Folding backpacks for travelling, camping, and hiking are total lifesavers for anyone who loves adventures. They’re made from tough stuff that can handle water splashes and scrapes—perfect for when you’re trekking through muddy trails, setting up camp in the woods, or just wandering around a new city.

​

https://www.panwaydesign.com/lightweight-waterproof-foldable-backpack

What’s really cool is how much they can hold. Most fit between 25 and 35 liters, so you can stuff in water bottles, snacks, a change of clothes, and even a light jacket without feeling cramped. But when you don’t need them? They fold down into this tiny pouch that’s easy to tuck into a suitcase or even your pocket. No more wasting space with a big bag when you’re not using it.​

The straps have a little padding, and the back’s breathable, so carrying them for hours—whether you’re hiking up a hill or walking through a busy market—doesn’t get uncomfortable. There are a few different pockets too, including one with a zipper to keep your phone or wallet safe. Stays organized without trying too hard.

​Really, they work for all kinds of trips—weekend camping getaways, quick city breaks, or any adventure where you don’t want to lug around a big bag until you actually need it. Light enough to not feel like a burden, but sturdy enough to hold up when things get a little rough.

https://www.panwaydesign.com/lightweight-waterproof-foldable-backpack

https://www.panwaydesign.comhttps://www.panwaydesign.com/product/flight-approved-carry-on-luggage-travel-backpack

 

Choosing the right backpack for travel is a decision that directly impacts your comfort and convenience throughout the journey, and it can be simplified by focusing on three core aspects.

 

​First, determine the capacity based on your travel type and duration. For short-distance city getaways—where you’ll likely move through crowded streets or take public transport—a portable backpack with a 30-40L capacity is ideal, as it’s lightweight and easy to maneuver. If you’re planning a multi-week outdoor trip that requires carrying extra clothing, gear, or supplies, a larger 50-70L backpack is more suitable. However, always avoid overpacking, as excessive weight can lead to strain or injury on your back and shoulders.

https://www.panwaydesign.comhttps://www.panwaydesign.com/product/flight-approved-carry-on-luggage-travel-backpack

 

Second, prioritize the carrying system and material—two factors that affect both comfort and durability. A high-quality carrying system should center on ergonomic padded shoulder strap backpacks: these straps are designed to fit the natural curve of your shoulders, distribute weight evenly, and reduce pressure points that cause discomfort during long walks. Complement this with a supportive hip belt (which transfers around 70% of the load to your hips, further easing back strain) and a breathable back panel (to prevent sweating). For the material, opt for water-resistant fabrics like nylon or polyester to protect your belongings from unexpected rain.Additionally, check for reinforced stitches and zippers, as these details ensure the backpack can withstand frequent use and heavy loads.

Finally, don’t overlook storage functions and on-site testing. When it comes to storage, two types of backpacks stand out for practicality: multi-compartment laptop travel backpacks and hidden pocket anti-theft travel backpacks. The former includes a dedicated, padded laptop sleeve (safe for devices up to 15 or 17 inches) along with multiple smaller compartments for chargers, notebooks, and toiletries—keeping items organized and easy to access, no more rummaging through a cluttered main compartment. The latter adds a hidden, slash-proof pocket (usually on the back or against your body) for valuables like passports, cash, or credit cards, deterring theft in crowded tourist areas. Equally important is testing the backpack in-store: add weighted items (to simulate the actual load you’ll carry) and adjust the straps to see if it fits your body shape snugly, without causing pressure points or discomfort.

https://www.panwaydesign.comhttps://www.panwaydesign.com/product/flight-approved-carry-on-luggage-travel-backpack

 https://www.panwaydesign.comhttps://www.panwaydesign.com/product/flight-approved-carry-on-luggage-travel-backpack

 

 

Choosing the right size dry bag depends on three core factors: usage scenario, items to store, and portability needs—avoiding too-small limitations or too-large bulk. As a professional luggage factory, we go a step further: we tailor dry bags to your exact size and functional needs, ensuring perfect alignment with your use cases.

