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DF & DH Series - High Performance Programmable Oven
DF412 / DF612 / DH412 / DH612
Laboratory Oven is essential for general heating routines from drying food samples to curing microchips. Lab Oven is one of the fundamental instruments every laboratory should have.
DF & DH Series is a Highly reliable and accurate fine oven with simple settings for various temperature characteristic tests requiring complicated programming.
Improved visibility and operability of control panel.
Precise temperature stability & uniformity.
Standard equipped with adjustable air speed function and displays of power consumption, CO₂ emission and heat timer.
Enhanced program operation function (maximum 99 steps, 99 patterns, repetitive operation function).
Improved safety with fan motor error detection.
Exhaust damper allows quick exhaust and cooling of inside chamber.
Equipped with exhaust and cable ports.
Precise temperature stability & uniformity.
Standard equipped with adjustable air speed function and displays of power consumption, CO₂ emission and heat timer.
Enhanced program operation function (maximum 99 steps, 99 patterns, repetitive operation function).
Improved safety with fan motor error detection.
Exhaust damper allows quick exhaust and cooling of inside chamber.
Equipped with exhaust and cable ports.
Safety features:
Self-diagnosis circuit (abnormal temp. sensing, heater disconnection, auto overheat prevention, SSR short circuit), overheat protector, earth leakage breaker, key lock and door switch.
Technical specifications
DF412 | DF612 | DH412 | DH612 | |
System | Forced air circulation and ventilation | |||
Operating temperature range | Room temp. +15~260°C | Room temp. +15~360°C | ||
Temperature control accuracy | ± 0.1°C (at 260°C) | ± 0.2°C (at 360°C) | ||
Temperature distribution accuracy | ± 1.5°C (at 260°C) | ± 2.5°C (at 360°C) | ||
Maximum temperature reaching time | ~40 min. (reaches 260°C when setting at 270°C) | ~50 min. (reaches 360°C when setting at 370°C) | ||
Interior | Stainless steel | |||
Exterior | Chrome-free electro-galvanized steel sheet metal, chemical-proof baked on finish | |||
Exhaust port | Automatic exhaust damper I.D. 80 mm (rear panel) | |||
Cable port | I.D. 33 mm x 1 pc. (rear) | |||
Heater | SUS pipe heater / 2.1kW | SUS pipe heater / 3.0kW | SUS pipe heater / 2.7kW | SUS pipe heater / 3.75kW |
Heat insulation material | Glass wool | |||
Heater Circuit Control | Triac with zero-crossing method | |||
Fan type / Motor | Axial fan (capacitor type motor 20W) | |||
Door | Single swing (left side) | |||
Sensor | K thermocouple (double sensor) | |||
Temperature control | PlD Z control | |||
Temperature setting | Digital setting by ▲/▼ key | |||
Temperature display | 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 / timer resolution | Fixed value operation for 1 min. to 99 hrs. 59 mins. 24 hr time system: clock operation | |||
Operation function | 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 | |||
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). | |||
Earth leakage breaker | 15A | 20A | 30A | |
Leak current/short circuit / Over-current protection, rated current sensitivity 30mA | ||||
Internal dimensions WxDxH | 450×450×450 mm | 600×600×600 mm | 450×450×450 mm | 600x600x600 mm |
External dimensions WxDxH | 1050×630×850 mm | 1200×780×1000 mm | 1050×630×850 mm | 1200×780×1000 mm |
Internal capacity | 91L | 216L | 91L | 216L |
Shelf load capacity | ~30 kg/pc. | |||
Shelf rest step number | 9 steps / 45 mm | 9 steps / 60 mm | 9 steps / 45 mm | 9 steps / 60 mm |
Power supply (50/60 Hz) | 12,5A (no plug, round terminal) | 17,5A (no plug, round terminal) | 15,5A (no plug, round terminal) | 17,5A (no plug, round terminal) |
Weight | ~112 kg | ~156 kg | ~112 kg | ~156 kg |
Shelfs and Brackets (stainless) | 2 pcs / 4 pcs | 3 pcs / 6 pcs | 2 pcs / 4 pcs | 3 pcs / 6 pcs |
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