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Description
Grove - Multichannel Gas Sensor v2Worried about not recognizing the gas around your workplace or other surroundings and environment? Here comes the excellent solutions we offer! Grove Multichannel Gas Sensor V2 has 4 measuring units, each of them is sensitive to various kinds of gases, which means you are able to get four sets of data at the same time. And different sorts of gases can also be judged by these four sets of data. The gas sensor used in this module is based on MEMS
Worried about not recognizing the gas around your workplace or other surroundings and environment? Here comes the excellent solutions we offer! Grove - Multichannel Gas Sensor V2 has 4 measuring units, each of them is sensitive to various kinds of gases, which means you are able to get four sets of data at the same time. And different sorts of gases can also be judged by these four sets of data. The gas sensor used in this module is based on MEMS technology and has the advantage of being in a small size with considerable measurement stability and is more suitable for qualitative than quantitative measurement.
Features
- Four fully independent sensor elements on one package.
- The ability to detect a variety of gases, besides Carbon monoxide (CO), Nitrogen dioxide (NO2), Ethyl alcohol(C2H5CH), Volatile Organic Compounds (VOC) and etc.
- Qualitative detecting, rather than quantitative.
- Compact size for easy deployment.
Specifications
| MCU | STM32F030 |
|---|---|
| Interface | 0x55 |
| I2C address | 3.3V~5V |
| Onboard Gas Sensors | GM-102B; GM-302B; GM-502B; GM-702B |
Note
Before using it, the sensor needs to be preheated to achieve the internal chemical balance. The preheat voltage is consistent with its heating voltage VH. And the storage time and corresponding warm-up time are recommended as follows:
How Does Storage Time Affect The Recommended Warm-Up Time of This Sensor?
| Storage time | Recommended warm-up time |
|---|---|
| Less than 1 month | No less than 24 hrs |
| 1-6 months | No less than 48 hrs |
| Over 6 months | No less than 72 hrs |
Precautions
- The module should avoid being placed in the volatile silicon compound steam, or it will cause the sensitivity to be reduced permanently.
- The module should avoid being exposed to high concentrations of corrosive gases (such as H2S, SOX, Cl2, HCl, etc.), otherwise, it will be irreversibly damaged.
- The module should not be placed in water or ice.
- After the module is powered on, the sensor will heat up to a certain degree during the process, which is a normal phenomenon.
- Users MUST preheat the module before starting to measure gases, see table for information.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Sharp Fit & Great Quality
Size: Medium, Color: Red
Great suit — fits well and looks even better in person.
The material feels high quality, the cut is clean, and it gives a sharp, professional look. Perfect for business settings, meetings, or any occasion where you want to stand out.
Definitely a solid choice if you’re looking for style and confidence at a great value.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
WULFUL Men's 3 Piece Slim Fit Suit Set - Elevate Your Style with Timeless Sophistication
Size: XX-Large, Color: Navy
The WULFUL Men's 3 Piece Slim Fit Suit Set has exceeded expectations, delivering a perfect blend of modern elegance, impeccable tailoring, and versatile style. This review reflects my positive experience with this distinguished suit ensemble.
Fit and Tailoring:
The slim fit design of the suit strikes a harmonious balance between a tailored silhouette and comfortable wear. The jacket, pants, and vest are expertly tailored, accentuating the body's natural lines without feeling restrictive. The attention to detail in the stitching and construction speaks volumes about the quality craftsmanship.
Fabric and Comfort:
Crafted from high-quality materials, the fabric of the suit feels luxurious against the skin. The breathable and lightweight nature ensures comfort throughout the day, making it suitable for a range of occasions. Whether worn for business meetings, special events, or formal gatherings, the suit maintains a comfortable and polished feel.
Timeless Style:
The classic design of the suit exudes timeless style, making it a versatile addition to any wardrobe. The subtle details, such as the notched lapel, welted pockets, and single-breasted closure, contribute to the overall sophistication. The suit effortlessly transitions from formal occasions to semi-formal events, showcasing its adaptability.
Versatility:
The versatility of this 3-piece suit set is a standout feature. The jacket, vest, and pants can be worn together for a complete formal look or styled separately for a more casual ensemble. This adaptability adds value to the suit set, allowing for a range of outfit options tailored to different occasions.
Attention to Detail:
WULFUL has demonstrated a keen eye for detail in the design and construction of this suit set. From the carefully aligned patterns to the precise tailoring of pockets and seams, the meticulous attention to detail elevates the overall aesthetic. The suit exudes a polished and refined appearance, suitable for any discerning gentleman.
Affordability and Value:
Considering the exceptional quality, craftsmanship, and timeless style, the affordability of the WULFUL Men's 3 Piece Slim Fit Suit Set is noteworthy. The set offers remarkable value for its price, making it an accessible option for individuals seeking a sophisticated wardrobe staple without compromising on quality.
Overall Impression:
In conclusion, the WULFUL Men's 3 Piece Slim Fit Suit Set has earned its place as a wardrobe essential. With its impeccable fit, luxurious fabric, timeless style, versatility, attention to detail, and affordable pricing, this suit set stands out as a stellar choice for those who appreciate both classic elegance and modern refinement. Elevate your style effortlessly with WULFUL, where sophistication meets affordability in a tailored masterpiece. Highly recommended for anyone seeking a distinguished and versatile suit ensemble!
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Reviewed in the United States on March 7, 2024
★★★★★ 5
Affordable and classy
Size: Medium, Color: Light Brown, Size: Medium, Color: Light Brown
I have five stars even if the best was a little short. I have a tall boy and the rest is totally worth the money. Fit was as marked aside from vest which is higher on the chest than necessary. It was comfortable for him and durable. Gonna keep for any need in the future. He wore it to prom and it was awesome.
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Reviewed in the United States on May 19, 2026
★★★★★ 4
3 piece suit at a great price
Size: Small, Color: Black
My son needed a suit, and these worked out great. It looks nice. Don't just assume the size, go by their size chart. I was going to order him a medium, by the chart recommended a small, and it fit perfect. The material doesn't look like an expensive suit but it worked out great for him.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Fits so good and looks really niceeee
Size: Small, Color: White
Really nice suit. Looks super nice and high quality. Would purchase again.
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Reviewed in the United States on May 18, 2026