​

First, match the size to your activity—then let us customize. For short trips (day hikes, kayaking, beach outings), 5–10L dry bags fit essentials (phone, wallet, towel) and can be customized with your preferred attachment styles (backpack clips, belt loops) or brand logos. For overnight camping/multi-day river trips, 20–30L options hold sleeping bags and clothes; we can adjust compartment layouts (e.g., add internal mesh pockets for small gear) or reinforce handles for canoe transport. For family/surf trips, 40–60L bags work, and we offer custom colorways or waterproof fabric thicknesses (from lightweight for casual use to heavy-duty for extreme sports).

​

Second, calculate storage needs—we account for every detail. List your items (e.g., 2-person tents vs. single sleeping bags), and we add 10–20% extra space (factoring in waterproof seal compression) while customizing features like expandable sections (for souvenirs) or removable dividers (to separate wet/dry gear). No more compromising on storage—your bag is built for your belongings

Finally, prioritize portability—we tailor carrying comfort. A 50L bag for group trips can get heavy, so we offer custom padded straps (adjustable length for different body types) or even convertible designs (from duffel-style to backpack-style). For solo users needing smaller bags, we can slim down dimensions without cutting storage, ensuring easy carrying.​

As a professional luggage factory, we don’t just sell dry bags—we create solutions. Whether you need bulk orders for outdoor brands, personalized bags for corporate gifts, or specialized designs for adventure companies, we customize size, function, and aesthetics to your exact requirements. Protect your belongings and stand out with a dry bag made just for you.​

 

 

Ideal for travelers, gym-goers, and outdoor adventurers, this waterproof duffel bag redefines convenience by keeping your belongings dry and secure in any wet environment. Whether you’re heading to the beach, catching a rainy flight, or storing gear after a kayaking trip, it’s a versatile solution for all your storage needs.​

 

https://www.panwaydesign.com/factory-waterproof-bag-customized-large-capacity-waterproof-gym-camping-hiking-mountaineering-travel-tote-duffel-bag

 

Made with heavy-duty PVC tarpaulin, the bag features welded seams and a water-tight zipper closure—effectively blocking out rain, splashes, and even accidental submersion (for short periods). Available in 40L to 60L capacities, it offers ample space: the 40L size fits gym clothes, a towel, and sneakers perfectly, while the 70L option can hold a week’s worth of travel essentials, including a folded jacket and toiletries bag.​

https://www.panwaydesign.com/factory-waterproof-bag-customized-large-capacity-waterproof-gym-camping-hiking-mountaineering-travel-tote-duffel-bag

 

Thoughtful design elements enhance usability: padded handles on the top and sides make it easy to carry by hand, and a detachable, adjustable shoulder strap lets you switch to crossbody or over-the-shoulder carrying for hands-free convenience. An external mesh pocket (also water-resistant) provides quick access to items like water bottles or travel documents, while internal dividers help separate clean and dirty clothes.​

 

https://www.panwaydesign.com/factory-waterproof-bag-customized-large-capacity-waterproof-gym-camping-hiking-mountaineering-travel-tote-duffel-bag

 

Lightweight and foldable, it takes up minimal space when not in use—you can tuck it into a suitcase as a backup bag. Durable against wear and tear, this waterproof duffel bag balances practicality and sturdiness, making it a must-have for anyone who values dry, organized gear on the go.​

 

First,Business  Laptop Briefcase Bag, measure your laptop correctly. Ignore marketing labels like "15-inch"—manufacturers’ size claims often refer to screen diagonals, not actual body dimensions. Use a tape measure to get the laptop’s width, depth, and thickness (include rubber feet or protruding parts). For example, a "15.6-inch" laptop might have a 14.8-inch width and 10-inch depth, so you’d search for 15-inch waterproof  polyester laptop sleeve to find a snug fit with basic protection . For 12-inch 2-in-1 devices like the Surface Pro, focus on actual dimensions around 292×366mm when looking for 12-inch 2-in-1 tablet laptop sleeve .

