Vacuum Drying Oven | Labfirst Scientific

Vacuum Drying Oven

LAB1ST Vacuum Drying Ovens provide precise and reliable thermal processing under vacuum or inert gas conditions.

Designed for laboratories and industrial applications, these ovens support a wide range of uses, from gentle drying of heat-sensitive materials to high-temperature and high-vacuum processes in cleanroom environments.

With advanced temperature control, flexible configurations, and robust construction, LAB1ST ovens ensure uniform heating, oxidation-free drying, and enhanced process repeatability.

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Features

Premium Stainless Steel Construction: Crafted with mirror-polished 304/316 stainless steel chambers and precision argon arc welding technology, ensuring exceptional durability, superior corrosion resistance, and effortless cleaning for long-term reliability in demanding environments.

Precision Temperature Management: Features an advanced LCD controller specially calibrated for vacuum environments, delivering accurate and reliable thermal control for critical applications.

Robust Safety System: Incorporates independent over-temperature protection with a visual indicator, providing enhanced operational security and peace of mind.

Accurate Vacuum Monitoring: Offers both digital and mechanical vacuum gauge options for reliable, real-time vacuum level measurement and verification.

Smart Connectivity: Supports programmable control with (optional) RS485 interface, enabling remote monitoring and data logging capabilities on selected models.

All-in-One Integrated Design (VOS Series): Plug-and-play operation with built-in vacuum pump and desiccant tank for convenient management and immediate use.

Product Range

VO-E Series

Temperature Range: RT+15~200°C

Chamber Volume: 23L - 500L

Key Characteristics:

Uniform Chamber Heating with Removable Trays
Maximized Capacity for Enhanced Productivity
Oil-Filled Mechanical Vacuum Gauge
Standard KF25 Vacuum Port
With LED Interior Light
General drying, heating, and testing

VO-P Series

Temperature Range: RT+15~250°C

Chamber Volume: 23L - 1000L

Key Characteristics:

Independent Shelf Temperature Control
High Heating Efficiency with Lower Power Consumption
Standard KF25 Vacuum Port (KF40 for ≥1000L models)
Suitable for High-Throughput Applications

VOS200 Series

Temperature Range: RT+10~200°C

Chamber Volume: 33L - 910L

High Vacuum Design | 1.0×10⁻⁴ Pa

Key Characteristics:

Vacuum degree:10–10⁵ Pa (min. 133 Pa)
Chamber/Shelf Heating
Built-in Vacuum Pump and Desiccant Tank
For general drying, heating, and testing

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VOS200-HV Series

Temperature Range: RT+10~200°C

Chamber Volume: 64L, 91L

High Vacuum Design | 1.0×10⁻⁴ Pa

Key Characteristics:

Ultra-High Vacuum Capability
316 Stainless Steel Chamber
Chamber Heating System (Contamination-Free)
Built-in Vacuum Pump and Desiccant Tank
RS485 Communication Interface

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VOS250-HMDS Series

Temperature Range: RT+10~250°C

Chamber Volume: 64L, 91L

For HMDS / Semiconductor Electronics | 100Pa

Key Characteristics:

Semiconductor-Specific HMDS Process Automation
Programmable Control System
316 Stainless Steel Chamber
Built-in Low-Noise Professional Vacuum Pump and Desiccant Tank
RS485 Communication Interface

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VOS300/400 Series

Temperature Range: RT+20~300°C, /RT+50~400°C

Chamber Volume: 64L~215L

Key Characteristics:

High-Temperature Capability up to 300°C/400°C
Uniform Shelf Heating with Independent Control
Fully Integrated Plug-and-Play Design
Built-in Vacuum Pump and Desiccant Tank

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Specifications

Model	VOS200-60L-HV	VOS200-90L-HV
Environment Temp.	5 °C ~ 40 °C
Display Resolution	0.1°C
Temp. Fluctuation	±1 °C
Ultimate Vacuum	1.0×10⁻4 Pa
Vacuum Display	Electronic type
Chamber Material	316 Stainless Steel
Chamber Volume	64 L \| 2.26 cu ft	91 L \| 3.21 cu ft
Shelves	2 pcs	2 pcs
Heating Method	Chamber Heating	Chamber Heating
Inner Dimensions (WxDxH, mm)	400×400×400	450×450×450
Outer Dimensions (WxDxH, mm)	600×570×1390	610×590×1350
Power Input	3000 W	3500 W
Power Supply	AC220V 50Hz	AC220V 50Hz
Temp. Range	RT+10 °C ~ 200 °C

Model	VOS250-60L-HMDS	VOS250-90L-HMDS
Environment Temp.	+5 °C ~ 40 °C
Display Resolution	0.1°C
Temp. Fluctuation	±1 °C
Ultimate Vacuum	100 Pa
Vacuum Display	Electronic type
Chamber Material	316 Stainless Steel
Chamber Volume	64 L \| 2.26 cu ft	91 L \| 3.21 cu ft
Shelves	2 pcs	2 pcs
Heating Method	Chamber Heating	Chamber Heating
Inner Dimensions (WxDxH, mm)	400×400×400	450×450×450
Outer Dimensions (WxDxH, mm)	600×570×1390	610×590×1350
Power Input	3000 W	3500 W
Power Supply	AC220V 50Hz	AC220V 50Hz
Temp. Range	RT+10 °C ~ 250 °C

Model	VOS400-50L	VOS300-60L	VOS300-90L	VOS300-120L	VOS300-210L
Display Resolution	0.1°C
Temp. Fluctuation	±1 °C
Vacuum Level	133 Pa
Vacuum Gauge	Mechanical Pointer Type
Chamber Material	SUS304 Stainless Steel (1Cr-18Ni9Ti)
Chamber Volume	64 L \| 2.26 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
Shelves	2 pcs	2 pcs	2 pcs	3 pcs	3 pcs
Heating Method	Shelf Heating	Shelf Heating	Shelf Heating	Shelf Heating	Shelf Heating
Inner Dimensions (WxDxH, mm)	400×400×400	400×400×400	450×450×450	500×500×500	560×600×640
Outer Dimensions (WxDxH, mm)	600×570×1390	600×570×1390	610×590×1350	660×640×1400	720×820×1750
Power Input	3800 W	2300 W	2450 W	2600 W	2800 W
Power Supply	AC220V 50Hz	AC220V 50Hz	AC220V 50Hz	AC220V 50Hz	AC220V 50Hz
Temp. Range	RT+50 °C ~ 400 °C	RT+20 °C ~ 300 °C	RT+20 °C ~ 300 °C	RT+20 °C ~ 300 °C	RT+20 °C ~ 300 °C

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