Vacuum Drying Oven with Vacuum Pump High-Temperature 300℃/400℃ VOS300/400 Series
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Warranty: Rest easy with our 1-year warranty on all products (consumables excluded). pH meters include 2-year coverage for the main unit, 6 months for ions electrodes, and 1 year for pH/conductivity/DO electrodes. Just show us your proof of purchase, and we'll take care of the rest - no hassle guaranteed.
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- Description
- Product Downloads
- Shipping Information
LAB1ST VOS300/400 series is a high-temperature vacuum drying oven designed for demanding applications requiring elevated temperatures up to 300°C or 400°C. It combines rapid heating, precise temperature control, and reliable vacuum performance to safely dry heat-sensitive and oxidizable materials.
The unit comes standard with an inert gas inlet valve and over-temperature protection for enhanced operational safety. Ideal for industrial and laboratory use, it ensures consistent and repeatable results with enhanced safety features.
Features:
- High-Temperature Capability up to 300°C/400°C for demanding drying processes
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Durable SUS304 Stainless Steel Chamber ensures corrosion resistance and easy cleaning
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High Vacuum Integrity maintained by an adjustable silicone rubber door seal (VOS400-50L uses high-temperature borosilicate material seal for enhanced heat resistance)
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Clear Double-Layer Tempered Glass Door provides excellent visibility of the workspace
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Enhanced Safety Features including over-temperature protection and a standard inert gas inlet valve
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Programmable Process Control for setting heating, vacuum, and nitrogen purge times to ensure batch consistency
- Uniform Shelf Heating with 2 or 3 independently controlled shelves for efficient and consistent drying
- Fully Integrated Plug-and-Play Design includes a built-in vacuum pump and desiccant tank for immediate operation
Specifications:
| Model | VOS400-501 | VOS300-601 | VOS300-901 |
| Temp. Range | RT+50°C ~ 400°C | RT+20°C ~ 300°C | RT+20°C ~ 300°C |
| Display Resolution | 0.1°C | ||
| Temp. Fluctuation | ±1°C | ||
| Vacuum Level | 133 Pa | ||
| Vacuum Gauge | Mechanical Pointer Type | ||
| Chamber Material | SUS304 Stainless Steel (1Cr-18Ni/9Ti) | ||
| Chamber Volume | 64 L | 2.26 cu ft | 64 L | 2.26 cu ft | 91 L | 3.21 cu ft |
| Shelves | 2 pcs | 2 pcs | 2 pcs |
| Heating Method | Shelf Heating | Shelf Heating | Shelf Heating |
| Inner Dimensions (WxDxH, mm) | 400×400×400 | 400×400×400 | 450×450×450 |
| Outer Dimensions (WxDxH, mm) | 600×570×1390 | 600×570×1390 | 610×590×1350 |
| Power Input | 3800 W | 2300 W | 2450 W |
| Power Supply | AC220V 50Hz | AC220V 50Hz | AC220V 50Hz |
| Model | VOS300-120L | VOS300-210L |
| Temp. Range | RT+20°C ~ 300°C | RT+20°C ~ 300°C |
| Display Resolution | 0.1°C | |
| Temp. Fluctuation | ±1°C | |
| Vacuum Level | 133 Pa | |
| Vacuum Gauge | Mechanical Pointer Type | |
| Chamber Material | SUS304 Stainless Steel (1Cr-18Ni/9Ti) | |
| Chamber Volume | 125 L | 4.41 cu ft | 215 L | 7.59 cu ft |
| Shelves | 3 pcs | 3 pcs |
| Heating Method | Shelf Heating | Shelf Heating |
| Inner Dimensions (WxDxH, mm) | 500×500×500 | 560×600×640 |
| Outer Dimensions (WxDxH, mm) | 660×640×1400 | 720×820×1750 |
| Power Input | 2600 W | 2800 W |
| Power Supply | AC220V 50Hz | AC220V 50Hz |
If you require customization — including size, temperature range, or other specifications — please contact us at eshop@lab1st.com for more information.
You can download the following files:
Shipping Information
All the Standard Shipping packages will be delivered by standard logistics, such as DHL, FedEX, UPS, etc (shipping terms: DAP). We also provide Sea Shipping — please contact us at eshop@lab1st.com or chat with us online for real-time shipping cost. Please note that we are closed on weekends and holidays.
If the merchandise is in stock, we will ship it within 3 to 7 business days for Standard Shipping and about 20 to 30 business days for Sea Shipping. If it is out of stock, we will inform you of the estimated delivery time according to different products. All orders will be processed within 2 days (handling time).
Certificates
Frequently Asked Questions
Yes, all of our products have CE marked.
All the Standard Shipping package will be delivery by standard logistics, such as DHL, FedEX, UPS, etc (shipping terms: DAP). We also provide Sea Shipping, please contact us (eshop@lab1st.com) or chat with us online for real-time shipping cost. Please note that we are day off on the weekends and holidays.
If the merchandise is in stock, we will ship it within 3 to 7 business days for Standard Shipping package(s) and about 20 to 30 business for Sea Shipping package(s). If it is out of stock, we will inform you the estimated delivery time according to different products.
To cancel an order, please submit a Support Form with “Cancel/Change Order” as reason for inquiry. Please include your order number in the body or subject line of the email to help us resolve the issue right away. Since orders often ship in 3--7 days after they are placed, it is important to contact us as soon as possible so that we can stop the order before it ships. Once the order is picked up we cannot cancel the order, but we can initiate a return. Please be aware that if the product is customized and there are no quality problems, it cannot be canceled, returned, or exchanged once the customization is completed.
Usually, our lab equipment can not customize and our most of our processing equipment can, if you're not sure, please contact us.