
LAB1ST VOS200 series is an integrated vacuum drying oven designed for precise and reliable temperature and vacuum control.
It supports programmable vacuum and temperature cycles, making it ideal for drying heat-sensitive and easily oxidized materials.
With a digital pressure sensor and microcomputer-controlled vacuum system, the VOS200 ensures efficient and repeatable drying processes.
Features
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Key Features
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Standard Programmable Control: Offers comprehensive control over heating, vacuum, nitrogen purge, and time, including temperature ramp rate (slope) control for precise process management.
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Rectangular Chamber Design: Maximizes usable workspace volume.
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Tempered & Bullet-Proof Double-Layer Glass Door: Provides clear visibility into the chamber; compatible with inert gas injection.
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Adjustable Door Seal & Integrated Silicone Gasket: Maintains high vacuum integrity.
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Stainless Steel Interior: Durable, long-lasting, and easy to clean.
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Oxygen-Free Operation: Suitable for storage, heating, testing, and drying under inert or vacuum conditions to prevent oxidation.
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Reduced Drying Time: Cuts drying time by over 50% compared to conventional vacuum drying ovens.
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Drying Process Control
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The vacuum drying process can be programmed with customizable vacuum cycles. Users can set upper and lower vacuum limits to further shorten drying times. For example:
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Minimum Vacuum: 50Pa
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Maximum Vacuum: 900Pa
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Cycle Count: Up to 99 cycles
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As cycles progress, humidity decreases rapidly, significantly accelerating drying.
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Programmable Cycle Control
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User-friendly interface with direct programming capability.
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Supports up to 15 program segments, each configurable from 1 to 9999 minutes.
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Pre-set startup and shutdown timers for automated operation.
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Vacuum Control
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Digital vacuum control with auto-regulation via digital vacuum gauge.
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Adjustable vacuum range: 10–105 Pa (minimum achievable vacuum: 133Pa).
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Control accuracy: ±1%.
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Resistant silicon piezoresistive sensor ensures stable pressure readings, unaffected by airflow.
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Temperature Control Advantages
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15-Segment Programmable Profiles:
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Standard temperature and hold-time settings ("Temperature – Dwell Time").
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Ramp rate control using "Temperature–Time–Temperature" format for precise heating/cooling rate management.
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Full control over every stage: heating, holding, and cooling.
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Heating Methods: Chamber heating or shelf heating
Specifications
Model | VOS200-33L | VOS200-63L | VOS200-93L | VOS200-123L | VOS200-213L | VOS200-503L | VOS200-933L |
|---|---|---|---|---|---|---|---|
Chamber Volume | 33 L | 1.17 cu ft | 64 L | 2.26 cu ft | 91 L | 3.21 cu ft | 125 L | 4.41 cu ft | 215 L | 7.59 cu ft | 430 L | 15.19 cu ft | 910 L | 32.14 cu ft |
Shelves | 2 pcs | 3 pcs | 2 pcs | 3 pcs | 3 pcs | 4 pcs | 5 pcs |
Heating Method | Chamber Heating | Chamber Heating | Chamber Heating | Shelf Heating | Shelf Heating | Shelf Heating | Shelf Heating |
Inner Dimensions (W×D×H, mm) | 320×320×320 | 400×400×400 | 450×450×450 | 500×500×500 | 560×600×640 | 630×810×845 | 750×1160×1050 |
Outer Dimensions (W×D×H, mm) | 550×490×1240 | 600×570×1390 | 610×590×1350 | 660×640×1400 | 720×820×1750 | 1000×1040×1855 | 1400×1395×2010 |
Power Input | 1200 W | 1800 W | 1350 W | 2050 W | 2100 W | 3800 W | 5600 W |
Power Supply | AC220V 50Hz | AC220V 50Hz | AC220V 50Hz | AC220V 50Hz | AC220V 50Hz | AC380V 50Hz | AC380V 50Hz |
Display Resolution | 0.1°C |
Temp. Fluctuation | ±1°C |
Vacuum Range | 10–10⁵ Pa (min. 133 Pa) |
Vacuum Sensor | Resistive Silicon Tube Pressure Sensor |
Vacuum Gauge | Digital Play |
Chamber Material | SUS304 Stainless Steel (1Cr-18Ni9Ti) |
Temp. Range | RT+10°C ~ 200°C |
Options
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Exhaust Oil Mist Filter (recommended replacement every 6 months)



