Dry Cabinet 320L Low-Humidity 10%-20% RH White ATOMFAIR®

Description

320L Low-Humidity (10%-20% RH) Dry Cabinets

Dry storage cabinet, low-humidity control

Product Overview

The Atomfair DC-Series AF-DC320B is a 320L dry cabinet configured for 10%-20% RH relative humidity control, with a standard white cabinet body, outer dimensions of 900 x 450 x 1010 mm, inner dimensions of 855 x 420 x 840 mm, and 3 adjustable shelves.

This model provides low-humidity storage for moisture-sensitive components that require stronger ambient humidity protection. It is used to prevent moisture absorption, oxidation, micro-structural degradation, optical haze, solderability loss and other humidity-related damage during storage, inspection, production staging or long-term preservation.

Application scenarios include electronics manufacturing lines, SMT component rooms, laboratory sample storage, precision instrument storage, optical workshops, film and powder storage, and industrial quality-control areas requiring lower humidity protection.

The cabinet integrates automatic electronic dehumidification, high-precision Honeywell temperature and humidity sensing, a digital LCD display for humidity, temperature, operating status and fault information, set-point memory after power interruption, tempered-glass viewing doors, reinforced adjustable shelves and sealed cabinet construction for repeatable daily operation.

Specifications

Model	Cabinet Body	Volume	Humidity Grade	Humidity Range	Outer Size	Inner Size	Shelf Count
1. Selected Model & Dimension Parameters
AF-DC320B	Standard white powder-coated steel body	320L	Low-Humidity	10%-20% RH	900 x 450 x 1010 mm	855 x 420 x 840 mm	3
2. Technical Specifications
Parameter		Details
Cabinet Body		Standard white powder-coated steel body
Humidity Control Range		10%-20% RH
Temperature Display Range		0-99°C
Humidity Display Range		0%-99% RH
Sensor		Honeywell temperature and humidity sensor, ±3% RH accuracy and 0.3% annual drift
Display		High-definition LCD display for humidity, temperature, operation status and fault codes
Dehumidification System		Automatic electronic dehumidification module with no disposable desiccant consumables
Control Mode		Microcomputer automatic control with set-point memory after power interruption
Structure		1.2 mm galvanized steel cabinet, 5 mm tempered glass viewing door, magnetic sealing gasket and lockable handle

Key Features and Advantages

Selectable humidity grades are split into individual models: A mid-humidity 20%-60% RH, B low-humidity 10%-20% RH, C ultra-low-humidity 1%-10% RH and D extreme-low-humidity 1%-3% RH, allowing the cabinet to match the actual sensitivity of stored materials.
High-precision sensing uses a Honeywell temperature and humidity sensor with ±3% RH accuracy and low annual drift for reliable long-term measurement.
Efficient automatic dehumidification removes moisture rapidly, requires no disposable desiccant consumables and supports continuous operation with minimal maintenance.
Intelligent microcomputer control retains set parameters after power loss and shows real-time humidity, temperature, operating status and fault codes on the LCD display.
Robust sealed construction uses a galvanized steel cabinet body, tempered safety glass, double-frame sealing, magnetic gaskets and a lockable handle for stable dry storage.
Perforated adjustable shelves support uniform air circulation and make it easier to store components, instruments and samples of different sizes.

Optional Accessories

ESD-Safe Anti-Static Coating: Provides electrostatic protection for ESD-controlled production and storage areas, compliant with IEC 61340-5 handling requirements.
Internal LED Illumination: Moisture-resistant interior lighting improves visibility when checking stored parts, labels and shelf positions.
Premium Stainless-Steel Body: High-grade structural body option for cleanrooms, corrosive environments or facilities with stricter hygiene requirements.
Nitrogen Purge System: Fast-purge gas valve configuration supports accelerated dehumidification and inert-atmosphere management.
RS485 PC Logging Interface: Enables real-time data logging, remote monitoring and traceability of cabinet humidity and temperature status.
Over-Humidity Alarm System: Microcomputer alarm function is triggered when the internal humidity exceeds the configured set point.

For tailored configurations or formal technical quotations regarding these options, please contact our engineering team.

APPLICATION SCOPE: Engineered for research laboratories, cleanroom environments, semiconductor assembly lines, SMT component rooms, optical workshops and high-tech industrial quality-control centers managing moisture-sensitive electronic, optical, chemical and archival assets.

HANDLING REQUIREMENT: The cabinet should be transported with reinforced outer protection, kept upright, and moved with suitable lifting or handling equipment according to its volume. After installation, confirm level placement, door sealing, shelf loading and stable power before storing sensitive materials.