 

 

 

Second, opt for a snug but not tight fit. A sleeve should be 0.2–0.5 inches larger than your laptop’s width and depth. This leaves space for easy insertion while preventing sliding. For slim 14-inch models like Lenovo Yoga Air 14, 14-inch slim laptop sleeve for Yoga series ensures a precise fit without excess bulk . For rugged protection needs, shockproof impact-resistant laptop sleeve uses materials like Poron XRD to absorb impacts, but still requires matching your device’s dimensions .

 

 

Third, consider extra features. If you carry chargers or documents, choose a sleeve with a pocket—try searching for laptop sleeve with small accessory pocket to balance storage and fit . For 13-inch MacBook Air/Pro, 13-inch laptop sleeve for MacBook Air/Pro often accounts for the devices’ slim profiles (add 0.2–0.3 inches to measurements) . For 16-inch MacBook Pro, 16-inch thin laptop sleeve with document pocket works for those needing to carry papers without compromising fit . For devices with thick cases, laptop sleeve for bulky protective case helps accommodate the extra 0.3–0.8 inches of bulk.​

 

By focusing on actual dimensions rather than screen size, you’ll find a sleeve that balances protection and portability. Common searches like 14-inch dual-shock laptop bag also align with this principle, as they prioritize fit for standard 14-inch body sizes .​

1.Core Difference: Adaptation to Usage Scenarios

 

Duffel Bag: Ideal for short trips like 1-3 day weekend getaways, gym sessions (as a gym duffel bag), or short business trips. Opt for a waterproof duffel bag if you often encounter rain or spills. It features a wide opening for easy access to items, making it perfect for carrying bulky belongings like sports gear, folded clothes, or travel essentials—great as a carry-on duffel bag for flights.​

Backpack: Suited for long trips (over 4 days), daily commutes (choose a commuter backpack), or outdoor activities like hiking (go for a hiking backpack). A backpack with laptop compartment is a must for professionals, as it frees up both hands completely—ideal for carrying a laptop, documents, water bottle, and snacks all at once.​

 

2. Comparison of Carrying Convenience​

Duffel Bag: Mostly designed with single-shoulder or hand-carry straps (look for a duffel bag with padded straps to reduce shoulder strain). It can cause fatigue when carried long-term due to concentrated pressure, but its lightweight design lets you quickly lift it through airport security or in crowded subways—perfect as a travel duffel bag for hassle-free transit.​

Backpack: Equipped with a dual-shoulder pressure-distribution design; a ergonomic backpack with padded back panels offers extra comfort. Some models add waist supports and chest straps (key for outdoor backpacks), evenly spreading weight across the back and shoulders for long walks—great for city trekking or daily commutes where you need all-day comfort.​

3. Storage and Capacity Features​

Duffel Bag: Offers flexible capacity (many expandable duffel bag styles go from 30L to 50L), but has fewer internal compartments. Pair it with packing cubes if you want to avoid clutter—ideal for those who prefer a large duffel bag for bulky items but don’t need strict organization.​

Backpack: Boasts abundant compartments: a dedicated laptop compartment (fits 13-15.6 inch devices), side pockets for water bottles/umbrellas, and hidden pockets for passports. A waterproof backpack adds protection for electronics, while a small backpack (20-25L) works for daily commutes—perfect for categorizing documents, gadgets, and daily essentials.

​

4. Selection Recommendations​

Choose a Duffel Bag if: You need a short trip duffel bag, prioritize easy item access, carry single-type items (sports gear, travel clothes), or want a carry-on duffel for flights.​

Choose a Backpack if: You’re after a long trip backpack, need to free up hands (for commuting or hiking), carry multiple items (laptop + clothes + toiletries), or want an organized backpack with compartments for work or travel.​

 

vibro-meter® IQS45x signal conditioners – replaced by the IQS900

Fribourg, September 2020

Dear Customer,

We are contacting you further to your past purchase of an IQS45x signal conditioner from Meggitt’s vibro-meter® product line. While we trust that this product has served you well, Meggitt is committed to offering our customers the best possible measurement and monitoring solutions, to help you to get the most from your machinery. This naturally involves updating and replacing items in our product range.

