420L `Vertical Electric Forced-Air Drying Oven`

Research-grade laboratory product

Product Overview

This 420 L vertical electric forced-air drying oven is designed for laboratories, research rooms, university facilities and pilot environments that need stable heated-air drying in a compact and practical format. The unit combines a metal cabinet structure, a viewing window, a metal inner chamber and 3 removable shelves, creating an enclosed working space for routine thermal processing and daily laboratory use.

It can be used for drying glassware, heating and conditioning samples, baking materials, carrying out pre-treatment steps and supporting constant-temperature observation during general laboratory work. The forced-air drying design helps improve temperature distribution inside the chamber, making the oven suitable for tasks that require controlled hot-air circulation, repeatable heating conditions and reliable batch handling within the stated chamber volume.

The chamber size is 600(W) x 550(D) x 1300(H) mm, while the outer size is 740(W) x 730(D) x 1670(H) mm. The oven provides a temperature range from RT +10 C to 250 C, 0.1 C resolution, temperature stability of <=0.5 C, temperature uniformity of <=2.0%, and a timing range of 1 to 9999 min. The listed rated power is 4000 W, and the supply voltage can be adjusted according to specific requirements for the intended installation environment.

Technical Specifications

Parameter	Specification / Available Values
Capacity	420 L
Product Type	vertical electric forced-air drying oven
Structure Material	Metal cabinet structure with viewing window, metal inner chamber and removable shelves
Inner Chamber Size	600(W) x 550(D) x 1300(H) mm
Outer Dimensions	740(W) x 730(D) x 1670(H) mm
Temperature Range	RT +10 C to 250 C
Temperature Stability	<=0.5 C
Temperature Uniformity	<=2.0%
Resolution	0.1 C
Ambient Temperature	5 to 40 C
Timing Range	1 to 9999 min
Power Supply Voltage	Standard listed configuration 380 V, adjustable according to specific requirements
Rated Power	4000 W
Shelf Quantity	3
Gross Weight	180 kg
Typical Use	Drying, baking, heat treatment, sample conditioning and constant-temperature testing

Performance Features

420 L chamber capacity supports routine laboratory drying, heating and batch sample handling.
Temperature range from RT +10 C to 250 C supports drying, baking, preheating and general constant-temperature processing.
0.1 C resolution helps users set and monitor heating conditions with fine temperature control.
Temperature stability of <=0.5 C supports repeatable operation during routine drying and thermal treatment tasks.
Temperature uniformity of <=2.0% helps maintain more consistent heated-air conditions throughout the chamber space.
Forced-air drying structure improves hot-air circulation inside the chamber for more effective heat distribution.
3 removable shelves allow flexible placement of glassware, containers, instruments and test samples.
Viewing window allows users to observe the chamber condition without frequent door opening.
Timing range of 1 to 9999 min supports scheduled heating cycles for daily laboratory workflows.
Supply voltage can be adjusted according to actual installation and regional power requirements.

Optional Accessories and Extended Configuration

Programmable temperature controller with up to 99 segments x 99 program groups.
Optional side test port for process-related access.
Optional multi-point temperature recorder.
Optional printer.
Optional RS485 communication interface for printer or PC connection and temperature monitoring.
Optional accessories and other vertical drying oven specifications can be confirmed by e-mail consultation.

APPLICATION SCOPE: Suitable for laboratory drying, glassware drying, sample heating, material conditioning, baking, heat treatment, pre-test preparation and other controlled hot-air processes in research institutes, universities, industrial laboratories and pilot-scale work areas.

PACKAGING: The oven is delivered with protective inner materials, reinforced outer packaging and wooden crate reinforcement to improve transport protection during handling and long-distance shipment.

IMPORTANT NOTICE: Please confirm the required chamber capacity, installation size, power supply voltage, optional accessories and destination before quotation. Product pricing does not include freight, shipping cost needs to be quoted separately, and optional accessories or other specifications can be confirmed by e-mail consultation.

LABORATORY PROCUREMENT SUPPORT

For capacity selection, accessory matching, voltage confirmation or other specification review, contact our technical sales team.

