FAQ:
Q1: What are the unique features of the Yamato DP Series? A: The DP Series represents Yamato's highly reliable Standard Type Vacuum Ovens. The defining unique feature of this series is its ability to perform high-precision thermal processing under reduced pressure (vacuum) environments down to 0.1KPa (1 Torr). It utilizes specialized Mica heating plates installed on the external wall of the chamber to provide gentle, uniform radiant heat. Furthermore, it features a programmable controller with 6 modes (up to 90 segments total) and cleverly integrates a dedicated installation space for a vacuum pump directly within the floor-standing base of the larger models, drastically saving laboratory floor space.
Q2: What are the internal size, external size, and capacity in Liters for the DP models? A: The DP series offers a massive range of capacities, scaling from compact benchtop units up to massive 1000-Liter industrial chambers. The models and their capacities are:
DP23C: 10 Liters
DP33C: 27 Liters
DP43C: 91 Liters
DP63C: 216 Liters
DP83C: 512 Liters
DP103C: 1000 Liters
Q3: What are the maximum and minimum operating temperatures? A: The operating temperature range varies depending on the capacity of the model you select, while all models maintain an operating pressure range of 101 to 0.1KPa:
For the compact models (DP23C / DP33C), the range is from 40°C up to a maximum of 240°C.
For the larger capacity models (DP43C / DP63C / DP83C / DP103C), the range is from 40°C up to a maximum of 200°C.
Q4: What is the temperature distribution accuracy of the oven? A: Heating in a vacuum requires specialized engineering. The DP series utilizes external wall heating to provide highly stable thermal control in a vacuum environment. The 240°C models (DP23C/33C) deliver a temperature adjusting accuracy of ±1.5°C (at 240°C). The 200°C models (DP43C~103C) provide an adjusting accuracy of ±1.0°C (at 200°C). All models across the series maintain a highly strict internal temperature fluctuation of just ±0.5°C, ensuring your sensitive samples are never exposed to temperature spikes.
Q5: How long does it take to reach the maximum temperature? A: Engineered with optimized Mica heating plates (ranging from 0.68kW up to 14.4kW) and superior thermal retention, the DP series achieves excellent thermal recovery in a vacuum. It takes approximately 60 to 90 minutes for the compact models to reach 240°C, and approximately 80 to 120 minutes for the larger models to reach 200°C.
Q6: What are the internal and exterior materials, and what are the advantages of the insulator? A: To withstand extreme negative pressure and resist corrosion, the internal chamber is constructed from premium stainless steel plate, offering effortless daily cleaning. The exterior is robustly built from cold-rolled steel plate finished with a specialized chemical-proofing coating, safeguarding the unit against harsh laboratory environments. The insulation utilizes advanced aluminosilicate cotton. This high-grade insulation perfectly seals the chamber, drastically minimizes heat loss, lowers energy consumption, and keeps the exterior safe to the touch while maintaining precise internal vacuum and thermal stability.
Q7: What applications is this oven suitable for and what are its key features? A: The DP series is highly suited for vacuum drying, degassing, defoaming, and curing of sensitive materials that would oxidize or degrade if heated in a standard atmospheric oven. Because it boils off moisture and solvents at much lower temperatures under vacuum, it is the perfect instrument for electronic component manufacturing, resin/polymer degassing, aerospace material testing, and pharmaceutical drying.
Q8: What are the built-in safety features? A: Safety is a paramount priority for Yamato, especially when operating pressurized vacuum vessels. The DP series is equipped with a comprehensive suite of safety mechanisms, including a highly responsive self-diagnostic circuit that instantly detects temperature sensor anomalies, automatic overheating risks, heater disconnections, and SSR short-circuits. It also includes an overheating preventer, an overcurrent leakage protection circuit breaker, a key lock function, and a power failure compensation function. Crucially, for operator safety, a heavy-duty safety protection resin panel is installed over the tempered glass viewing window to protect against implosions.
Q9: What is the shelf load weight capacity? A: The robust stainless steel shelves included with the DP series are structurally engineered to safely support heavy-duty sample loads under vacuum conditions. They securely accommodate dense electronic components, large semiconductor batches, and heavy laboratory glassware without warping or disrupting the radiant heat profile.
Q10: Is the price affordable while maintaining Japanese quality? A: Absolutely. Yamato is fiercely dedicated to providing incredibly cost-effective laboratory solutions. Even with its elite vacuum architecture, specialized Mica external wall heating, and massive capacities up to 1000L, the DP series is deliberately NOT priced at a premium. This gives your laboratory direct access to an elite standard of Japanese manufacturing without breaking the budget. You receive an instrument built with over 130 years of Yamato’s strict quality control, rigorous testing, and rich engineering heritage, ensuring complete confidence in the long-term reliability and value of your investment.
Q11: When and why should we use this oven? A: You should specifically choose the DP series when your laboratory requires a dependable, standard vacuum drying oven for routine degassing and moisture removal. If your materials oxidize easily or require drying at lower temperatures to prevent thermal degradation, a vacuum oven is mandatory. The DP series provides the perfect balance of advanced programmability, large capacity options, and economical pricing without the need to overspend on high-end touch-screen models.
Q12: What standard ports and optional accessories are available? A: Standardly equipped with an analog pointer-type vacuum gauge (-0.1~0MPa) and necessary vacuum valves, the DP series is highly adaptable. To maximize utility, you can customize the unit with Yamato’s recommended vacuum pumps (like the GLD, GCD, DA, DOP, or NeoDry series). Other options include extra stainless steel shelves, cold traps, N2 pressure reduction valves, vacuum pump oil, oil-mist filters, and exhaust vents.
Q13: Can these ovens be customized to suit specific customer needs? A: Yes. Recognizing that every laboratory has distinct workflows, Yamato can customize the DP series to a certain level to suit specific customer needs. Whether you require specific hardware integrations, unique vacuum valve placements, or specialized data output terminals for your production line, Yamato’s flexible manufacturing approach ensures your vacuum oven perfectly matches your facility's operational requirements.
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