McDry is all about ultra-low-humidity storage cabinets
(desiccators)(low-humidity cabinets)
Only by storing IC packages and LEDs in a storage cabinet at a humidity of 5% RH or less as stipulated by IPC/JEDEC can complete moistureproofing be achieved.
This means that the floor life (the permitted time that the item can be exposed to the outside air after its moisture barrier bag has been opened) is unlimited and micro-cracking during reflow can be reduced to zero. The storage cabinets also allow products to be stowed away and taken out easily by simply opening the door.
This document provides information on temperature-humidity chamber foundations and stability benchtop environmental chambers. It describes the main functions and applications of programmable constant temperature humidity chambers, which can test for heat, cold, dryness and humidity endurance. It then lists relevant industry standards and provides specifications for several chamber models, including temperature and humidity ranges, accuracy, heating and cooling rates, and materials. Safety features are outlined, and key features like the separation of humidifier and electrical circuits are highlighted. Contact information is provided at the end.
This document discusses considerations for selecting hybrid battery and enclosure systems for remote cell sites. It notes that remote sites often have unstable grids and require solutions that can handle frequent outages. Batteries must be able to recover quickly from partial charges and withstand harsh weather. Thermally managed outdoor cabinets are recommended to keep batteries at their optimal temperatures. The document examines factors like surviving remote locations, optimizing energy storage, thermal management options, and security/intrusion prevention.
This document summarizes the features of a CO2 incubator model. It has a PID microprocessor controller, heated outer door, tempered glass inner door, and maintains temperature uniformity while minimizing condensation. It has alarms for temperature and CO2 levels out of tolerance. It uses infrared sensors for fast CO2 recovery and stability. Extensive copper is used throughout to control contamination, and it maintains temperature, CO2 levels, and humidity to replicate mammalian environments for tissue and cell culture. It comes with a 5-year parts warranty and lifetime warranty on the water jacket chamber.
This document provides information about high and low constant temperature humidity test chambers. The chambers are designed to test heat endurance, cold endurance, dry endurance, and humidity endurance for various industries. They have temperature and humidity ranges from -70°C to 150°C and 20-98% relative humidity. Key features include separated humidifier and electric circuits for safety, LCD touch screen control in multiple languages, and uniform temperature and humidity distribution through Sirocco fans. The chambers meet various Chinese and international testing standards and have safety devices such as overtemperature protection.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Walk in cooler & freezer cold room plant & refrigerated cold storage warehous...svfd1721
This document provides instructions for the design, installation, operation, and maintenance of walk-in coolers and freezers. It discusses product information and applications, installation procedures, operational instructions, control settings, and maintenance guidelines. The document contains diagrams of electrical wiring and refrigeration systems. Maintaining proper temperature settings, cleaning, and routine maintenance are emphasized for optimal performance of walk-in cold storage units.
Walk in cooler & freezer cold room plant & refrigerated cold storage warehous...svfd1721
This document provides instructions for the design, installation, operation, and maintenance of walk-in coolers and freezers. It discusses product information and applications, installation procedures, operational instructions, control settings, and maintenance guidelines. The document contains diagrams of electrical wiring and refrigeration systems. Maintaining proper temperature settings, cleaning, and routine maintenance are emphasized for optimal performance of walk-in cold storage units.
Seed Bank Design: Seed Drying Rooms
`
For more information, Please see websites below:
`
Organic Edible Schoolyards & Gardening with Children =
http://scribd.com/doc/239851214 ~
`
Double Food Production from your School Garden with Organic Tech =
http://scribd.com/doc/239851079 ~
`
Free School Gardening Art Posters =
http://scribd.com/doc/239851159 ~
`
Increase Food Production with Companion Planting in your School Garden =
http://scribd.com/doc/239851159 ~
`
Healthy Foods Dramatically Improves Student Academic Success =
http://scribd.com/doc/239851348 ~
`
City Chickens for your Organic School Garden =
http://scribd.com/doc/239850440 ~
`
Simple Square Foot Gardening for Schools - Teacher Guide =
http://scribd.com/doc/239851110 ~
This document provides information on temperature-humidity chamber foundations and stability benchtop environmental chambers. It describes the main functions and applications of programmable constant temperature humidity chambers, which can test for heat, cold, dryness and humidity endurance. It then lists relevant industry standards and provides specifications for several chamber models, including temperature and humidity ranges, accuracy, heating and cooling rates, and materials. Safety features are outlined, and key features like the separation of humidifier and electrical circuits are highlighted. Contact information is provided at the end.
This document discusses considerations for selecting hybrid battery and enclosure systems for remote cell sites. It notes that remote sites often have unstable grids and require solutions that can handle frequent outages. Batteries must be able to recover quickly from partial charges and withstand harsh weather. Thermally managed outdoor cabinets are recommended to keep batteries at their optimal temperatures. The document examines factors like surviving remote locations, optimizing energy storage, thermal management options, and security/intrusion prevention.
This document summarizes the features of a CO2 incubator model. It has a PID microprocessor controller, heated outer door, tempered glass inner door, and maintains temperature uniformity while minimizing condensation. It has alarms for temperature and CO2 levels out of tolerance. It uses infrared sensors for fast CO2 recovery and stability. Extensive copper is used throughout to control contamination, and it maintains temperature, CO2 levels, and humidity to replicate mammalian environments for tissue and cell culture. It comes with a 5-year parts warranty and lifetime warranty on the water jacket chamber.
