Products

Precision environmental control, specified to the process and built as manufacturing equipment.

Vertical Drying Oven

Drying oven · Vertical Drying Oven （VDH series）250C

Vertical Drying Oven

EJ-VDH9140

Laboratory Drying Oven; Precision Drying Oven;

Specifications

Price varies based on configuration and order quantity. Contact us for a quote.

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Details

The English version is the reference for this documentation.

Specifications

Power Requirement: AC220V 50HZ/10A
Temperature Range: RT+10～250℃
Constant temperature fluctuation: ±1℃
Display Resolution: 0.1℃
Power Consumption: 1550W
Interior Dimension (W*D*H mm): 450*550*550
External Dimension (W*D*H mm): 640*710*905
Volume: 136L
Standard Shelves: 2pcs
Timing Range : 1～9999min

Description

1. Product description:

The product is an essential equipment for universities and colleges, biological, agricultural and scientific research departments to store bacteria, cultivate organism and so on. 

2. Features:

2.1 Standard large screen LCD display, multiple groups of data in one screen display, menu type operation interface, easy to understand, easy to operate.

2.2 Using fan speed control mode, can adjust the speed of wind speed according to different experiments.

2.3 Independently developed air duct circulation system, automatic discharge of water vapor inside the box, no manual adjustment trouble.

2.4 Adopt overtemperature deviation protection, microprocessor PID fuzzy processing controller, quickly reach the preset temperature stable operation.

2.5 The mirror stainless steel inner bladder, four corners of the semi-arc design, easy to clean, the spacing of the separator in the box is adjustable.

2.6 The sealing design of the new synthetic silicon sealing strip effectively prevents heat loss, and can prolong the energy saving of each component on the basis of 30% service life.

2.7 JAKEL tube flow circulating fan, unique design of air duct, to create a good air circulation convection, to ensure temperature uniformity.

2.8 PID control mode, temperature control precision fluctuation is small, with timing function, the maximum time set value of 9999 minutes.

3. Options  

Embedded printer -- easy for customers to print data.

Independent temperature limit alarm system -- when the temperature exceeds the limit, the heating source will be forcibly stopped to ensure the safety of your laboratory.

RS485 interface and special software -- connect computer, export experimental data.

Test hole 25mm/50mm -- can be used to test the actual temperature of the working room.

Intelligent program controller can set up 30 steps of programming procedures to meet various complex experiments.

Vertical Drying Oven （VDH series）250C

Series specifications

ModelEJ-VDH9070
EJ-PDH9070A		EJ-VDH9140
EJ-PDH9140A		EJ-VDH9240
EJ-PDH9240A		EJ-VDH9420
EJ-PDH9420A		EJ-VDH9620
EJ-PDH9620A		EJ-VDH9920
EJ-PDH9920A
Power RequirementAC220V 50HZ/10AAC220V 50HZ/16A
Temperature RangeRT+10～250℃/RT+10～300℃
Constant temperature fluctuation±1℃/±0.5℃
Display Resolution0.1℃
Power Consumption1100W1550W2050W3500W4000W6000W
Interior Dimension (W×D×H mm)400×425×445450×550×550450×390×450600×550×1300800×595×13001000×655×1520
External Dimension (W×D×H mm)545×580×800640×710×905680×800×1205750×720×1700885×720×8401140×840×1920
Volume80L136L225L420L620L1000L
Standard Shelves2pcs3pcs4pcs
Timing Range1～9999min

产品详细页面常见问题FAQ

1. Can products be customized?

Yes, all our dry cabinets and environmental chambers are fully customizable based on your technical specifications, capacity, materials (e.g., SUS304), and functional requirements (e.g., N₂ purge, heating, data logging).

 

2. What is the lead time?

• Standard models: 5–10 working days
• Customized configurations: 15–30 working days
Lead times may vary slightly based on order volume and component availability.

 

3. What trade terms do you support?

We offer flexible Incoterms® 2020 options to suit your logistics needs:

  • EXW (Ex-Works): You arrange pickup from our Hangzhou facility.
  • FOB (Free On Board): We deliver to the port of shipment; you handle ocean/air freight.
  • CIF (Cost, Insurance & Freight): We cover freight and insurance to your destination port. Import duties and local taxes are not included.
  • DAP (Delivered At Place): We deliver to your specified address. You handle import clearance, duties, VAT, and unloading.
  • DDP (Delivered Duty Paid): Available on request – we manage all costs including duties and taxes for door-to-door delivery.

Note: DDU is no longer used in Incoterms® 2020; DAP is the current standard.

 

4. How are shipping costs and taxes handled?

Shipping costs depend on product dimensions, weight, destination, and chosen transport method (sea, air, rail, or express). Import duties, VAT, GST, or other local taxes are typically the buyer’s responsibility unless DDP terms are selected. A detailed breakdown of all costs will be included in your official quotation.

 

5. What shipping methods are available?

  • Ocean freight (LCL/FCL)
  • Air cargo
  • Rail transport (e.g., China-Europe rail)
  • International express (DHL, FedEx, UPS, etc.)
  • Custom logistics solutions upon request
  •  

6. What payment methods do you accept?

  • Bank Transfer (T/T): 100% advance payment via SWIFT, FAST, MEPS, GIRO, or ACH
  • PayPal: For orders under USD 500, shipped via express only
  • Credit Card: Via secure payment gateway
  • Letter of Credit (L/C): Irrevocable L/C at sight, accepted for large orders

 

7. Do you have international export experience?

Yes. We regularly export to clients worldwide and are experienced in handling international documentation, customs compliance, and global logistics coordination for industrial equipment.

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About EJER

EJER Tech is a leading innovator in precision environmental control and laboratory solutions, headquartered in Hangzhou with a strong nationwide network. We are ISO 9001, CE, and RoHS certified, holding patents in Germany and the UK alongside trademarks in over 30 countries. Trusted by Fortune 500 companies, we serve critical industries including electronics, pharmaceuticals, and advanced manufacturing. Through our subsidiary HCER, we deliver reliable global solutions backed by advanced R&D and comprehensive support.

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Qualification

Management systems

  • ISO 9001
  • ISO 14001
  • ISO 45001

Market access

  • CE
  • RoHS
  • WEEE
  • C-Tick

Intellectual property

  • CN invention
  • CN utility
  • DE patent
  • UK patent

Enterprise honors

  • Zhejiang Science and Technology SME
  • Hangzhou High-Tech Enterprise
  • AAA Credit Enterprise

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Vertical Drying Oven · EJ-VDH9140

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