IMPORTANT NOTICE: Confirm the exact capacity, humidity grade, cabinet body type and optional accessories before ordering. Keep the cabinet door closed during normal use and minimize extended ambient exposure of sensitive materials. For ultra-low or extreme-low humidity applications, validate the storage process before formal production use and consider nitrogen purge or alarm options when process risk is high.

CONTROLLED DRY STORAGE SOLUTIONS

For volume selection, humidity grade confirmation or optional configuration, contact our engineering sales team.

EMAIL: inquiry@atomfair.com

Supplier: Atomfair

Brand: ATOMFAIR®

Constraints

The cabinet requires stable power, level placement, and sealed door closure to maintain the 10%-20% RH set point. Extended door openings or improper installation can compromise humidity control and risk moisture damage to stored components.

Stable Power Requirement: The microcomputer control retains set parameters after power interruption, but a stable power supply is necessary for continuous dehumidification operation.
Transport and Placement: Transport the cabinet upright with reinforced outer protection and place it on a level surface to ensure proper door sealing and magnetic gasket contact.
Door Closure Discipline: Keep the cabinet door closed during normal use and minimize extended ambient exposure of stored moisture-sensitive materials to prevent humidity recovery.
High-Sensitivity Storage Validation: For ultra-low or extreme-low humidity applications, validate the storage process before formal production use and consider nitrogen purge or over-humidity alarm options.
Shelf Loading and Air Circulation: Perforated adjustable shelves support uniform air circulation; distribute load evenly and do not block airflow within the cabinet.

HowTo

Initial setup involves positioning the cabinet on a level surface, connecting to power, and configuring the humidity set point. Proper operation requires minimizing door openings and monitoring the LCD display for fault codes.

Required Equipment: Atomfair DC-Series AF-DC320B Dry Cabinet

Inspect the cabinet
Inspect the cabinet for any transport damage and confirm all components are present.
Position the cabinet
Position the cabinet on a level, stable surface and verify that the door seals evenly against the magnetic gasket.
Connect to power
Connect the cabinet to a stable power outlet and allow the electronic dehumidification module to initialize.
Set the humidity set point
Set the desired humidity set point via the microcomputer control; the LCD display will show the current reading.
Stabilize the cabinet
Close the door and allow the cabinet to stabilize at the set humidity level before introducing moisture-sensitive materials.
Monitor the display
Monitor the LCD display regularly for humidity, temperature, and any fault codes to ensure proper operation.
Minimize door openings
Minimize door openings during storage and quickly reseal the door to prevent humidity recovery.

FAQ

How does the Honeywell sensor's ±3% RH accuracy and 0.3% annual drift affect long-term humidity control stability in a 10-20% RH cabinet?

The Honeywell temperature and humidity sensor provides ±3% RH accuracy with an annual drift of only 0.3%, ensuring reliable and stable measurement over years of operation. This low drift minimizes the need for recalibration and supports consistent humidity control within the 10%-20% RH range, critical for protecting moisture-sensitive components.

Can the AF-DC320B be integrated with a nitrogen purge system for ultra-low humidity applications?

Yes, an optional nitrogen purge system is available for the AF-DC320B, providing a fast-purge gas valve configuration that supports accelerated dehumidification and inert-atmosphere management. This integration allows the cabinet to achieve lower humidity levels or faster recovery after door openings, making it suitable for ultra-low or extreme-low humidity processes.

What are the critical installation requirements for the 320L dry cabinet to ensure proper humidity control?

The cabinet must be transported upright with reinforced outer protection and moved using suitable lifting equipment due to its volume. After installation, confirm level placement, door sealing with magnetic gaskets, shelf loading limits, and stable power before storing sensitive materials. The door should remain closed during normal use to maintain the 10%-20% RH set point.

Assessment

The Atomfair AF-DC320B 320L dry cabinet provides low-humidity storage at 10%-20% RH using automatic electronic dehumidification and a Honeywell sensor, suitable for moisture-sensitive components in labs and production. Its sealed construction and adjustable shelves support uniform air circulation, but the fixed humidity range may require alternative models or nitrogen purge for ultra-low humidity needs.

Positive

Consumable-free dehumidification: Automatic electronic dehumidification module eliminates the need for disposable desiccant consumables, reducing ongoing maintenance and operational costs.
High-accuracy Honeywell sensor: Honeywell temperature and humidity sensor provides ±3% RH accuracy with 0.3% annual drift, ensuring reliable long-term measurement for process control.

Trade-offs

Fixed low-humidity range: This model is configured for 10%-20% RH only; applications requiring ultra-low (<10% RH) or extreme-low (<3% RH) humidity must select a different model or add an optional nitrogen purge system.
Handling and installation constraints: The 320L cabinet must be transported upright with reinforced protection and requires level placement after installation; its volume necessitates suitable lifting equipment for safe handling.

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).