E-MAIL: inquiry@atomfair.com

Supplier: Atomfair

Brand: ATOMFAIR®

The oven must be operated within an ambient temperature range of 5 to 40°C to ensure stable performance and component longevity. The supply voltage must be configured to match the installation environment to prevent electrical hazards.

Ambient Temperature Constraint: Operate the oven only in ambient temperatures between 5°C and 40°C to avoid overheating or inadequate cooling.
Voltage Matching Requirement: Verify that the power supply voltage matches the oven's rated voltage before connecting to the mains.
Weight and Surface Rating: Ensure the installation surface can support the gross weight of 180 kg to prevent tipping or structural damage.

HowTo

Follow these steps to initialize and operate the oven safely for routine drying and heating tasks. Proper handling prevents electrical shock, burns, and equipment damage.

Power Supply Verification
Verify the power supply voltage matches the oven's rated voltage before connecting the unit.
Placement and Ventilation
Place the oven on a stable surface with adequate clearance for ventilation around the cabinet.
Temperature and Timer Setting
Set the desired temperature and timer using the control panel, ensuring the setpoint does not exceed the maximum rated temperature of 250°C.
Preheating with Forced Air
Allow the oven to preheat with forced-air circulation until the chamber temperature stabilizes and the setpoint is reached.
Sample Loading
Load samples onto the removable shelves, avoiding overloading or blocking the airflow paths.
Process Monitoring
Monitor the process through the viewing window and avoid opening the door unnecessarily to maintain temperature uniformity.

FAQ

Does the 420 L vertical electric blast drying oven maintain ≤0.5°C stability across the entire 600 x 550 x 1300 mm chamber at 250°C?

Yes, the oven specifies temperature stability of ≤0.5°C and temperature uniformity of ≤2.0% across the 420 L working volume (600 x 550 x 1300 mm). This means at a set point of 250°C, the maximum spatial variation is ≤5°C, while temporal fluctuation at any single point remains within half a degree. The forced-air circulation design is critical to achieving this uniformity, especially at the upper end of the RT +10°C to 250°C range, where thermal loads are highest.

What are the power supply and installation constraints for the 380 V 4000 W model?

The standard configuration requires a 380 V supply line capable of delivering 4000 W continuous load. The unit draws this rated power during steady-state operation at maximum temperature. The supply voltage is adjustable according to specific regional requirements—this may involve a transformer or rewiring for countries using 220–240 V three-phase or 400 V three-phase systems. Ambient operating temperature must remain between 5°C and 40°C. The outer footprint is 740 x 730 x 1670 mm, and gross weight is 180 kg, so floor loading and benchtop clearance must be verified before installation.

How does the forced-air drying design affect sample placement and temperature uniformity in this 420 L vertical oven?

The vertical blast design uses forced hot-air circulation to reduce thermal stratification common in gravity-convection ovens. The 3 removable shelves (600 x 550 mm each) should be spaced to avoid blocking airflow paths; the manufacturer does not specify maximum shelf loading, but the ≤2.0% uniformity specification depends on unobstructed air movement. Shelves are removable for cleaning or reconfiguration. The viewing window allows visual inspection without opening the door, which helps preserve stable thermal conditions during extended runs up to 9999 minutes.

Assessment

The 420L vertical electric blast drying oven delivers forced-air circulation with temperature stability of ≤0.5°C and uniformity of ≤2.0%, suitable for routine drying, baking, and heat treatment in laboratory environments, though its 4000W power draw and 180 kg weight require careful facility planning.

Positive

Forced-Air Circulation for Uniform Heat: The forced-air drying design improves hot-air distribution, helping maintain temperature uniformity of ≤2.0% across the 420L chamber.
Fine Temperature Control and Stability: With 0.1°C resolution and ≤0.5°C stability, the oven supports repeatable thermal processing for routine drying and heat treatment applications.

Trade-offs

High Power and Weight Requirements: The 4000 W rated power and 180 kg gross weight require dedicated electrical infrastructure and floor loading assessment, making installation less flexible than smaller benchtop ovens.
Limited Ambient Temperature Range: The oven operates reliably only in ambient conditions of 5–40°C, and the usable temperature range starts at RT+10°C, precluding sub-ambient or near-ambient tasks.

Quality Standards & Performance Verification

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Shipping & Returns

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).