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DZF Series Fully Automatic Vacuum Drying Oven (Vertical Type)

Vacuum drying ovens are widely used in research fields such as biochemistry, chemical and pharmaceutical industries, healthcare, agricultural science, and environmental protection. They are employed for powder drying, baking, disinfection, and sterilization, and can be purged with inert gases. They are particularly well suited for the rapid and efficient drying of heat‑sensitive, easily decomposable, readily oxidizable, and complex‑composition materials.

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Environmental Testing Equipment

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lbt@lbt.ltd

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DZF Series Fully Automatic Vacuum Drying Oven (Vertical Type)

Description

Product Introduction:

Vacuum drying ovens are widely used in research fields such as biochemistry, chemical engineering and pharmaceuticals, healthcare, agricultural science, and environmental protection. They are employed for powder drying, baking, disinfection, and sterilization, and can be purged with inert gases. They are particularly well suited for the rapid and efficient drying of heat‑sensitive, easily decomposable, readily oxidizable, and complex‑composition materials.

Product Features:

1. The vacuum environment significantly lowers the boiling point of liquids that need to be removed, allowing vacuum drying ovens to be readily used for heat-sensitive materials.

2. For samples that are difficult to dry, such as powders or other granular materials, vacuum drying can effectively reduce the drying time.

3. Various mechanically complex components and other porous samples, after cleaning, are subjected to vacuum drying; upon complete drying, no residual contaminants remain.

4. Enhanced safety: under vacuum or inert conditions, the risk of thermal shock‑induced cracking due to oxide formation is completely eliminated.

5. Compared with conventional drying ovens that rely on air circulation, powdered samples are not blown or displaced by the flowing air.

6. Equipped with a built-in storage cabinet and an integrated vacuum pump. The vacuum pump automatically stops when the set pressure is reached and automatically restarts when the pressure drops below the set level (automatic restart requires an optional upgrade).

7. Maximum number of partitions: 5, with 2 included as standard.

Technical Specifications:

Model number	DZF-6020A DZF-6020AB	DZF-6050A DZF-6050AB	DZF-6090A DZF-6090AB	DZF-6210A DZF-6210AB
Volume	20L	50L	90L	210L
Power (kW)	0.3	1.4	2	3
Temperature range	RT+10-200℃ RT+10–250°C (optional 250°C)
Temperature resolution	1℃
Temperature fluctuation degree	±1℃
Vacuum level	≤133Pa
Cycling mode	Natural thermal conduction
Scheduled	0–999 min (hours can be switched)
Display	Dual-digit seven-segment display
Studio material	A is a powder-coated inner liner; AB is a stainless steel inner liner.
Heater	Stainless steel heating tube
Alarm Type	Audio-visual alarm
Vacuuming method	Manual (optional automatic)
Multi-segment programming	Optional equipment
Temperature sensor	PT100			Type K
Inner liner dimensions (mm)	300×300×275	370×415×345	450×450×450	600×550×650
External dimensions (mm)	460×485×1095	530×600×1265	667×672×1478	755×770×1680
Net weight/Gross weight (kg)	70/73	90/94	165/175	220/230
Power supply	220V/50Hz
Operating ambient temperature	5-50℃
Note : Comes with a built-in locker and an integrated vacuum pump.

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

Which materials can be measured by your Vicat softening point tester?

It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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DZF Series Fully Automatic Vacuum Drying Oven (Vertical Type)

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