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ATOMFAIR® Extreme-Low-Humidity (1%-3% RH) Dry Cabinets AF-DC98D 98L for cleanroom moisture-sensitive storage

98L Extreme-Low-Humidity Dry Cabinet AF-DC98D ATOMFAIR®

$980.00

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.

98L extreme-low-humidity dry cabinet with 1%-3% RH control, Honeywell ±3% RH sensing, 448 × 400 × 688 mm body and 3 adjustable shelves. Order now.

SKU: AF-EI-E-DC00-ESTD-098L
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Description

98L Extreme-Low-Humidity (1%-3% RH) Dry Cabinets

Dry storage cabinet, extreme-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC98D is a 98L dry cabinet configured for 1%-3% RH relative humidity control, with a standard white cabinet body, outer dimensions of 448 x 400 x 688 mm, inner dimensions of 446 x 372 x 598 mm, and 3 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-DC98D Standard white powder-coated steel body 98L Extreme-Low-Humidity 1%-3% RH 448 x 400 x 688 mm 446 x 372 x 598 mm 3
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 dry cabinet requires stable power and level placement to maintain 1%–3% RH. The door must remain sealed during normal operation to prevent moisture ingress and minimize sensor drift exposure.

  • Transport and Placement: Transport the cabinet upright with reinforced outer protection and confirm level placement before use.
  • Door and Seal Integrity: Keep the cabinet door closed during normal use and minimize extended ambient exposure of stored materials.
  • Power and Stabilization: Connect to a stable power source with set-point memory after power interruption and allow the cabinet to stabilize before storing sensitive materials.
  • Load and Shelf Limits: Do not exceed the rated shelf load and ensure perforated shelves allow uniform air circulation.
  • Sensor and Alarm Validation: Validate the storage process before formal production use, and consider nitrogen purge or alarm options when process risk is high.

Position the cabinet on a level surface in a clean, dry area. After installation, confirm level placement, door sealing, shelf loading, and stable power before storing sensitive materials.

Required Equipment: Leveling gauge, Stable AC power source

  1. Position the cabinet
    Place the cabinet on a level, vibration-free surface in a clean, dry area with adequate ventilation.
  2. Connect power
    Plug the cabinet into a stable AC power source and verify the LCD display activates and shows current humidity and temperature.
  3. Stabilize humidity
    Allow the cabinet to run for at least 24 hours to reach the target 1%–3% RH range before storing any moisture-sensitive materials.
  4. Load shelves evenly
    Distribute materials evenly on the perforated shelves to maintain uniform airflow and avoid overloading beyond the rated capacity.
  5. Confirm door seal
    Close the tempered-glass door fully and verify the magnetic sealing gasket creates a tight seal with no gaps.
  6. Validate storage conditions
    Monitor the LCD display for 24 hours after loading to confirm the humidity remains within the 1%–3% RH set point before routine use.

Given that the Atomfair AF-DC98D cabinet targets a 1-3% RH range, how does the Honeywell sensor's ±3% RH accuracy and 0.3% annual drift affect the reliability of maintaining that extreme-low-humidity level over time?

The Honeywell sensor's ±3% RH accuracy means the displayed humidity could deviate up to ±3% from actual, which at the 1-3% set point could allow actual conditions between 0-6% RH. The 0.3% annual drift is minimal, ensuring stable long-term measurement. Users who require tighter control should consider the optional over-humidity alarm or nitrogen purge system.

Can the Atomfair AF-DC98D extreme-low-humidity cabinet be integrated into an existing cleanroom monitoring system or upgraded with a nitrogen purge for ultra-sensitive materials?

Yes, the cabinet supports optional accessories including an RS485 PC logging interface for real-time data logging and remote monitoring, as well as a nitrogen purge system for accelerated dehumidification and inert-atmosphere management. These options allow integration into existing cleanroom or lab networks. Contact the engineering team for configuration details.

What are the specific handling and installation requirements for the Atomfair AF-DC98D 98L cabinet to ensure safe operation at extreme-low-humidity?

The cabinet must be transported upright with reinforced outer protection and suitable lifting equipment. After installation, verify level placement, door sealing via magnetic gasket and lockable handle, shelf loading within 1.2 mm galvanized steel capacity, and stable power. The automatic dehumidification system requires no disposable desiccant, and set-point memory persists after power interruption.

The Atomfair AF-DC98D is a 98L extreme-low-humidity dry cabinet maintaining 1%-3% RH via automatic electronic dehumidification and a Honeywell sensor, engineered for highly moisture-sensitive components in semiconductor cleanrooms and research laboratories.

Positive

  • Honeywell sensor with ±3% RH accuracy: The integrated Honeywell temperature and humidity sensor provides ±3% RH accuracy with low annual drift, ensuring reliable long-term measurement for critical dry storage.
  • Automatic dehumidification without consumables: The electronic dehumidification module removes moisture rapidly and requires no disposable desiccant consumables, supporting continuous operation with minimal maintenance.

Trade-offs

  • Requires upright transport and level installation: The cabinet must be transported upright with reinforced protection and installed on a level surface with proper door sealing and stable power before storing sensitive materials.
  • Extreme-low humidity may require process validation: For applications at 1%-3% RH, users should validate the storage process before formal production use and consider optional nitrogen purge or over-humidity alarm for high-risk processes.

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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