This document provides information about high and low constant temperature humidity test chambers. The chambers are designed to test heat endurance, cold endurance, dry endurance, and humidity endurance for various industries. They have temperature and humidity ranges from -70°C to 150°C and 20-98% relative humidity. Key features include separated humidifier and electric circuits for safety, LCD touch screen control in multiple languages, and uniform temperature and humidity distribution through Sirocco fans. The chambers meet various Chinese and international testing standards and have safety devices such as overtemperature protection.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Walk in cooler & freezer cold room plant & refrigerated cold storage warehous...svfd1721
This document provides instructions for the design, installation, operation, and maintenance of walk-in coolers and freezers. It discusses product information and applications, installation procedures, operational instructions, control settings, and maintenance guidelines. The document contains diagrams of electrical wiring and refrigeration systems. Maintaining proper temperature settings, cleaning, and routine maintenance are emphasized for optimal performance of walk-in cold storage units.
Walk in cooler & freezer cold room plant & refrigerated cold storage warehous...svfd1721
This document provides instructions for the design, installation, operation, and maintenance of walk-in coolers and freezers. It discusses product information and applications, installation procedures, operational instructions, control settings, and maintenance guidelines. The document contains diagrams of electrical wiring and refrigeration systems. Maintaining proper temperature settings, cleaning, and routine maintenance are emphasized for optimal performance of walk-in cold storage units.
Seed Bank Design: Seed Drying Rooms
`
For more information, Please see websites below:
`
Organic Edible Schoolyards & Gardening with Children =
http://scribd.com/doc/239851214 ~
`
Double Food Production from your School Garden with Organic Tech =
http://scribd.com/doc/239851079 ~
`
Free School Gardening Art Posters =
http://scribd.com/doc/239851159 ~
`
Increase Food Production with Companion Planting in your School Garden =
http://scribd.com/doc/239851159 ~
`
Healthy Foods Dramatically Improves Student Academic Success =
http://scribd.com/doc/239851348 ~
`
City Chickens for your Organic School Garden =
http://scribd.com/doc/239850440 ~
`
Simple Square Foot Gardening for Schools - Teacher Guide =
http://scribd.com/doc/239851110 ~
The document provides guidance on designing seed drying rooms for seed banks. Key points include:
- Drying seeds prior to storage is important to prolong lifespan and prevent germination. The ideal is 15% relative humidity at 15°C.
- A purpose-built drying room allows large quantities of seeds to dry simultaneously and provides storage space. The size depends on the volume of seeds but is typically 25-125 cubic meters.
- Proper insulation, airflow, temperature control and monitoring equipment are needed to maintain the optimal drying conditions for seeds. Technical expertise is required to design an effective drying room.
Isotech manufacturing & exporting company for Environmental Simulation products, Scientific Instruments with specialization in Defence sectors, Aeronautical Sectors, Electronic Sectors, Electrical Sectors, Automobile Sectors, Agricultural Sectors, R & D Institutes, Universities, as per MIL standard, International Standards and National Standards having accuracy just equivalent to Imported Calibration Instruments, resulting in import substitute for Indian users.
Facebook: https://www.facebook.com/IsotechTechnology
YT Sub Link: https://bit.ly/isotech-YT-channel
Read More : https://www.isotechpl.com/de-humidifier
WAECO Professional Cooling Catalog 2014Rimsky Cheng
The document provides information on thermoelectric coolers from Dometic WAECO for temperature-controlled transport applications. It summarizes their TropiCool series, which includes four models ranging in size from 7 to 33 liters. The three larger models have a 12/24V DC and 230V AC power supply as standard and can accurately control temperature from 1-15°C or heat from 50-65°C. They are well insulated and have efficient, maintenance-free cooling capabilities for applications like food, specimen, and sample transportation.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles, which are in the shape of a blood bag
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
The user requirements specification (URS) is the key document in the whole of the system development life cycle that is required for both business (investment protection) and regulatory reasons (defining intended purpose).
Environmentally friendly biomedical refrigerator powered by Meditech Technology for safe storage and conservation of Bio medical items, medicines and vaccines (+2⁰C a +8⁰C)
Stable Temperature Control
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles, which are in the shape of a blood bag
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
Freeze Drying is the process of removing the moisture from a biological product while maintaining the Integrity of the products biological & chemical structure and activities.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles.
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
SK6812,GS8208,WS2813 SMD products using guideDaisy Xu
Nowadays , there are more and more build in IC led chip coming out , those build in ic ,such as SK6812, SK6822,SK9822, WS2813, GS8208 LED Chip have same MLS Level :6. which you need to pay more attention on them than normal led chip .
Before you welding them , you must do dehumidification .you need to put them in oven for 24hours on 60-70degree temperature .
,after that , you must use them within 4 hours , or you need to put them in oven again .
