160L Extreme-Low-Humidity Dry Cabinet 1%-3% RH ATOMFAIR®

Description

160L Extreme-Low-Humidity (1%-3% RH) Dry Cabinets

Dry storage cabinet, extreme-low-humidity control

Product Overview

The Atomfair DC-Series AF-DC160D is a 160L dry cabinet configured for 1%-3% RH relative humidity control, with a standard white cabinet body, outer dimensions of 450 x 450 x 1010 mm, inner dimensions of 405 x 420 x 840 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

Model	Cabinet Body	Volume	Humidity Grade	Humidity Range	Outer Size	Inner Size	Shelf Count
1. Selected Model & Dimension Parameters
AF-DC160D	Standard white powder-coated steel body	160L	Extreme-Low-Humidity	1%-3% RH	450 x 450 x 1010 mm	405 x 420 x 840 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®

Constraints

This cabinet requires stable placement on a level surface and connection to a continuous power supply for maintaining 1%-3% RH. The sealed environment must be kept closed during normal operation to prevent moisture ingress and protect stored moisture-sensitive materials.

Transport and Handling: The cabinet must be transported upright with reinforced outer protection and moved using suitable lifting equipment to prevent structural damage.
Level Placement: After installation, the cabinet must be placed on a level surface with confirmed door sealing and shelf loading before powering on.
Power and Environment: The cabinet requires a stable power supply and should be located in a controlled environment to minimize ambient exposure of stored materials.
Operation: The cabinet door must remain closed during normal use to maintain the set humidity range and prevent moisture absorption by stored items.
Validation: For extreme-low-humidity applications, the storage process should be validated before formal production use, and nitrogen purge or alarm options considered when process risk is high.

HowTo

This process describes the initial installation, power-on, and operation of the 160L extreme-low-humidity dry cabinet. Follow these steps to ensure proper setup and maintain the 1%-3% RH environment.

Required Equipment: Spirit level

Position the cabinet
Position the cabinet on a level surface in a dry, stable location with adequate clearance for ventilation.
Level the cabinet
Adjust the cabinet feet to ensure it is perfectly level using a spirit level.
Connect power
Connect the cabinet to a grounded power outlet matching the specified voltage and current.
Set humidity range
Set the desired humidity range (1%-3% RH) using the microcomputer control panel.
Allow stabilization
Allow the cabinet to stabilize and reach the set humidity level before loading sensitive materials.
Load materials
Place moisture-sensitive materials on the adjustable shelves, ensuring uniform air circulation and not overloading.
Monitor and close
Verify the LCD display shows the target humidity and temperature, and close the door securely.

FAQ

What are the trade-offs between using extreme-low-humidity storage at 1–3% RH and the increased risk of electrostatic discharge for moisture-sensitive electronic components?

The standard Atomfair AF-DC160D cabinet operates at 1–3% RH without intrinsic ESD protection, which can increase electrostatic discharge risk for highly sensitive components. An optional ESD-safe anti-static coating compliant with IEC 61340-5 is available to mitigate this, but the base configuration does not include it. Users storing ESD-sensitive devices should evaluate adding the anti-static coating or implementing external grounding measures to balance humidity control with static safety.

Can the Atomfair AF-DC160D dry cabinet be integrated with a nitrogen purge system to achieve sub‑1% RH conditions, and what are the constraints?

Yes, the cabinet supports an optional nitrogen purge system that provides a fast‑purge gas valve configuration for accelerated dehumidification and inert‑atmosphere management. However, the standard humidity grade is limited to 1–3% RH without purge; achieving sub‑1% RH requires the purge option. Users must also ensure proper level placement, door sealing, and stable power as noted in the installation requirements, and validate the storage process before production use when extreme‑low humidity is critical.

What are the specific storage and installation requirements for the AF-DC160D to maintain 1–3% RH stability, and what infrastructure is needed?

The cabinet must be transported upright with reinforced outer protection, kept level after installation, and have its door sealing, shelf loading, and stable power confirmed before storing sensitive materials. The automatic electronic dehumidification module operates continuously with no disposable desiccants, but for critical applications, optional accessories like the RS485 PC logging interface and over‑humidity alarm system provide real‑time monitoring and alerts. Users should also minimize extended ambient exposure of stored materials and consider nitrogen purge if process risk is high.

Assessment

The Atomfair AF-DC160D 160L extreme-low-humidity dry cabinet achieves reliable 1%-3% RH storage using a Honeywell sensor with ±3% RH accuracy and a maintenance-free electronic dehumidification system, making it suitable for highly moisture-sensitive electronics and optics; however, it requires careful upright transport, level installation, and process validation for critical applications.

Positive

High-precision Honeywell sensor: Honeywell temperature and humidity sensor delivers ±3% RH accuracy and 0.3% annual drift, enabling reliable long-term measurement for consistent humidity control.
Automatic maintenance-free dehumidification: Electronic dehumidification module eliminates disposable desiccant consumables, supporting continuous operation with minimal maintenance requirements.

Trade-offs

Careful transport and installation required: The cabinet must be transported upright with reinforced protection, and after installation, level placement, door sealing, shelf loading, and stable power must be confirmed before storing sensitive materials.
Process validation and optional upgrades recommended: For ultra-low or extreme-low humidity applications, formal validation of the storage process is required, and optional nitrogen purge or alarm systems should be considered when process risk is high.

Quality Standards & Performance Verification

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.

Shipping & Returns

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).