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ATOMFAIR® Extreme-Low-Humidity (1%-3% RH) Dry Cabinets AF-DC870D 875L for cleanroom moisture-sensitive storage

Dry Storage Cabinet 875L 1%-3% RH AF-DC875D ATOMFAIR®

$2,410.00

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.

875L dry storage cabinet with 1%-3% RH control, Honeywell ±3% RH sensor, 900 × 600 × 1850 mm body and 5 shelves for sensitive materials. Order now.

SKU: AF-EI-E-DC00-ESTD-875L
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Description

875L Extreme-Low-Humidity (1%-3% RH) Dry Cabinets

Dry storage cabinet, extreme-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC875D is a 875L dry cabinet configured for 1%-3% RH relative humidity control, with a standard white cabinet body, outer dimensions of 900 x 600 x 1850 mm, inner dimensions of 855 x 550 x 1670 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-DC875D Standard white powder-coated steel body 875L Extreme-Low-Humidity 1%-3% RH 900 x 600 x 1850 mm 855 x 550 x 1670 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 stable level placement, sealed door closure, and continuous power for reliable low-humidity operation. The Honeywell sensor exhibits ±3% RH accuracy with 0.3% annual drift, requiring periodic validation of humidity readings.

  • Power and Environmental Requirements: Connect the cabinet to a stable power source and operate within a controlled ambient temperature range to maintain set-point humidity.
  • Door Sealing and Loading: Keep the door closed during normal use and minimize extended ambient exposure to prevent moisture ingress.
  • Humidity Validation: For ultra-low or extreme-low humidity applications, validate the storage process before formal production use.
  • Optional Accessory Integration: Consider nitrogen purge or over-humidity alarm options when process risk is high to enhance reliability.
  • Transport and Installation: Transport the cabinet upright with reinforced outer protection and confirm level placement after installation.

Follow these steps to install and operate the cabinet for controlled low-humidity storage. Ensure all actions are performed in a clean, dry environment to maintain optimal performance.

Required Equipment: Lifting equipment, Spirit level, Power supply

  1. Transport the cabinet
    Transport the cabinet upright using suitable lifting equipment to prevent structural damage.
  2. Level the cabinet
    Position the cabinet on a level surface and verify level placement with a spirit level.
  3. Inspect door sealing
    Confirm door sealing integrity by inspecting the magnetic gasket and adjusting hinges if necessary.
  4. Load shelves evenly
    Distribute shelf loads evenly across the adjustable shelves to maintain cabinet stability.
  5. Connect power
    Connect the cabinet to a stable power source and verify the LCD display is active.
  6. Set humidity set point
    Set the desired humidity set point using the microcomputer control interface.
  7. Stabilize before storage
    Allow the cabinet to stabilize to the target humidity range before storing sensitive materials.

How does the Honeywell sensor's ±3% RH accuracy and 0.3% annual drift affect long-term humidity stability in the 1%-3% RH range?

The Honeywell sensor provides ±3% RH accuracy, which is significant relative to the 1%-3% RH setpoint; however, the low 0.3% annual drift ensures measurement stability over extended periods. The microcomputer control retains set-points after power interruption and the automatic electronic dehumidification maintains the target range without desiccant replacement. For extreme-low-humidity applications, periodic calibration verification is recommended to ensure the sensor's accuracy remains within tolerance.

Can the AF-DC875D be integrated with an existing nitrogen purge system for inert atmosphere storage, and what are the prerequisites?

Yes, the cabinet supports an optional nitrogen purge system with a fast-purge gas valve configuration for accelerated dehumidification and inert-atmosphere management. This accessory must be specified at the time of order, as confirmed by the product notice to verify optional configurations before ordering. The cabinet's sealed construction with magnetic gaskets and tempered glass doors is designed to maintain the inert environment once purged.

What are the critical handling and installation requirements to maintain the 1%-3% RH environment after transport?

The cabinet must be transported with reinforced outer protection, kept upright, and moved with suitable lifting equipment due to its 875L volume and 900x600x1850 mm outer dimensions. After installation, confirm level placement, door sealing, shelf loading, and stable power before storing sensitive materials. The cabinet's sealed construction and magnetic gaskets are essential for maintaining the extreme-low-humidity condition, and the door should be kept closed during normal use to minimize ambient exposure.

The 875L extreme-low-humidity dry cabinet (AF-DC875D) provides 1-3% RH storage with automatic electronic dehumidification and Honeywell sensing, but requires careful handling during installation and process validation for critical low-humidity applications.

Positive

  • High-precision Honeywell sensor: Honeywell temperature/humidity sensor delivers ±3% RH accuracy with only 0.3% annual drift, ensuring reliable long-term measurement for extreme-low-humidity storage.
  • No desiccant consumables required: Automatic electronic dehumidification eliminates disposable desiccant replacement, reducing ongoing maintenance and operational costs.

Trade-offs

  • Requires careful transport and leveling: The 875L cabinet must be transported upright with reinforced protection and moved using suitable lifting equipment; improper handling may damage the sealed construction.
  • Process validation needed for extreme-low RH: For 1-3% RH applications, the manufacturer recommends validating the storage process before formal production use and considering nitrogen purge or alarm options when process risk is high.

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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