- A Russian supermarket chain used Embraco's Plug N' Cool refrigeration system in their stores instead of traditional remote systems. The Plug N' Cool system provided modular, energy efficient refrigeration for food display cases using natural refrigerants. It allowed for faster installation, easier maintenance, and reduced energy costs by 34% compared to remote systems. Both the supermarket and refrigeration equipment manufacturer were satisfied with the energy savings and performance of the Plug N' Cool pilot program.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles,
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
The document provides technical descriptions and operating principles of UGT grain dryers. It discusses several key systems and features:
1) A pre-clean system uses sieves to remove foreign objects before they can damage dryer components.
2) Dosing rolls and a moisture meter work together to control grain movement for uniform drying.
3) Protective switches prevent equipment from operating unless all covers are securely closed for safety.
4) A crossing grain movement pattern and different compartment temperatures ensure uniform heating of all grain.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles,
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
This document summarizes a benchtop 1750°C muffle furnace. It features a digital programmable controller, ceramic insulation for high energy efficiency, and safety features like a door switch. The furnace has a 8"x8"x8" chamber that can heat to 1750°C and includes a ceramic shelf. It is suitable for laboratory applications requiring controlled high temperature heating.
The document describes a catalog from Labmen instrument Limited that includes 10 products: 1) an intelligent artificial climate incubator series, 2) -80°C and -86°C chest freezers, 3) a plant photosynthesis meter, 4) a GC-7960 gas chromatograph, 5) an intelligent leaf area meter, 6) a -25°C laboratory freezer, 7) portable core drill kits, 8) an LB series analytical balance, 9) a portable pH/mV meter, and 10) an electrothermal thermostatic blast drying oven. For each product, the document provides details on specifications, technical parameters, and models.
3M Brand PST Cold Shrink Connector Insulators are open-ended, tubular rubber sleeves that are factory expanded and assembled onto a removable core. They are used to provide primary electrical insulation and physical protection for cable splices and connections rated up to 1000 volts. The insulating tubes are made of EPDM rubber and come in six diameter sizes to accommodate a wide range of cable sizes. They feature simple installation without additional heat, good electrical properties, and form a waterproof seal to withstand underground conditions.
Eta constant temperature and humidity test chamberMark Tung
ETA Constant Temperature and Humidity Test Chamber is used to test the performance of materials in various environments. It provides a
simulated environment for testing the heat resistance, cold resistance, dry resistance and humidity resistance of materials. Suitable for
electronics, electrical appliances, communications, instrumentation, vehicles, plastic products, metals, food, chemistry, building materials,
medical, aerospace products, scientific research and other industries
Self adheisve smart film introduction- oypdlc.comMark Zheng
Introduction about smart film self adhesive type, which can stick directly to existing glass directly, great smart film to retrofit your current windows.
More info please visit https://www.oypdlc.com
The document provides information on various freeze dry machines from Vikumer, including laboratory, pilot, and production scale freeze dryers. It describes the technical specifications and features of freeze dryers for applications such as basic research, advanced research, pharmaceutical production, food production, and more. Vikumer aims to provide cost-effective freeze drying solutions for customers' lyophilization needs.
Multi-channel low noise arbitrary waveform generation system
Multi-channel precision low noise DC voltage source
Multi-channel low noise amplification system
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
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The document provides guidance on designing seed drying rooms for seed banks. Key points include:
- Drying seeds prior to storage is important to prolong lifespan and prevent germination. The ideal is 15% relative humidity at 15°C.
- A purpose-built drying room allows large quantities of seeds to dry simultaneously and provides storage space. The size depends on the volume of seeds but is typically 25-125 cubic meters.
- Proper insulation, airflow, temperature control and monitoring equipment are needed to maintain the optimal drying conditions for seeds. Technical expertise is required to design an effective drying room.
Isotech manufacturing & exporting company for Environmental Simulation products, Scientific Instruments with specialization in Defence sectors, Aeronautical Sectors, Electronic Sectors, Electrical Sectors, Automobile Sectors, Agricultural Sectors, R & D Institutes, Universities, as per MIL standard, International Standards and National Standards having accuracy just equivalent to Imported Calibration Instruments, resulting in import substitute for Indian users.
Facebook: https://www.facebook.com/IsotechTechnology
YT Sub Link: https://bit.ly/isotech-YT-channel
Read More : https://www.isotechpl.com/de-humidifier
WAECO Professional Cooling Catalog 2014Rimsky Cheng
The document provides information on thermoelectric coolers from Dometic WAECO for temperature-controlled transport applications. It summarizes their TropiCool series, which includes four models ranging in size from 7 to 33 liters. The three larger models have a 12/24V DC and 230V AC power supply as standard and can accurately control temperature from 1-15°C or heat from 50-65°C. They are well insulated and have efficient, maintenance-free cooling capabilities for applications like food, specimen, and sample transportation.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles, which are in the shape of a blood bag
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
The user requirements specification (URS) is the key document in the whole of the system development life cycle that is required for both business (investment protection) and regulatory reasons (defining intended purpose).
Environmentally friendly biomedical refrigerator powered by Meditech Technology for safe storage and conservation of Bio medical items, medicines and vaccines (+2⁰C a +8⁰C)
Stable Temperature Control
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles, which are in the shape of a blood bag
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
Freeze Drying is the process of removing the moisture from a biological product while maintaining the Integrity of the products biological & chemical structure and activities.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles.
