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ATOMFAIR® Ultra-Low-Humidity (1%-10% RH) Dry Cabinets AF-DC320C 320L for cleanroom moisture-sensitive storage

Ultra-Low-Humidity Dry Cabinet 320L AF-DC320C ATOMFAIR®

$1,510.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

320L ultra-low-humidity dry cabinet controls 1%-10% RH with Honeywell ±3% RH sensor, LCD display, 3 shelves and 900 × 450 × 1010 mm body. Order now.

SKU: AF-EI-E-DC00-USTD-320L
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Description

320L Ultra-Low-Humidity (1%-10% RH) Dry Cabinets

Dry storage cabinet, ultra-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC320C is a 320L dry cabinet configured for 1%-10% 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 ultra-low-humidity storage for MSDs, IC packages, optical devices and polymers that can degrade quickly after moisture exposure. 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 SMT and semiconductor component rooms, optoelectronic cleanrooms, precision optical workshops, research laboratories, industrial quality-control centers, polymer or film storage, and technical archives for moisture-sensitive assets.

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
1. Selected Model & Dimension Parameters
Model Cabinet Body Volume Humidity Grade Humidity Range Outer Size Inner Size Shelf Count
AF-DC320C Standard white powder-coated steel body 320L Ultra-Low-Humidity 1%-10% 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 1%-10% 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®

The cabinet maintains 1%-10% RH for moisture-sensitive materials including MSDs, IC packages, and optical devices. Minimize door openings and validate ultra-low humidity setpoints before formal use to prevent moisture damage.

  • Moisture Sensitivity: Stored materials such as MSDs and optical components can degrade from moisture absorption, oxidation, or micro-structural degradation.
  • Transport Requirement: The cabinet must be transported upright with reinforced outer protection and suitable lifting equipment.
  • Installation Requirement: Confirm level placement, door sealing, and shelf loading before storing sensitive materials.
  • Operation Constraint: Keep the cabinet door closed during normal use and minimize extended ambient exposure of stored materials.
  • Validation Requirement: For ultra-low or extreme-low humidity applications, validate the storage process before formal production use.

Transport the cabinet upright with reinforced protection to a stable, level installation site. After placement, confirm door sealing, shelf loading, and stable power before storing moisture-sensitive materials.

Required Equipment: Lifting equipment

  1. Transport the cabinet
    Transport the cabinet upright with reinforced outer protection using suitable lifting equipment.
  2. Install the cabinet
    Place the cabinet on a level surface and confirm its level placement and stability.
  3. Check door sealing
    Verify the door sealing gasket is intact and the magnetic closure and handle function properly.
  4. Prepare shelves
    Ensure adjustable shelves are securely installed and evenly loaded to maintain uniform air circulation.
  5. Connect power
    Connect the cabinet to a stable power supply and confirm the LCD display shows humidity, temperature, and operating status.
  6. Set humidity level
    Set the desired humidity setpoint via the microcomputer control and allow the cabinet to reach that level before storing materials.
  7. Store materials
    Place moisture-sensitive materials inside, keep the door closed, and minimize ambient exposure to maintain ultra-low humidity.

Should I use the standard electronic dehumidification or the optional nitrogen purge system on the Atomfair AF-DC320C to reach 1%–3% RH, and what are the key performance trade-offs?

For achieving 1%–3% RH (extreme-low humidity), the optional nitrogen purge system provides accelerated dehumidification and inert-atmosphere management, while the standard automatic electronic dehumidification can also reach the 1% RH boundary but may have slower recovery after door openings. The source notes that for ultra-low or extreme-low humidity applications, users should validate the storage process and consider nitrogen purge or alarm options when process risk is high. The electronic system requires no disposable desiccant consumables, whereas the nitrogen purge requires an external gas supply.

What are the requirements for integrating the AF-DC320C’s RS485 interface with a laboratory data logging system?

The optional RS485 PC logging interface enables real-time data logging, remote monitoring, and traceability of cabinet humidity and temperature status. The interface connects to a PC for data acquisition; specific cabling and software requirements depend on the user's monitoring system. The source confirms that the microcomputer outputs data via the RS485 port, allowing integration with standard building management or laboratory logging platforms.

What are the key handling and installation steps required to ensure the Atomfair AF-DC320C dry cabinet maintains its ultra-low humidity performance after delivery?

The cabinet must be transported with reinforced outer protection, kept upright, and moved with suitable lifting or handling equipment according to its 320 L volume. After installation, confirm level placement, door sealing, shelf loading, and stable power before storing sensitive materials. The source also emphasizes keeping the cabinet door closed during normal use and minimizing extended ambient exposure of stored materials to maintain the 1%–10% RH setpoint.

The AF-DC320C 320L dry cabinet delivers ultra-low-humidity storage down to 1% RH using automatic electronic dehumidification and a Honeywell sensor, suitable for moisture-sensitive components. Operational considerations include transport upright and process validation for critical low-humidity applications.

Positive

  • Consumable-free automatic dehumidification: The integrated electronic dehumidification module eliminates the need for disposable desiccants, reducing ongoing maintenance and operational costs while providing consistent low-humidity conditions.
  • High-accuracy Honeywell humidity sensing: The Honeywell sensor offers ±3% RH accuracy with only 0.3% annual drift, ensuring reliable long-term monitoring and control for sensitive storage environments.

Trade-offs

  • Requires process validation for ultra-low humidity: For ultra-low (1%-10% RH) or extreme-low (1%-3% RH) applications, the manufacturer recommends validating the storage process before formal production use to ensure compatibility with material requirements.
  • Stringent transport and installation requirements: The cabinet must be transported upright with reinforced protection and installed on a level surface after confirming door sealing and power stability, necessitating careful handling procedures.

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.

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

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