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ATOMFAIR® Mid-Humidity (20%-60% RH) Dry Cabinets AF-DC240A 240L for cleanroom moisture-sensitive storage

240L Mid-Humidity Dry Cabinet AF-DC240A 20%-60% RH ATOMFAIR®

$1,120.00

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.

240L AF-DC240A mid-humidity dry cabinet controls 20%-60% RH, with Honeywell ±3% RH sensor, 600×400×1250 mm body and 3 adjustable shelves. Order now.

SKU: AF-EI-E-DC00-MSTD-240L
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Description

240L Mid-Humidity (20%-60% RH) Dry Cabinets

Dry storage cabinet, mid-humidity control

Product Overview

The Atomfair DC-Series AF-DC240A is a 240L dry cabinet configured for 20%-60% RH relative humidity control, with a standard white cabinet body, outer dimensions of 600 x 400 x 1250 mm, inner dimensions of 555 x 370 x 1080 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-DC240A Standard white powder-coated steel body 240L Mid-Humidity 20%-60% RH 600 x 400 x 1250 mm 555 x 370 x 1080 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 requires stable power, level placement, and sealed door operation to maintain the 20%-60% RH range. Transport must be upright with reinforced protection to prevent structural damage and ensure dehumidification performance.

  • Installation Requirements: Position the cabinet on a level surface and connect to a stable power supply before operation.
  • Operational Constraints: Keep the cabinet door closed during normal use and minimize extended ambient exposure of stored materials.
  • Material Sensitivity: For ultra-low or extreme-low humidity applications, validate the storage process and consider nitrogen purge or alarm options.
  • Transport Handling: Transport the cabinet upright with reinforced outer protection and use suitable lifting equipment according to its volume.
  • Configuration Verification: Confirm the exact capacity, humidity grade, cabinet body type, and optional accessories before ordering or storing sensitive items.

Position the cabinet on a level surface, connect to power, and allow it to stabilize to the set humidity. Load moisture-sensitive materials only after the cabinet has reached the target humidity and sealed properly.

Required Equipment: Leveling tool (e.g., bubble level), Power cord (included)

  1. Level and Position
    Position the cabinet on a level surface and verify stability using a bubble level.
  2. Connect Power
    Connect the cabinet to a stable power source and confirm the LCD display activates.
  3. Set Humidity Set Point
    Set the desired humidity set point using the microcomputer control panel and ensure the set point is retained.
  4. Stabilize and Load
    Allow the cabinet to stabilize to the set humidity before introducing moisture-sensitive materials onto adjustable shelves.

What is the difference between the AF-DC240A mid-humidity cabinet and the low-humidity or ultra-low-humidity models in the Atomfair DC series, and which materials require each humidity grade?

The AF-DC240A is a mid-humidity model controlling 20%-60% RH, suitable for materials needing controlled moisture protection without an ultra-dry environment, such as preventing moisture absorption, oxidation, and micro-structural degradation. For materials requiring lower humidity, the DC series offers low-humidity (10%-20% RH), ultra-low-humidity (1%-10% RH), and extreme-low-humidity (1%-3% RH) models. The choice depends on the specific sensitivity of stored materials; for example, ultra-low humidity is recommended for highly moisture-sensitive components.

Can the AF-DC240A dry cabinet be connected to a building management system or external data logger for continuous humidity monitoring?

Yes, the AF-DC240A can be equipped with an optional RS485 PC Logging Interface that enables real-time data logging, remote monitoring, and traceability of cabinet humidity and temperature status. This allows integration with external monitoring systems. Additionally, an optional over-humidity alarm system can trigger alerts when internal humidity exceeds the configured set point.

What are the key installation and operational precautions for the AF-DC240A dry cabinet to maintain stable humidity control?

The cabinet must be transported upright with reinforced outer protection and moved with suitable lifting equipment. After installation, confirm level placement, door sealing, shelf loading, and stable power before storing sensitive materials. During normal use, keep the cabinet door closed and minimize extended ambient exposure of stored materials. For ultra-low or extreme-low humidity applications, validate the storage process before formal use and consider nitrogen purge or alarm options when process risk is high.

The Atomfair AF-DC240A 240L dry cabinet provides mid-humidity control (20%-60% RH) with a Honeywell sensor and automatic electronic dehumidification, making it suitable for general moisture-sensitive storage in labs and workshops, but it requires careful handling and is not designed for ultra-dry environments without optional upgrades.

Positive

  • High-precision Honeywell sensor: Honeywell temperature and humidity sensor with ±3% RH accuracy and 0.3% annual drift ensures reliable long-term measurement for consistent humidity control.
  • Consumable-free dehumidification: Automatic electronic dehumidification module eliminates the need for disposable desiccant consumables, reducing maintenance and enabling continuous operation.

Trade-offs

  • Limited to mid-humidity range: The cabinet controls humidity only within 20%-60% RH; ultra-low or extreme-low humidity applications require a different model or optional nitrogen purge system, adding cost and complexity.
  • Handling and installation constraints: The cabinet must be transported upright with reinforced protection, placed on a level surface, and connected to stable power before use, requiring careful logistics and setup.

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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