YSM 100 Moisture-proof Cabinet 100L (YSM100A / YSM100B / YSM100C)
100L dry cabinet with three humidity grades (20%-60% / 10%-20% / 1%-10% RH).
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Product overview
Intelligent Dehumidification
Dual-mode system with microcomputer control, precise 1%–60% RH
Energy Saving
Auto sleep control reduces power use at stable humidity
Anti-Static
ESD-safe coating 106–109 Ω, meets SJ/T10694-2006
Durable
1.2mm Baosteel cold-rolled steel body, built to last
Silent Operation
Low-noise design for labs, cleanrooms and offices
Moisture-proof & mold-proof
Magnetic sealing door blocks moisture and mold growth
100L of controlled storage for moisture-sensitive parts. Three grades share this cabinet: 20%-60%, 10%-20% or 1%-10% relative humidity, so one footprint covers components, PCBs and MSD trays.
Polymer physical drying with PTC circulation reaches the target at least twice as fast as a conventional unit and holds it: humidity within ±3% RH, temperature within ±1 ℃.
External 450*400*700 mm, internal 405*370*630 mm, 1 shelves over 2 storage layers, 20 kg per shelf. Add F to the model code for the anti-static version.
Product Feature
Rapid Dual-Mode Dehumidification
Polymer physical drying combined with PTC circulation delivers at least twice the moisture pull-down of a conventional unit.
No frosting or water dripping during operation, with a service life beyond 10 years.
Built-in temporary power-loss moisture absorption and physical backup keep dehumidifying even when the line drops.
High-temperature flame-retardant materials (up to 300C) remove fire hazards from the core.
Human-Centered HMI Control
Modular plug-and-play design makes installation, maintenance and service straightforward.
The control module runs on a 12V safety voltage to eliminate electric-shock risk.
Optional in-cabinet lighting uses energy-saving cold/warm bulbs for easy access without disturbing stored parts.
Magnetic Sealing, Aging-Resistant
Built-in magnetic sealing strip provides excellent air-tightness and resists aging.
Moisture does not re-accumulate quickly even with the power off, protecting sensitive contents.
Precision ESD-Safe Fabrication
Anti-static coating conductivity of 10^6-10^9 ohm complies with industry ESD standards.
High-precision digital processing improves sealing and dehumidification efficiency.
Argon-arc welding yields a smooth, flat and tightly sealed cabinet body.
Adjustable, Expandable Shelving
Shelf height is adjustable to fit irregular large items with flexible storage space.
Shelves can be purchased separately, giving strong scalability as needs grow.
Explosion-Proof Tempered Glass Door
5mm explosion-proof tempered glass door is sturdy and durable.
High transparency lets you view stored materials at a glance, reducing frequent door opening.
Push-Type Concealed Lock
Press-type concealed door hatch is convenient, practical and more aesthetically pleasing.
Key opening keeps storage safer and access controlled.
Stable Universal Casters
High-quality double-bearing universal casters make the cabinet easy to move.
Anti-static construction adds safety; brakes provide stability when parked.
Each caster supports up to 100kg; large cabinets add height-adjustable support legs for stable load-bearing.
Baosteel Body, Superior Finish
Baosteel 1.2mm cold-rolled steel plate delivers strong load-bearing capacity.
Full acid washing plus electrostatic powder coating and high-temperature baking give a durable, long-lasting surface.
Three RH Grades, Every Capacity
Grade A 20-60% RH, Grade B 10-20% RH, Grade C 1-10% RH available across the full capacity range.
Pick the humidity class that matches your process and storage sensitivity.
Calibrated Sensing & Logging
Humidity held within +/-3% RH and temperature within +/-1C for reliable process control.
Readings are logged to support audit and traceability requirements.
Anti-Static Option (Code F)
Add F to the model code for a 10^6-10^9 ohm surface and blue-grey anti-static finish.
Ideal for moisture- and ESD-sensitive components such as PCBs and optics.
Energy-Saving, Low Noise
Silent operation with low power draw for an energy-efficient, low-carbon footprint.
Suitable for labs and production floors where quiet running matters.
Specifications
| Capacity (L) | Model | Humidity range (RH) | Power (W) | External W*D*H (mm) | Internal W*D*H (mm) | Door | Shelves | Storage layers | Load per shelf (kg) | Inquiry |
|---|---|---|---|---|---|---|---|---|---|---|
| 100L | YSM100A | 20%-60% | 10 | 450*400*700 | 405*370*630 | Single door, 1 tier | 1 | 2 | 20 | Quote |
| 100L | YSM100B | 10%-20% | 14 | 450*400*700 | 405*370*630 | Single door, 1 tier | 1 | 2 | 20 | Quote |
| 100L | YSM100C | 1%-10% | 16 | 450*400*700 | 405*370*630 | Single door, 1 tier | 1 | 2 | 20 | Quote |
Add F to the model code for the anti-static version (blue grey, 10⁶–10⁹ Ω). Other customisation on request.