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
SK6812,GS8208,WS2813 SMD products using guideDaisy Xu
Nowadays , there are more and more build in IC led chip coming out , those build in ic ,such as SK6812, SK6822,SK9822, WS2813, GS8208 LED Chip have same MLS Level :6. which you need to pay more attention on them than normal led chip .
Before you welding them , you must do dehumidification .you need to put them in oven for 24hours on 60-70degree temperature .
,after that , you must use them within 4 hours , or you need to put them in oven again .
- A Russian supermarket chain used Embraco's Plug N' Cool refrigeration system in their stores instead of traditional remote systems. The Plug N' Cool system provided modular, energy efficient refrigeration for food display cases using natural refrigerants. It allowed for faster installation, easier maintenance, and reduced energy costs by 34% compared to remote systems. Both the supermarket and refrigeration equipment manufacturer were satisfied with the energy savings and performance of the Plug N' Cool pilot program.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles,
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
The document provides technical descriptions and operating principles of UGT grain dryers. It discusses several key systems and features:
1) A pre-clean system uses sieves to remove foreign objects before they can damage dryer components.
2) Dosing rolls and a moisture meter work together to control grain movement for uniform drying.
3) Protective switches prevent equipment from operating unless all covers are securely closed for safety.
4) A crossing grain movement pattern and different compartment temperatures ensure uniform heating of all grain.
Temperature is controlled by two sensors located in the liquid-loaded monitor bottles,
Two thermistor sensors constantly monitor the temperature in both the upper and the lower part of chamber.
Microprocessor control ensures the most accurate temperature control available.
This document summarizes a benchtop 1750°C muffle furnace. It features a digital programmable controller, ceramic insulation for high energy efficiency, and safety features like a door switch. The furnace has a 8"x8"x8" chamber that can heat to 1750°C and includes a ceramic shelf. It is suitable for laboratory applications requiring controlled high temperature heating.
The document describes a catalog from Labmen instrument Limited that includes 10 products: 1) an intelligent artificial climate incubator series, 2) -80°C and -86°C chest freezers, 3) a plant photosynthesis meter, 4) a GC-7960 gas chromatograph, 5) an intelligent leaf area meter, 6) a -25°C laboratory freezer, 7) portable core drill kits, 8) an LB series analytical balance, 9) a portable pH/mV meter, and 10) an electrothermal thermostatic blast drying oven. For each product, the document provides details on specifications, technical parameters, and models.
3M Brand PST Cold Shrink Connector Insulators are open-ended, tubular rubber sleeves that are factory expanded and assembled onto a removable core. They are used to provide primary electrical insulation and physical protection for cable splices and connections rated up to 1000 volts. The insulating tubes are made of EPDM rubber and come in six diameter sizes to accommodate a wide range of cable sizes. They feature simple installation without additional heat, good electrical properties, and form a waterproof seal to withstand underground conditions.
Eta constant temperature and humidity test chamberMark Tung
ETA Constant Temperature and Humidity Test Chamber is used to test the performance of materials in various environments. It provides a
simulated environment for testing the heat resistance, cold resistance, dry resistance and humidity resistance of materials. Suitable for
electronics, electrical appliances, communications, instrumentation, vehicles, plastic products, metals, food, chemistry, building materials,
medical, aerospace products, scientific research and other industries
Self adheisve smart film introduction- oypdlc.comMark Zheng
Introduction about smart film self adhesive type, which can stick directly to existing glass directly, great smart film to retrofit your current windows.
More info please visit https://www.oypdlc.com
The document provides information on various freeze dry machines from Vikumer, including laboratory, pilot, and production scale freeze dryers. It describes the technical specifications and features of freeze dryers for applications such as basic research, advanced research, pharmaceutical production, food production, and more. Vikumer aims to provide cost-effective freeze drying solutions for customers' lyophilization needs.
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Multi-channel low noise amplification system
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Inspect solar panel bypass diodes for opens and shorts in broad daylight without covering panels
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Testing can also be performed at night.
*Testing for short-circuit faults can only be performed during the day.
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1. Conforms to IPC/JEDEC J-STD-033D
and IPC-1601 Guidelines.
* ESD safe design adheres to IEC-61340-5-1
(ESD) Standard.
* Dehumidifies ICs to prevent micro-cracking
and can be used as an alternative to baking.
* All models maintain 1%RH.
* Powerful moisture absorbent is utilized to
eliminate the use of nitrogen.
* Wide range of cabinets including UL/C models.
http://www.mcdry.us
Prevent your components
from micro-cracking during
reflow with proper Ultra-Low
Humidity Storage.
Micro-cracking
(Popcorn Crack)
ULTRA-LOW HUMIDITY
STORAGE
CABINETS
E-15000
ERC Co., Ltd.
SEIKA
PRODUCT BROCHURE
ULTRA-LOW
HUMIDITY STORAGE
CABINETS 1%RH
2. 3
PBGA
Test Sample: PBGA
Pretreatment: Baked at 125°C, 24hrs.
Conditions
1. Package is stored in simulated room conditions
(30°C, 85% RH, 24 hours).
A controlled temperature, humidity chamber is used.
2. After Process 1 above has been completed, the package
is stored in a low humidity storage case for 100 hrs
at 5% RH.
3. After the baking process the package is stored in a low
humidity storage case at 5% RH.
