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ATOMFAIR® Mid-Humidity (20%-60% RH) Dry Cabinets AF-DC320A 320L for cleanroom moisture-sensitive storage

320L Dry Cabinet 20%-60% RH Honeywell Sensor ATOMFAIR®

$1,400.00

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 mid-humidity dry cabinet with 20%-60% RH control, Honeywell ±3% RH sensor, LCD display, 3 shelves and 900 × 450 × 1010 mm body. Order now.

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

320L Mid-Humidity (20%-60% RH) Dry Cabinets

Dry storage cabinet, mid-humidity control

Product Overview

The Atomfair DC-Series AF-DC320A is a 320L dry cabinet configured for 20%-60% 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 balanced dry storage for materials that need controlled moisture protection without an ultra-dry environment. 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 research laboratories, electronics workshops, incoming-material storage, component staging areas, optical part storage, film and powder cabinets, technical archives and quality-control rooms that need stable humidity management.

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-DC320A Standard white powder-coated steel body 320L Mid-Humidity 20%-60% 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 20%-60% 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®

This cabinet must be transported upright and placed on a level surface to ensure proper sealing and dehumidification. The cabinet door should remain closed during normal operation to maintain the set humidity range of 20%-60% RH.

  • Transport Orientation: Transport the cabinet upright with reinforced outer protection and suitable lifting equipment to prevent damage to the internal dehumidification module.
  • Leveling: After installation, confirm level placement using a spirit level to ensure even door sealing and stable operation.
  • Door Sealing: Inspect the magnetic sealing gasket and lockable handle for proper closure before storing sensitive materials.
  • Power Stability: Connect the cabinet to a stable power supply and verify that the microcomputer control retains set-point memory after any power interruption.
  • Ambient Exposure: Minimize the duration the cabinet door remains open during loading or unloading to avoid humidity fluctuation.

These steps describe the initial setup and routine operation of the dry cabinet to maintain stable 20%-60% RH storage. Proper handling and configuration prevent damage to the cabinet and stored materials.

Required Equipment: Suitable lifting equipment

  1. Transport the cabinet
    Transport the cabinet upright using reinforced outer protection and suitable lifting equipment according to its volume.
  2. Place the cabinet on a level surface
    Set the cabinet on a stable, level floor and confirm level placement with a spirit level before proceeding.
  3. Connect to power supply
    Plug the cabinet into a stable power outlet and verify that the LCD display shows current humidity and temperature.
  4. Confirm door sealing and shelf loading
    Inspect the door gasket and lockable handle, then load materials onto the perforated adjustable shelves ensuring uniform air circulation.
  5. Set humidity and begin operation
    Set the desired humidity set-point on the microcomputer control, close the door securely, and allow the cabinet to automatically stabilize at the target RH.

What are the performance trade-offs of using a mid-humidity (20%-60% RH) dry cabinet compared to lower humidity grades for moisture-sensitive electronic components?

The AF-DC320A provides balanced dry storage at 20%-60% RH without ultra-dry conditions. Lower humidity grades (B:10%-20%, C:1%-10%, D:1%-3%) offer more aggressive moisture removal but may require additional options like nitrogen purge for extreme-low applications. The mid-humidity range prevents over-drying while protecting against moisture absorption and oxidation for materials that do not require ultra-low RH.

Can the Atomfair AF-DC320A dry cabinet be used in cleanroom environments without introducing particulate contamination?

Yes. The cabinet features automatic electronic dehumidification with no disposable desiccant consumables that could shed particles. Optional premium stainless-steel body is available for cleanrooms. The sealed construction with magnetic gaskets and tempered glass door minimizes contamination ingress. However standard powder-coated steel body may not meet all cleanroom class requirements; stainless-steel option is recommended for stricter hygiene standards.

What are the critical installation requirements for the Atomfair AF-DC320A dry cabinet to ensure proper humidity control?

The cabinet must be transported upright with reinforced outer protection. After installation confirm level placement door sealing shelf loading and stable power before storing sensitive materials. The microcomputer control retains set-point after power interruption but requires uninterrupted power for continuous operation. The cabinet should be kept closed during normal use to minimize ambient exposure.

This 320L mid-humidity dry cabinet provides reliable 20%-60% RH control using automatic electronic dehumidification and a Honeywell sensor, but is limited to mid-humidity applications and requires careful handling and installation.

Positive

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

Trade-offs

  • Mid-humidity range only: Humidity control is limited to 20%-60% RH; not suitable for ultra-low or extreme-low humidity applications without optional nitrogen purge or alarm systems, as noted in the handling requirements.
  • Handling and installation constraints: Cabinet must be transported upright with reinforced protection, and after installation requires confirmation of level placement, door sealing, shelf loading, and stable power before use.

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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