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LED storage dry cabinet SDU-252-00 (0.5%RH, 252L)

  • SDU-252-00
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Product details

Totech SDU series is installed newly made dry units U-2005F by Toyo Living, the first developer of electronic dry cabinets in Japan since 1974. The outstanding feature of SDU series is fast recovery after door-open-close, with the everlasting advantages of constant ultra low humidity, high reliability and low power consumption. And it is widely used in the fields of electronics, optics, chemicals, labs, especially for the occasion with frequent door opening. It keeps min. 0.5%RH and suit for moisture sensitive components with all MSLs.

Dry units: 0.5%RH, with U-2005F made in Japan by Toyo Living.
Fast recovery: Humidity recovers to <5%RH within 15 minutes after door-open-close.
Precise control: Humidity is set by digital control panel by +/-0.1%RH. The digital panel also displays humidity and temperature value. Key Lock function on the digital control panel prevents unintended changes of setting. Sensor calibration function is also available with digital panel.
ESD safe: Cabinet body is made of 1.2mm ESD painted steel body , ESD safe PC  windows, ESD safe steel shelves and ground wire, well comply with IEC 61340-5-1.

Maintenance free: Totech dry cabinet works by dry units. An interlocked fan causes the air to circulate through the dry unit, while passing through the dry unit moisture in the air is absorbed by the zeolite desiccant. During periodic regenerating of the zeolite desiccant by heating, the absorbed humidity is evaporated and exhausted through the external shutters of the dry unit. The process is physical, and no replacement or extra maintenance at all.
Lockable doors: Every door can be locked separately with a key.
Energy saving: Mean power consumption 58W/h, 1/3 of the other brands.


4. Specifications

4.1 Humidity Range: 0.5%RH

4.2 Sensor precision: ±2%RH, +/-1°C

4.3 External dimensions: (W x H x D) 880 x 900 x 380 mm

4.4 Internal dimensions: (W x H x D) 870 x 830 x 330 mm

4.5 Weight: 46 kg

4.6 Volume: 252 L

4.7 Shelves (W x D): 3 pcs,

4.8 Max weight on shelf: 50 kg

4.9 Structure: 1.2mm steel

4.10 Cabinet color: Gray

4.11 Door: 2 pcs, with handles, airtight magnetic sealers.

4.12 ESD grounding wire: 1M Ω

4.13 Voltage: 220 V AC 

4.14 Power consumption: Ave. 56 W/h

4.15 Humidity /Door open alarm buzzer

4.16 Wrist strap connection



5. Options 


5.1 Humidity alarm light

Alarm light flashes and sounds when its internal humidity exceeds set value


5.2 Extra shelf

Greatly increase the usable space inside Super Dry

5.3 Independent Nitrogen purge system (Model TN2-02)

Effective usage of N2 combined with Super Dry, help to accelerate the recovery time and oxidation prevention. Set the buttons on N2 purge system itself


5.4 Nitrogen valve (Model: HN2-01)

Simple N2 flow meter, 0-25L/min adjustable


5.5 SMD single rack (stainless steel)

Suitable for storage of components on tape and reel, can pull out on rail


5.6 Adjustable legs

Available for effective stabilization


5.7 Castors (4pcs)

To move the cabinet on floor easily


5.8 Data logger with software

Data logging humidity and temperature, can read and output data by software with a PC



 No.1 Reliability as Dry Cabinet in the world
1) 40 Years experience as Dry Cabinet pioneer maker
For the past 30 years no serious trouble has happened at all.
2) Over 5,000 companies and organizations users with high level of satisfaction
3) The longest term service after‐sales
We can always supply Japanese style service and the term is countless.

More than 30 years as actual result

TOTECH’s SUPER DRY with TOYOLIVING dry unit has been used by many major companies that demand high reliability and performance for Dry Cabinets with precise humidity control ability.
NASA and JAXA had selected SUPER DRY in their laboratory and production line of most advanced aerospace technology.


Flextronics, Intel, Motorola, NASA, Nokia, Siemens,

Sony, Panasonic, Toshiba, Renesas, Hitachi, JAXA.


All Deteriorations are closely related to Humidity!


It's not too exaggerated to say, "All the deteriorations in this world are closely related to Humidity." Every material in semiconductor factories, laboratories, and other markets can have a longer shelf life under suitable humidity

Controlling humidity using SUPER DRY from TOTECH GLOBAL enables you to maintain the quality level of the materials in various cases.



Featured Solutions



SUPER DRY: Quality retention and faulty protection against moisture damage of various SMDs and electronic parts. Moisture-proof storage of PCB boards and mounting parts. Custom order available.

AUTO DRY: Long term storage of materials and spare parts, using its gradual dehumidification up to as low as 30%.



SUPER DRY: Ultra-low storage of samples, specimens, and some living objects.

AUTO DRY: Low storage of samples and specimens, moisture-proof storage of precision measuring equipments, analytical equipments and other tools that are vulnerable to humidity.

SUPERCASE: To carry and protect valuable samples and precision equipments against shock and moisture.



SUPER DRY: For semi permanent storage of large amount of important data and footages.

AUTO DRY: For storage of smaller amount of data and images.



AUTO DRY: Moisture-proof, mold-proof storage of cameras, lenses, and other filming equipments.

SUPERCASE: To carry and protect filming, PC equipments and memory sticks from shock and moisture.



Select from SUPER DRY and AUTO DRY line up according to best suited environment condition needed for storing specific good. Custom order available.



AUTO DRY: Moisture-proof storage of alignment equipments, analytical equipments, precision measuring equipments, transmission equipments and other precision equipments. Corrosion-proof storage of metal equipments, mold proof storage of various devices.


SUPERCASE: Standard storage case for transporting alignment equipments, analytical equipments, precision measuring equipments, transmission equipments, weaponry, etc.


LED CASE: Carry the case around to the areas without electricity. It can illuminate the area for a long period of time when fully charged.

Hemostatic pad: This hemostatic pad is very effective to stop bleeding instantly.

Stab proof vest: This lightweight wear provides high mobility and full protection against knives, glasses and other sharp objects.

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