Multi-layered PCBs absorb moisture at a faster rate as they become
thinner. Layer break off and blistering will occur during reflow if the
moisture content of the PCB exceeds 0.2% (weight).
Test Sample: 6 layer Glass Epoxy PCB
Size: 50 x 100 x 1t (mm)
Pre-Treatment: Baked for 24 hours at 125°C
Humidification: Steamed for 2 hours
De-Humidification: Stored in McDry Cabinet at 5%RH
Absorption and Dehumidification Data of IC Packages
Low Humidity Storage of Thin Multi-Layer PCBs
Data on Moisture Absorption and Dehumidification of Chip LEDs
0.20
0.25
0.15
0.10
0.05
25
25
0 50 75 100 125 150
0
Dehumidification
Humidification
Baking
Natural
absorption
Absorption
rate
(wt
%)
0.145%
Elapsed time (hr)
Cracking Area
Caution Area
Safe Area
24h
① ②
③
0.4
0.3
0.2
0.1
20 40 60 80 100
0
0
Absorption
rate
(wt
%)
Elapsed time (hr)
Delamination Area
Safe Area
Thickness 1.8 mm
25
▶
▶
25
▶
▶
Experiment
Data on moisture absorption and
dehumidification of chip LEDs
Example: LED3025 (3.0mm x 2.5mm x t1.3mm)
floor life 168h
Pretreatment: 48 hour-Baking Process at +60°C
(LED makers’ baking guideline)
3. 2
Why do components require low humidity storage?
McDry Prevents Micro-Cracking of IC Packages and chip LEDs During Reflow.
The high temperatures involved in vapor phase or reflow
passes cause the absorbed moisture to expand rapidly.
Micro-cracking occurs in nearly 100% of IC packages and
chip LEDs containing moisture during the reflow process.
Occurring over an extended period of time, this can cause
breakage of wiring and other problems. Micro-cracking can
be prevented with storage and dehumidification of IC’s and
chip LEDs using McDry as well as resetting the floor life of
components according to the IPC/JEDEC J-STD-033D.
McDry Dry Storage Cabinets maintain ultra-low humidity
levels under the recommended indefinite safe floor life
guideline of dry storage at 5% RH or less.
For storing moisture-sensitive components and materials
in the McDry cabinet, the floor life of the parts during the
SMT assembly process. Simply place the MSL parts in
McDry to maintain safe dry storage and remove them as
required.
MSL (IC Package, Chip LEDs) Device Managemant with McDry
Protect Components with Dry Storage in McDry
Ambient Storage Reflow Soldering
The plastic packaging used
to manufacture surface
mount technology devices
will absorb moisture from the
environment.
Surface peeling between
the die pad and the resin
is caused by water vapor
pressure during reflow.
The high temperatures
involved in vapor phase or
reflow soldering cause the
absorbed moisture to expand
rapidly, thus causing internal
stress known as “Popcorning”.
Surface delamination is
likely resulting in shear
strain on bond wires
and wire necking, micro-
cracking extending to the
outside of the package.
Micro-cracking
(Popcorn Crack)
▶
Moisture Pressure Build-up Die Paddle Delamination Package Cracking
When moisture-sensitive components are stored in a dry environment capable of maintaining 5% RH or less,
the floor life will be indefinite according to the IPC/JEDEC J-STD 033D.
Moisture
Sensitivity
Level
1
2
2a
3
4
5
5a
6
Floor Life(out of bag) at factory
ambient < 30℃ and / 60% RH or as stated
Unlimited at < 30℃ / < 85%RH
1 year
4 weeks
168 hours
72 hours
48 hours
24 hours
Mandatory bake before use. After bake,
must be reflowed within the time limit
specified on the label.
Moisture-Sensitivity Level (MSL) and Floor Life per J-STD-033D
4. 5
The Door opening place and time
No. ① ..... 2 doors ⒸⒹ .....2 min. open both
No. ② ..... 1 door ⒶⒷⒸⒹⒺⒻ .....15 sec. open
No. ③ ..... 2 doors ⒸⒹ .....1 min. open both
No. ④ ..... 1 door ⒹⒻ .....15 sec. open
No. ⑤ ..... 2 doors ⒸⒹ .....30 sec. open both
No. ⑥ ..... 1 door ⒸⒺ .....20 sec. open
No. ⑦ ..... 2 doors ⒶⒷ .....30 sec. open both
No. ⑧ ..... 2 doors ⒺⒻ .....1 min. open both
McDry & DicksonOne / DXU-1001A / with Data Logger
Opening-Closing Data of DXU-1001A
Humidity Data of McDry Cabinets
(Ambient Test Conditions: 25°C, 60% RH) (Ambient Test Conditions: 25°C, 60% RH)
DXU-1001A (1%RH) MCU-401A (1%RH)
Features of the DicksonOne includes:
1. Secure, cloud-based data storage.
2. Multiple unit monitoring.
3. Schedule recurring reports right to your in box.
4. Email. text and phone alerts when temperture or
humidity is out of spacification.