Scroll sideways to compare all columns.
General specifications
- Colour
- Standard: ivory white; anti-static (F): blue grey
- Anti-static coefficient
- 10⁶ – 10⁹ Ω
- Humidity accuracy
- ≤ ±3% RH (display range 0–99% RH)
- Temperature accuracy
- ≤ ±1 ℃ (display only, −9–99 ℃)
- Power supply
- AC110V/220V, 50Hz/60Hz (auto-ranging)
Standard and optional
Anything marked optional can be built in. Tell us what you need.
| Function | Base model | Anti-static (F) |
|---|---|---|
| Dehumidification system | Standard | Standard |
| Door lock | Standard | Standard |
| 5 mm explosion-proof tempered glass door | Standard | Standard |
| Cold-rolled steel cabinet | Standard | Standard |
| LCD display | Standard | Standard |
| Temperature & humidity sensor | Standard | Standard |
| 1 MΩ grounding wire | Standard | Standard |
| Anti-static coating | Optional | Standard |
| Interior lighting | Optional | Optional |
| Over-humidity / over-temperature alarm | Optional | Optional |
| MES integration | Optional | Optional |
| Smart access control | Optional | Optional |
| Rapid nitrogen purging | Optional | Optional |
| RS232 / 485 monitoring | Optional | Optional |
| Code lock (electronic / mechanical) | Optional | Optional |
| Stainless steel / acrylic body | Optional | Optional |
Standard Optional Not available
Applications
Order & delivery
Standard terms for this range. Confirmed in writing on the quotation.
- Lead time
- 15~20 Working days
- MOQ
- 1 Unit
- Packing
- Exported-grade wooden case
- Shipping
- FOB Shanghai
- Payment
- 30% deposit,T/T
- Warranty & spares
- 2 Years
Documents
Specifications, drawings and guides for this range.
Common questions
What humidity range can a YSM cabinet hold?
The YSM series spans 1–60% RH across its three grades: A holds 20–60% RH, B holds 10–20% RH and C holds 1–10% RH. Every grade is available across the full capacity range, so a 100 L bench unit and a 1430 L production cabinet can be specified to the same humidity window. Control accuracy is ≤ ±3% RH, and the display covers 0–99% RH. Temperature is displayed over −9 to 99 °C to ±1 °C but is not actively controlled — these are humidity cabinets.
How often should the sensor be calibrated?
Calibration intervals are normally set by your own quality system rather than by the cabinet: an ISO 9001 or customer-audited process usually defines how often instruments must be verified. A common starting point is annual verification against a reference, adjusted to whatever your audit actually requires. Tell us your calibration requirement when ordering and we will confirm what documentation accompanies the unit.
How accurate is the humidity control?
The specified accuracy is ≤ ±3% RH, with a display range of 0–99% RH. That figure describes the spread around the setpoint once the cabinet has stabilised, not the pull-down time. Real-world stability depends on how often the door is opened, the load inside, and the ambient conditions in the room. Cabinets used continuously with the door open are better served by the optional fast-purge configuration, which we can quote.
What is the difference between the standard model and the F version?
The F suffix denotes the anti-static build. In the standard model the cabinet is finished in ivory white; the F version uses a blue-grey finish and holds surface resistivity between 10⁶ and 10⁹ Ω, with a 1 MΩ earth lead fitted as standard. Everything else is shared: the same door lock, 5 mm tempered glass window, cold-rolled steel body, LCD display, sensor and dehumidifier. The F build is what you specify when handling ESD-sensitive components, where a static discharge would do the damage that the humidity control is preventing.
What power supply do the cabinets require?
The cabinets auto-sense mains voltage and accept AC 110 V or 220 V at 50 or 60 Hz, so the same unit works on either supply without a step-down transformer or an internal change. Power draw is modest and depends on capacity and grade — a 100 L grade A cabinet draws 10 W, while the largest 1430 L grade C cabinet draws 78 W. The figure for each model is listed in the specification table. The ovens are different: models up to 240 L run on single-phase AC 220 V, and from 420 L upward on three-phase AC 380 V.
How much weight can each shelf carry?
Shelf load ratings rise with cabinet size: 20 kg per shelf at 100–160 L, 30 kg at 240 L, 40 kg at 320 L, 50 kg at 450–730 L, 60 kg at 880 L and 100 kg at 1430 L. The number of shelves also increases with capacity — from one shelf in the 100 L models to five in the 730 L and larger units, giving up to six storage tiers. If your load is denser than the standard rating, tell us the weight and we will confirm what the frame can take or specify reinforcement.
Need a configuration that is not listed?
Most of our shipments are built to order. Send the requirement and we will confirm feasibility within 24 hours.
Enquire about this series
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