centrifugal fan air circulation system |
| Heating system | Stainless steel high-speed heater |
| Control system | Button type Digital controller |
| Components | Control status indicator, loading shelf(2 pcs, height adjustable) |
| Safe device | Phase Sequence protection, overtemperature, overcurrent, overload protection |
| Power supply | AC 1Ψ 220V 60/50Hz, AC 3Ψ 380V 60/50Hz |
| Customization service | Non-standard or special requirements can be customized. |
** free of charge, unique software of Qlabtics for managing device maintenance and troubleshooting.
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