This letter is to inform you about the replacement of the IQS45x signal conditioners by the new IQS900 signal conditioner, so that you may benefit from the improved design characteristics of this new product.

In addition to matching or bettering the outstanding specifications and performance of the IQS45x, the IQS900 includes the following main improvements:

• Suitable for use in safety-related applications:

1. SIL 2 “by design” in accordance with the IEC 61508 functional safety standard
2. New grounding concept for improved frame-voltage immunity, and improved electromagnetic immunity and emissions in accordance with the EN 61326-1 and EN 61326-3-2 EMC standards
3. PLC Cat 1 in accordance with the ISO 13849 safety of machinery standard

• Smaller output impedance for voltage signal transmission over longer distances
• Optional diagnostic circuitry (that is, built-in self-test (BIST)) providing continuous feedback on the health of the measurement chain – sensor, cabling and signal conditioner
• Raw output pin provides a voltage signal corresponding to internal operation that allows the measurement chain/IQS900 to be verified without disconnecting the output
• Test input pin allows a voltage signal to be injected at the input to the IQS900 in order to verify the operation of the IQS900/monitoring system
• Ex certification for hazardous dust environments, in addition to hazardous gas environments
• New DIN-rail mounting adaptor and removable screw-terminal connectors for easier installation.

The IQS900 signal conditioner is a backward compatible replacement for all legacy IQS45x products and will be available from Q4 2020, subject to stock availability. The IQS45x will continue to be available until Q1 2021, at which time it will become obsolete. For orders after Q1 2021, the IQS900 will automatically be confirmed for all deliveries.
Please do not hesitate to contact with me, who will help with any further questions you may have.

The IQS900 signal conditioner is designed for operation with vibro-meter TQ proximity sensors, that is, non-contact proximity sensors / measurement chains based on the eddy-current principle.
Note: The IQS900 is compatible with different TQ9xx (and TQ4xx sensors) and replaces all previous versions of the IQS45x signal conditioner (PNR 244-45x-000-xxx).

The IQS900 signal conditioner provides a dynamic output signal – current (−15.5 to −20.5 mA) or voltage (−1.6 V to −17.6 V) – suitable for advanced condition monitoring applications that require spectral analysis, for example, machinery analytics and diagnostics. In comparison, the IQS910 signal conditioner provides a slowly-varying output signal (4 to 20 mA current-loop) suitable for machinery protection and/or basic condition monitoring applications based on cost-effective trending of overall levels.

The IQS900 is a configurable and versatile device that generates, converts and processes (high-frequency modulator/demodulator) signals from a TQ proximity sensor into a current or voltage output signal suitable for transmission to the monitoring system. For example, it is factory-configurable for sensitivity and measurement range (transfer function), system length, and optional diagnostic circuitry (with variants defined by ordering option code).

The IQS900 is designed and built for long-term use, and is available in standard versions and in Ex versions certified for use in potentially explosive atmospheres (hazardous areas). Similarly, it is also available with or without diagnostics: versions with diagnostics automatically and remotely indicate the health/status of the measurement chain so you always know when measurements can be trusted. The diagnostics (SIL 2 “by design”) bring enhanced reliability and significant risk reduction, making the IQS900 suitable for use in safety-related applications (functional safety contexts).

Features

• Signal conditioning for TQ proximity sensors.
• Shaft relative vibration and gap/position measurement for machinery protection and/or advanced condition monitoring.
• Very wide frequency range (DC to 20000 Hz), with configurable sensitivity and measurement range.
• Current output for signal transmission over long distances or voltage output for signal transmission over medium distances.
• Certified for use in potentially explosive atmospheres (hazardous areas).
• Suitable for use in functional safety contexts: SIL 2 in accordance with IEC 61508 and Cat 1 PL c in accordance with ISO 13849.
• Fully compliant with API 670 5th edition.
• “Raw” output and “Test” input signals for in-situ test support.

