Yamato Scientific DH412
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| Yamato DF & DH Series High Performance Programmable Fine Ovens Highly reliable and accurate fine ovens with simple settings for various temperature characteristic tests requiring complicated programming Performance and Functions
Safety Features
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| Specifications | ||||
| Models | 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 CO 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 |
| 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 atomospheric pressure, exhaust damper closed, and no sample load. *² Protrusions excluded. |
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| Catalog Number | Description | Voltage |
DF412 |
Fine Oven Programmable 91L | 220V |
DF612 |
Fine Oven Programmable 216L | 220V |
| DH412 * | Fine Oven Programmable 91L | 220V |
DH612 |
Fine Oven Programmable 216L | 220V |
