Yamato DF & DH Series High Performance Programmable Lab Fine Ovens
Description
Highly reliable and accurate fine ovens with simple settings for various temperature characteristic tests requiring complicated programming.
Performance and functions
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
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.
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Technical Specs
| MODEL | DF412 | DF612 | DH412 | DH612 |
|---|---|---|---|---|
| System | Forced air circulation and ventilation | |||
| Operating Temp. Range*¹ | Room temp. +15~260°C | Room temp. +15~360°C | ||
| Temp. Adjustment Accuracy*¹ | ± 0.1°C (at 260°C) | ± 0.2°C (at 360°C) | ||
| Temp. Distribution Accuracy*¹ | ± 1.5°C (at 260°C) | ± 2.5°C (at 360°C) | ||
| Max. Temp. Reaching Time*¹ | ~40 min. (reaches 260°C when setting at 270°C) | ~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 | 2.1 kW | 3.0 kW | 2.7 kW | 3.75 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 | 15A | 20A | 20A | 30A |
| Leak current/short circuit / Over-current protection, rated current sensitivity 30mA | ||||
| 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 | 600×600×600 mm | 450×450×450 mm | 600x600x600 mm |
| External Dimensions*² W×D×H | 1050×630×850 mm | 1200×780×1000 mm | 1050×630×850 mm | 1200×780×1000 mm |
| Internal Capacity | 91L | 216L | 91L | 216L |
| Shelf Max. Load | ~30kg / pc. | |||
| Shelf Support Qty. / Pitch | 9 steps / 45mm | 9 steps / 60mm | 9 steps / 45mm | 9 steps / 60mm |
| Power Source 50/60 Hz Single Phase | AC220V 12.5A (no plug, round terminal) | AC220V 17.5A (no plug, round terminal) | AC220V 15.5A (no plug, round terminal) | AC220V 17.5A (no plug, round terminal) |
| Weight | ~112 kg | ~156 kg | ~112 kg | ~156 kg |
| Included Accessories | Shelf and brackets | |||
| Shelf / Bracket | 2 pcs / 4 pcs | 3 pcs / 6 pcs | 2 pcs / 4 pcs | 3 pcs / 6 pcs |
*¹ Performance data above based on rated source voltage, single phase 220V AC ±5%, supplied power, 23°C±5°C (room temperature), 65%RH ±20% humidity, 86kPa atmospheric pressure, exhaust damper closed, and no sample load.
*² Protrusions excluded.
Downloads
Yamato DF & DH Series Fine Lab Oven Info