5. 4
Dehumidifying Principle
McDry Electronic Drying Storage Cases provide low humidity storage
without the use of nitrogen. Humidity is removed from the cabinets by use
of a powerful zeolite desiccant. The desiccant is automatically recycled
with a heating mechanism and does not require replacement. Moisture
absorbed by the zeolite desiccant is vaporized and released outside of the
cabinet. Memory shaped metal is utilized for fail proof ventilation. Forced
air flow convection system desiccates the entire cabinet with fan for
optimal dehumidification to take place.
Storing in 5% RH and 10% RH storage cabinets in accordance with IPC/JEDEC J-STD 033D
In accordance with IPC/JEDEC J-STD-033D, IC packages that have been removed from MBBs must be kept under a condition of
5% or 10% relative humidity to prevent components from absorbing moisture. However, during the mounting process, opening
and closing of dry cabinet storage doors may occur frequently in order to remove and replace moisture-sensitive devices. This will
allow ambient air to flow into the cabinet and may raise the RH level. To limit this from occurring and to keep the relative humidity
inside of the cabinet below 5% or 10% as specified, a consistent, ultra-low humidity storage level is recommended. Therefore, the
storage guidelines utilizing the McDry cabinet corresponding to the repetition of opening and closing of doors are as follows:
Manufactured for High Performance
Dehumidifying Principle
Handling and Storage Guidelines of IC Packages
Model RH level
Frequency of
Usage example
opening-closing of doors
DXU models 1% RH
MC models
MCU models
1% RH
Once in approx. 10 – 20 mins.
Once in approx. 0.5 – 2 hrs.
1. Ultra-low humidity storage of IC's for
cabinets that are accessed frequently.
2. Storage of IC packages that require
ultra-low humidity storage such as
components with high MSL
classifications.
1. Ultra-low humidity storage of IC's for
cabinets that are not accessed
frequently.
2. Long-term storage of IC packages and
electrical components.
3. Storage of PCBs, etc.
Locking doors that seal tightly.
Solid steel construction with ESD safe design.
Adjustable shelves (stainless steel available).
Digital RH meter
Drying Unit
Cabinet is grounded to prevent
component damage due to static
electricity.
ESD safe casters Standard
for 501A,1001A,1002A type
cabinets.
Cabinet storage area
Drying Unit containing
desiccant.
Features
1. Powerful zeolite desiccant eliminates
the need for nitrogen.
2. Desiccant is automatically recycled
and does not require replacement.
Range
Humidity: 1~70%RH
Accuracy: ±3%RH
RH METER
DRY UNIT
6. 7
Door Opening / Closing: Once every 0.5 - 2hrs.
Features:
1. Can maintain an RH level of 1%.
2. Equipped with a digital RH Meter.
3. Locking Doors.
4. Adjustable shelves.
5. Loading capacity 220 lbs. (100 kgs.)
6. Grounded to prevent static electricity.
MC Model / 1%RH
Model
Item MC-1001A MC-1002A
Specifications (Note: Specifications are subject to change due to product improvement.)
External Dimensions
Internal Dimensions
Capacity
Dry Unit
Material
Color
Doors (Magnetic)
Weight
Electrical Requirement
Accessories Included
47.2W x 26.0 D x 72.8H (in) 47.2W x 26.0 D x 72.8H (in)
46.0W x 23.1D x 62.7H (in) 46.0W x 23.1D x 62.7H (in)
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43 Cu Feet (1200 Liters )
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43 Cu Feet (1200 Liters)
0F
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5
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6 Doors with glass windows 4 Doors with glass windows
Approx 419 lbs. (190 kgs.) Approx 396 lbs. (180 kgs.)
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
AC 120V (50/60Hz) 28W/h Max 350W AC 120V (50/60Hz) 28W/h Max 350W
5 shelves, Locks, RH meter,
Caster, Ground terminal
5 shelves, Locks, RH meter,
Caster, Ground terminal
MC-1001A
43 cf (6-door type)
MC-1002A
43 cf (4-door type)
7. 6
DXU-1001A
43 cf (6-door type)
DXU-1002A
43 cf (4-door type)
DXU-501A
22 cf (3-door type)
Door Opening / Closing: Once every 10 - 20 min.
Features:
1. Can maintain an RH level of 1%.
2. Equipped with a digital RH Meter.
3. Locking Doors.
4. Adjustable shelves.
5. Loading capacity 220 lbs. (100 Kgs)
6. Grounded to prevent static
electricity.
DXU Mode / 1%RH Quick Dehumidification Model
Specifications (Note: Specifications are subject to change due to product improvement.)
MODEL
ITEM DXU-1001A DXU-1002A DXU-501A
External
Dimensions
Internal
Dimensions
Capacity
Dry Unit
Material
Color
Doors
(Magnetic)
Electrical Requirement
Accessories Included
47.2W x 26.0D x 72.8H (in ) 47.2W x 26.0D x 72.8H (in) 47.2W x 26.0D x 72.8H (in)
46.0W x 23.1D x 62.7H (in) 46.0W x 23.1D x 62.7H (in) 23.0W x 23.6D x 63.2H (in)
Approx Approx Approx
43 Cu Feet (1200 Liters) 43 Cu Feet (1200 Liters) 22 Cu Feet (600 Liters)
0F
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5
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2
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2
7
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U 2
x
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2
7
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High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
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with glass windows with glass window with glass windows
Approx 440 lbs. (200 kgs.) Approx 419 lbs. (190 kgs.) Approx 243 lbs. (110 kgs.)