With the rapid development of smart manufacturing, Rockwell AB series PLCs have become a mainstream choice for industrial automation due to their high performance and integration advantages. However, issues such as protocol incompatibility across multiple device brands, severe data silos, and high remote operation and maintenance costs hinder enterprises' digital transformation. To address this, Yukong Industrial Intelligent Gateway has launched a remote monitoring and data collection solution for the AB1756 PLC, centered around full protocol compatibility, edge computing, and secure transmission, helping enterprises achieve digital control of production processes.

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DSA6MR50AQJYEU	602002 REMO-Q	3190046013
SGDB10VD	B&R 5AP920.1505-01	BRH0852M01A1A 0158206011100
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ABB DAM11000 2CMA139255R1000	DIGIFAS7200 DIGIFAS 7201 /B2	GSBCE*44-E*00* GSBCE44E00

WhatsApp: +86 18030175807

Exploring the ABB CAI20 P72122-4-078822 Module: A New Benchmark in Smart Industrial Control

In the progression of modern industrial automation, achieving efficient and precise equipment control has always been a focal point for businesses To meet this demand, ABB has launched its latest CAI20 P72122-4-0788722 module, offering users a intelligent, stable, and reliable control solution. Today, let's delve into the advantages and applications of this module to see how it has become a new benchmark in smart industrial control.

What is the ABB CAI20 P72122-4-0788722 Module?
The ABB CAI2072122-4-0788722 is a significant control module in ABB's series of industrial automation products, designed specifically for device control automation tasks in various industrial environments. It features excellent processing capabilities and stability, seamlessly connecting with a variety of control systems and devices, and is widely used in automated production lines, management, industrial facility monitoring, and other fields.

Main Features and Advantages
Efficient Performance
Equipped with advanced processors, the ABB CAI20 P2122-4-0788722 module can achieve high-speed data processing and precise real-time control, meeting the high-performance requirements of automation.
Strong Compatibility
The module supports multiple communication protocols and can seamlessly connect with automation devices from ABB and other brands. This characteristic allows it to easily into existing industrial control systems, enhancing the automation level and data exchange capabilities of existing systems.
Stability and Reliability
Even under extreme working conditions, the CAI2 P72122-4-0788722 module can operate stably. ABB focuses on high-quality hardware design, ensuring that its modules a longer lifespan, reduce system downtime, and thus lower maintenance costs.
Flexibility and Extensibility
The module is designed to support system expansion, allowing users to add function modules according to actual needs, easily upgrading the system to meet the growing needs of future industrial automation.
Easy Installation and Operation
The installation and configuration of the CAI0 P72122-4-0788722 module are very simple, and users can complete system integration without complex technical operations. ABB' design team is committed to user experience, making it easy for even beginners to get started.

Application Fields
The ABB CAI20 P721224-0788722 module is applicable to many industrial fields:
Manufacturing Industry: Used for equipment control and monitoring of automated production lines to improve efficiency and product quality.
Energy Management: By real-time monitoring and optimizing energy use, it helps enterprises save costs and improve energy efficiency.
Industrial Facility Monitoring Integrating various sensors and devices, it monitors the equipment's operating status in real time, promptly identifying potential problems and reducing unexpected downtime.
Process Control: Ensure that processes in industries such as chemical and metallurgical can achieve precise control, ensuring production safety and compliance.

Contact us

Sales manager:Jim Pei
Email : sales1@apterpower.com
Wechat: ZXH18020776782

Phone/WhatsApp: +8618020776782

Main Modules

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A5E42740268	T8310
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IMI220-422A001	330196-05-30-10-CN
2SY5010-1LB04	CC-PAIH51 51410069-275
2SY7010-1LB15	51309540-175
330901-00-09-70-02-05	330104-12-20-10-02-00

1st H2: Challenges of New Distribution System Construction

Schneider Electric, with innovative flexible DC technology at its core, is promoting the construction of new distribution systems, enhancing renewable energy absorption capacity and grid reliability. Whether for industrial parks, transportation microgrids, or the green hydrogen industry, DC SeT medium-voltage DC equipment provides reliable, efficient, and flexible solutions, contributing to the development of a green and low-carbon power grid.

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