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Cleanroom Furniture and Stainless Steel Products
Low-Humidity Dry Cabinet
An actively controlled steel dry cabinet that uses automatically regenerated molecular-sieve modules to maintain a stable low-humidity atmosphere around moisture-sensitive components.
- Active molecular-sieve drying modules
- Adjustable 1–10% RH setpoint range
- Static-dissipative glazed doors
- Digital humidity display and alarms
Product Introduction
The low-humidity dry cabinet combines a sealed powder-coated steel enclosure with twin automatically regenerated molecular-sieve drying modules. Internal air is drawn through the active modules, dried without continuous nitrogen consumption and returned through a rear distribution channel across six adjustable perforated shelves. Three independently accessed glazed door zones reduce the amount of room air introduced during retrieval. A front digital controller displays relative humidity and module status, while conductive shelf supports and a dedicated grounding stud provide a defined path for static charge from stored electronic parts and trays.
Key Features
Three separate static-dissipative door zones limit humidity recovery time after a single shelf group is accessed.
A perforated rear return channel distributes dry air across the cabinet height instead of concentrating it around the drying unit.
The digital controller shows measured RH, target setting and high-humidity condition without requiring the cabinet to be opened.
Customer Product Concerns
Moisture-sensitive electronic inventory needs repeatable low-RH storage without the gas consumption and access losses associated with a single large door.
Moisture-sensitive packages absorb room humidity between assembly operations.Active molecular-sieve modules continuously remove water vapor and return dry air through the rear distribution channel.
Opening one full-height door raises humidity around every stored reel and tray.Three independently gasketed glazed zones confine each access event to a smaller cabinet volume.
A saturated desiccant pack can stop protecting stock without a visible warning.Automatic regeneration and the external RH controller expose drying status and high-humidity conditions at the front panel.
Very dry air increases the static sensitivity of ungrounded component storage.Conductive shelf supports, static-dissipative glazing and an external grounding stud create a controlled discharge path.
Typical Applications
Moisture-sensitive semiconductor package storagePrinted circuit board stagingPrecision sensor and optical component holdingAdditive-manufacturing powder container storageElectronic assembly work-in-process protection
Technical Parameters
Typical configurable specifications for an active low-humidity electronic-component cabinet are listed below.
| Core Material | Powder-coated steel sealed enclosure with static-dissipative glazed doors, six conductive perforated shelves and twin regenerated molecular-sieve drying modules |
|---|---|
| Panel Thickness | 1.2 mm enclosure panels, door frames and rear air-distribution channel |
| Effective Width | 1200 mm overall cabinet width |
| Maximum Length | 1900 mm maximum overall cabinet height |
| Steel Facing Thickness | 1.2 mm powder-coated carbon-steel body, doors and shelf supports |
| Core Density | 7850 kg/m³ for the carbon-steel enclosure |
| Thermal Conductivity | 45–60 W/(m·K) for the carbon-steel enclosure |
| Surface Finish | Light-gray cleanroom powder coat with clear static-dissipative glazing, cobalt-blue drying modules and black conductive shelves |
| Joint Type | Seam-welded cabinet with three gasketed glazed door zones, magnetic compression closures, sealed rear circulation channel and bolted serviceable drying-module flanges |
| Customization | Available based on the intended application and operating environment. |
Available Options
1–10% RH or 10–20% RH control rangesTemperature and RH data loggingReel-support or pull-out tray packagesNitrogen backup purge connection
Planning a Low-Humidity Dry Cabinet specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