AC 120V (50/60Hz) 57W/h Max 500W AC 120V (50/60Hz) 57W/h Max 500W AC 120V (50/60Hz) 28W/h Max 350W
5 shelves, Locks, RH meter,
Caster, Ground terminal
5 shelves, Locks, RH meter,
Caster, Ground terminal
5 shelves, Locks, RH meter,
Caster, Ground terminal
Weight
8. 9
MB-1001A
43 cf
(6-door type)
MB-301A
11 cf
(2-door type)
MB Baking Model / 40-50℃ / 1%RH Low Temperature / Low Humidity Bake-Out
*MB model doesn't have cooling function.
Specifications (Note: Specifications are subject to change due to product improvement.)
49.0W x 30.3D x 78.1H (in) 20.7W x 25.6D x 54.9H (in)
45.3W x 19.5D x 60.2H (in)
Approx. 43 Cu Feet
(1200 Liters)
AC120V (50/60Hz) MAX 1200W
(Heating unit 660W)
5 Shelves, Locks, RH meter,
Caster, Ground terminal
Accessories
Electrical
Requirement
External
Dimentions
MODEL
ITEM MB-1001A MB-301A
Internal
Dimentions
Capacity
Drying Unit
Material
Doors
(Magnetic)
Color
Weight
5 Shelves, Locks, RH meter,
Caster, Ground terminal
AC120V (50/60Hz) MAX 650W
(Heating unit 350W)
Approx. 440 lbs. (200 kgs.) Approx. 154 lbs. (70 kgs.)
6 doors with glass windows 2 doors with glass windows
USF-7200 X 2
High-grade steel construction
with ESD-safe and Anti corrosion coating
Silver Ivory
USF-4000
Approx. 11 Cu Feet
(310 Liters)
18.1W x 20.3D x 40.8H (in)
By utilizing low temperature and low humidity
baking, this model conforms to the IPC-J-STD
033D specifications. It may be possible to reset
the floor life of IC packages in tape and reel.
The versatile system also acts as a normal dry
cabinet when not in baking mode.
Features:
1. Ultra-powerful rapid drying unit.
2. Digital humidity meter with larger
display panel.
3. 1 MΩ ground terminal.
4. Shelf load capacity
MB-1001A: 220lbs.(100kgs.)
MB-301A: 110lbs.(50kgs)
5. Complies with the IPC/JEDEC.
6. Electrostatic discharge (ESD)
complies with IEC 61340-5-1.
9. 8
MCU-201A
4.8 cf
(1-door type)
MCU-301A
11 cf
(2-door type)
MCU-340A
11 cf
(2-door type)
MCU-580A
18.5 cf
(2-door type)
Door Opening / Closing: Once every 0.5 - 2hrs
MCU Model / 1%RH
Features:
1. Can maintain an RH level of 1%.
2. Equipped with a digital RH Meter.
3. Locking Doors.
4. Adjustable shelves.
5. Loading capacity
MCU-201A, 301A, 401A, 340A, 580A:
110 lbs (50 kgs)
6. Grounded to prevent static electricity.
Specifications (Note: Specifications are subject to change due to product improvement.)
MODEL
ITEM MCU-201A MCU-301A MCU-401A MCU-340A MCU-580A
External
Dimensions
Internal
Dimensions
Capacity
Dry Unit
Material
Color
Doors
(Magnetic)
Electrical
Requirement
Accessories
Included
19.7W x 21.0D x 24.8H (in) 19.7W x 24.8D x 47.3H (in) 19.7W x 24.8D x 61.0H (in) 34.6W x 18.2D x 38.6H (in) 34.6W x 30.0D x 38.6H(in)
18.9W x 19.6D x 21.5H (in) 18.9W x 23.6D x 43.2H (in) 18.9W x 23.6D x 56.2H (in) 33.9W x 16.7D x 33.1H (in) 34.0W x 28.7D x 33.0H(in)
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4.8 Cu Feet (135 Liters) 11 Cu Feet (310 Liters) 14 Cu Feet (400 Liters) 11 Cu Feet (300 Liters) 18.5 Cu Feet (520 Liters)
USF-3200 USF-4000 USF-4000 USF-4000 US-5000F
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with glass window with glass windows with glass windows with glass windows with glass windows
Approx 66 lbs. (30 kgs.) Approx 132 lbs. (60 kgs.
) Approx 154 lbs. (70 kgs.) Approx 128 lbs. (58 kgs.) Approx 176 lbs. (80 kgs.)
