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ATOMFAIR® Ultra-Low-Humidity (1%-10% RH) Dry Cabinets AF-DC98C 98L for cleanroom moisture-sensitive storage

98L Ultra-Low-Humidity Dry Cabinet 1%-10% RH ATOMFAIR®

$970.00

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 ultra-low-humidity dry cabinet with 1%-10% RH control, Honeywell ±3% RH sensor, LCD display, 3 shelves and 448 × 400 × 688 mm body. Order now.

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

98L Ultra-Low-Humidity (1%-10% RH) Dry Cabinets

Dry storage cabinet, ultra-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC98C is a 98L dry cabinet configured for 1%-10% 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 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-DC98C Standard white powder-coated steel body 98L Ultra-Low-Humidity 1%-10% 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%-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 requires stable power and level placement to maintain consistent humidity control. Door sealing and minimized ambient exposure are critical to prevent moisture ingress and ensure ultra-low humidity conditions.

  • Transport Orientation: The cabinet must be transported upright with reinforced outer protection to prevent structural damage to the dehumidification system.
  • Power Stability: Connect the cabinet to a stable power source to avoid interruptions that could reset the set-point or compromise humidity control.
  • Door Sealing: Confirm the door sealing gasket is intact and the lockable handle is engaged to maintain an airtight environment during operation.
  • Ultra-Low Humidity Validation: For ultra-low humidity settings (1%–10% RH), validate the storage process before formal production use to ensure the cabinet meets the required conditions.
  • Optional Alarm and Nitrogen Purge: Consider installing an over-humidity alarm or nitrogen purge system when process risk is high to provide additional environmental safeguards.

Position the cabinet on a level surface and connect to stable power before setting the desired humidity. Verify door sealing and allow the cabinet to stabilize prior to storing moisture-sensitive materials.

Required Equipment: Atomfair AF-DC98C Dry Cabinet

  1. Transport and Position
    Transport the cabinet upright with reinforced outer protection and place it on a level, stable surface away from direct sunlight or heat sources.
  2. Level Placement and Sealing Check
    Confirm the cabinet is level using a bubble level and inspect the door sealing gasket for any gaps or damage.
  3. Connect Power and Verify Display
    Connect the cabinet to a stable power outlet and verify that the LCD display shows current humidity, temperature, and operational status.
  4. Set Humidity Set-Point
    Set the desired humidity range (1%–10% RH) using the microcomputer control panel and confirm that the set-point is retained after power interruption.
  5. Close and Secure Door
    Close the tempered-glass door securely and engage the lockable handle to maintain an airtight seal during operation.
  6. Stabilize Before Loading
    Allow the cabinet to run for at least 30 minutes to reach the target humidity before placing moisture-sensitive materials inside.
  7. Validate Ultra-Low Humidity Process
    For ultra-low humidity applications, validate the storage process with a calibrated hygrometer and consider installing a nitrogen purge or over-humidity alarm for added safety.

How does the Honeywell sensor's ±3% RH accuracy and 0.3% annual drift affect the cabinet's ability to maintain the lower end of the 1%-10% RH range, and what are the implications for storing ultra-moisture-sensitive components?

The Honeywell sensor's ±3% RH accuracy means that at a set point of 1% RH, the actual humidity could be as high as 4% RH, which may exceed the tolerance for extreme-low-humidity applications. The 0.3% annual drift further degrades precision over time, potentially requiring recalibration or use of the optional nitrogen purge system for critical storage. For materials requiring consistent sub-3% RH, the extreme-low-humidity model (1%-3% RH) or additional monitoring is recommended.

Can the AF-DC98C dry cabinet be used for ESD-sensitive component storage without the optional anti-static coating, and what are the limitations?

The standard cabinet body is powder-coated steel, which does not provide electrostatic protection. For ESD-sensitive storage, the optional ESD-safe anti-static coating is required to comply with IEC 61340-5 handling requirements. Without this coating, stored components may be at risk of electrostatic discharge damage during access or handling.

What are the critical installation and operational requirements for the AF-DC98C to ensure consistent ultra-low-humidity performance?

The cabinet must be transported upright with reinforced outer protection and placed on a level surface to maintain door sealing integrity. After installation, confirm level placement, door sealing, shelf loading within capacity, and stable power before storing sensitive materials. The door should be kept closed during normal use to minimize ambient exposure, and for ultra-low humidity applications, validating the storage process before formal production use is advised.

The Atomfair AF-DC98C 98L dry cabinet provides ultra-low-humidity storage (1%-10% RH) using automatic electronic dehumidification and a Honeywell sensor, suitable for moisture-sensitive components. Its sealed construction and adjustable shelves support lab deployment, but careful handling and stable power are required for consistent performance.

Positive

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

Trade-offs

  • Power dependency for humidity control: The cabinet relies on continuous power for dehumidification; while set-point memory is retained after power interruption, humidity levels may rise until power is restored, requiring stable mains supply or backup considerations.
  • Handling and installation constraints: The cabinet must be transported upright with reinforced outer protection, and after installation requires level placement, door sealing verification, and stable power before storing sensitive materials, adding setup complexity.

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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