Product Overview
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The Atomfair DC-Series AF-DC320D is a 320L dry cabinet configured for 1%-3% RH relative humidity control, with a standard white cabinet body, outer dimensions of 900 x 450 x 1010 mm, inner dimensions of 855 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.
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Specifications
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| 1. Selected Model & Dimension Parameters |
| Model |
Cabinet Body |
Volume |
Humidity Grade |
Humidity Range |
Outer Size |
Inner Size |
Shelf Count |
| AF-DC320D |
Standard white powder-coated steel body |
320L |
Extreme-Low-Humidity |
1%-3% RH |
900 x 450 x 1010 mm |
855 x 420 x 840 mm |
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| 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 |
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Key Features and Advantages
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- 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.
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Optional Accessories
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- 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.
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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.
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