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ATOMFAIR® Extreme-Low-Humidity (1%-3% RH) Dry Cabinets AF-DC730D 730L for cleanroom moisture-sensitive storage

730L 1%-3% RH Extreme-Low-Humidity Dry Cabinet ATOMFAIR®

$2,230.00

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.

AF-DC730D 730L extreme-low-humidity dry cabinet controls 1%-3% RH, with 600×690×1830 mm body, Honeywell sensing, 5 shelves and LCD status display. Order now.

SKU: AF-EI-E-DC00-ESTD-730L
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Description

730L Extreme-Low-Humidity (1%-3% RH) Dry Cabinets

Dry storage cabinet, extreme-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC730D is a 730L dry cabinet configured for 1%-3% RH relative humidity control, with a standard white cabinet body, outer dimensions of 600 x 690 x 1830 mm, inner dimensions of 555 x 640 x 1660 mm, and 5 adjustable shelves.

This model provides extreme-low-humidity storage for highly moisture-sensitive components and process materials that require the strictest dry-storage conditions in this series. 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 high-sensitivity electronics storage, semiconductor and optoelectronic cleanrooms, advanced research laboratories, precision optical storage, process-material staging areas, and dry-room support where the lowest humidity grade in this cabinet series is required.

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-DC730D Standard white powder-coated steel body 730L Extreme-Low-Humidity 1%-3% RH 600 x 690 x 1830 mm 555 x 640 x 1660 mm 5
2. Technical Specifications
Parameter Details
Cabinet Body Standard white powder-coated steel body
Humidity Control Range 1%-3% 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 requires upright transport, level placement, and stable power for proper operation. Door sealing and shelf loading must be confirmed before storing moisture-sensitive materials.

  • Transport Orientation: The cabinet must be transported upright with reinforced outer protection to prevent damage.
  • Installation Surface: The cabinet must be placed on a level surface and confirmed level before use.
  • Power Requirement: The cabinet must be connected to a stable power source to maintain humidity control.
  • Door Sealing: The door sealing and magnetic gasket integrity must be verified before loading materials.
  • Process Validation: For extreme-low humidity applications, the storage process must be validated before formal production use.

This guide provides steps for installing and operating the dry cabinet to ensure proper humidity control. Follow these steps to safely store moisture-sensitive materials.

Required Equipment: Suitable lifting equipment

  1. Transport
    Transport the cabinet upright with reinforced outer protection using suitable lifting equipment.
  2. Place
    Place the cabinet on a level surface and confirm level placement.
  3. Connect
    Connect the cabinet to a stable power source.
  4. Verify
    Verify door sealing and shelf loading before storing materials.
  5. Load
    Load moisture-sensitive materials onto the adjustable shelves.
  6. Close
    Close the cabinet door and keep it closed during normal operation.
  7. Validate
    Validate the storage process for extreme-low humidity applications before formal production use.

What are the performance trade-offs between the automatic electronic dehumidification and the optional nitrogen purge system for maintaining 1-3% RH in a 730L dry cabinet?

The automatic electronic dehumidification module achieves 1-3% RH without requiring disposable desiccant consumables, offering continuous low-maintenance operation. However, for applications needing faster recovery from door openings or more stable inert-atmosphere conditions, the optional nitrogen purge system provides accelerated dehumidification and inert-gas management, as indicated in the optional accessories. The trade-off is between consumable-free operation and the added cost and infrastructure of nitrogen supply.

Can the Atomfair AF-DC730D dry cabinet be integrated into a cleanroom's environmental monitoring system for real-time data logging?

Yes, the cabinet can be integrated via the optional RS485 PC logging interface, which enables real-time data logging, remote monitoring, and traceability of cabinet humidity and temperature status. The integrated Honeywell sensor provides ±3% RH accuracy with 0.3% annual drift, supporting reliable long-term measurement. This makes the cabinet suitable for cleanroom environments and semiconductor assembly lines where continuous monitoring is required.

What are the critical handling and installation requirements for a 730L extreme-low-humidity dry cabinet to ensure proper performance?

The cabinet must be transported with reinforced outer protection, kept upright, and moved with suitable lifting or handling equipment due to its volume. After installation, confirm level placement, door sealing, shelf loading, and stable power before storing sensitive materials. Proper leveling and sealing are essential to maintain the 1-3% RH range and prevent moisture ingress.

The Atomfair AF-DC730D 730L extreme-low-humidity dry cabinet provides 1%-3% RH control with a Honeywell sensor and automatic dehumidification, suitable for highly moisture-sensitive electronics and optics, but requires careful installation and process validation for critical applications.

Positive

  • High-precision Honeywell sensor with low drift: Honeywell temperature and humidity sensor with ±3% RH accuracy and 0.3% annual drift ensures reliable long-term measurement for critical dry storage.
  • Automatic electronic dehumidification without consumables: The integrated dehumidification module removes moisture rapidly and requires no disposable desiccant, reducing ongoing maintenance costs.

Trade-offs

  • Transport and installation constraints: The 730L cabinet (600 x 690 x 1830 mm) requires reinforced outer protection, upright transport, and level placement after installation to ensure proper sealing and operation.
  • Process validation needed for extreme-low humidity: For 1%-3% RH applications, Atomfair recommends validating the storage process before formal production use and considering optional nitrogen purge or over-humidity alarm for high-risk materials.

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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