AC 120V (50/60Hz) AC 120V (50/60Hz) AC 120V (50/60Hz) AC 120V (50/60Hz) AC 120V (50/60Hz)
20W/h Max 155W 25W/h Max 240W 25W/h Max 240W 25W/h Max 240W 28W/h Max 350W
Weight
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
4 shelves, Locks, RH meter,
Ground terminal
8 shelves, Locks, RH meter,
Ground terminal
8 shelves, Locks, RH meter,
Ground terminal
3 shelves, Locks, RH meter,
Ground terminal
3 shelves, Locks, RH meter,
Ground terminal
MCU-401A
14 cf
(3-door type)
10. 11
Feeder Storage Cabinet/ 1%RH
Feeder Cart Storage cabinet/ 1%RH
DXU-580AF
(2-door type)
Mechanical Tape Feeder
Storage
34.6W x 47.2D x 52.1H (in)
32.7W x 43.3D x 31.1H (in) 32.7W x 43.3D x 37.6H (in)
34.6W x 47.2D x 63.0H (in)
MODEL
ITEM
Approx. 31.8 Cu Feet
(900 Liters)
Approx. 32.9 Cu Feet
(932 Liters)
US-5000F X 2
AC120V (50/60Hz) 56W/h (MAX 700W)
Locks, RH meter, Caster, Ground terminal
Accessories
Electrical Requirement
External Dimentions
DXU-580SF DXU-580AF
Internal Dimentions
Capacity
Drying Unit
Material
Doors (Magnetic)
Color
Weight Approx. 440 lbs. (200 kgs.) Approx. 529 lbs. (240 kgs.)
2 doors with glass windows
High-grade steel construction
with ESD-safe and Anti corrosion coating
Silver
51.2W x 49.4D x 77.6H (in)
44.9W x 39.4D x 70.9H (in)
MODEL
ITEM
Approx. 103 Cu Feet (2900 Liters)
USK-6000 X 3
AC120V (50/60Hz)
135W/h (MAX 700W)
1 shelf, Locks, RH meter
DXU-2900
Accessories
Electrical Requirement
External Dimentions
Internal Dimentions
Capacity
Drying Unit
Material
Doors (Magnetic)
Color
Weight Approx. 1168 lbs. (530 kgs.)
2 doors with glass windows
High-grade steel construction
with ESD-safe and Anti corrosion coating
Silver
Features:
1. The entire feeder cart can be stored.
2. Feeder cart storage max prevent feeder connection errors and reduce down time.
3. Also features additonal shelves for trays allowing and tape reels to be stored
along with the feeder wagon.
Specifications (Note: Specifications are subject to change due to product improvement.)
Specifications (Note: Specifications are subject to change due to product improvement.)
DXU-2900
103 cf
(2-door type)
Feeder Cart
(Storage Item)
DXU-580SF
(2-door type)
Electric Tape Feeder
Storage
11. 10
Feeder Bank & Large Depth Cabinet / 1%RH
Specifications (Note: Specifications are subject to change due to product improvement.)
MODEL
ITEM DXU-1002-1000A
External
Dimensions
Internal
Dimensions
Capacity
Dry Unit
Material
Color
Doors
(Magnetic)
Electrical Requirement
Accessories Included
47.2W x 41.3D x 72.8H (in) 47.2W x 37.4D x 72.8H (in)
46.0W x 38.6D x 62.7H (in) 46.0W x 34.7D x 62.7H (in)
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67.1 Cu Feet (1900 Liters) 56.5 Cu Feet (1600 Liters)
USF-7200 x 2 USF-7200 x 2
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with glass windows with glass windows
Approx 594 lbs. (270 kgs.) Approx 551 lbs. (250 kgs.)
AC 120V (50/60Hz) 57 W/n Max 500W AC 120V (50/60Hz) 57 W/n Max 500W
Weight
DXU-1002LA
High-grade steel construction
with ESD-safe and Anti corrosion coating
High-grade steel construction
with ESD-safe and Anti corrosion coating
5 shelves, Locks, RH meter,
Caster,Ground terminal
5 shelves, Locks, RH meter,
Caster,Ground terminal
Tape feeder
Tape feeder with the tape
reels can be stored in
these cabinets.
Features:
1. Can maintain an RH level of 1%.
2. Equipped with a digital RH Meter.
3. Locking Doors.
4. Shelves are adjustable and can hold
220lbs. (100 kgs)
5. Grounded to prevent static electricity.
DXU-
1002-1000A
67.1 cf
(2-door type)
DXU-1002LA
56.5 cf
(4-door type)
12. 12
Hygrometer with alarm Data logger Reel rack
Alarm lamp is triggered when the hu-
midity exceeds the set parameters.
Humidity data is recorded at all times. A variety of tape reels can be stored efficiently.
N2 socket Flow meter Shelves (Steel Stainless)
Nitrogen purge is available. This flow meter can
measure and
control N2 flow
Additional shelves can be purchased for
all models. Stainless steel shelves are
also available.
ESD Caster Wheels Adjustor Sliding shelf
ESD-safe casters are available for the
MCU type as an option.
(DXU type equipped with this caster as standard)
Adjusts the height of the cabinet. With the sliding shelf, picking up the
stored items become easily.
Tower Light Wrist strap
The tower light flashes when humidity goes
over the level set using the hygrometer
with alarm.
Promptly diffuses static
electricity away
from the cabinet.
Optional Parts for McDry
ERC Co., Ltd.
#402 OHYA BILD. 3-16-11 SAGAMIOHNO, MINAMI-KU,
SAGAMIHARA-shi,KANAGAWA, 252-0303 JAPAN
TEL:+81-42-749-9751 FAX:+81-42-744-2521
www.mcdry.us
SEIKA MACHINERY, INC.
21241 S. Western Ave, Suite 140, Torrance, CA 90501
TEL. 310-540-7310 FAX. 310-540-7930
VISIT OUR WEB SITE
www.seikausa.com
Agent