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Description
WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration AlarmFeatures 1. Color screen display, user friendly interface. 2. Bilingual choices: Chinese English. 3. Three alarm forms: sound light vibration . 4. Data recording and review function, continuously record 5. 120,000 data logging. 6. Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1. Combustible gas LEL %LEL 2. Oxygen O2 %VOL 3. Hydrogen sulfide H2S mol mol 4. Carbon Monoxide CO mol mol Range: 1. Combustible gas LEL:
Features1.Color-screen display, user-friendly interface.
2.Bilingual choices:Chinese/English.
3.Three alarm forms:sound/light/vibration .
4.Data recording and review function, continuously record
5.120,000 data logging.
6.Charging function.
Specification
Compound Gas Monitor Range
Measuring item and Unit
1.Combustible gas LEL %LEL
2.Oxygen O2 %VOL
3.Hydrogen sulfide H2S μmol/mol
4.Carbon Monoxide CO μmol/mol
Range:
1.Combustible gas LEL: 0~100
2.Oxygen O2 : 0~30
3.Hydrogen sulfide H2S:0~100
4.Carbon Monoxide CO :0~1000
Resolution
1.Combustible gas LEL: 0.1
2.Oxygen O2 : 0.1
3.Hydrogen sulfide H2S:0.1
4.Carbon Monoxide CO :1
Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.
When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%
Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm
Response Time(90%): Less than 30 seconds
Alarm: Sound and light vibration alarm
Alarm Point: Adjustable
Working Voltage: DC3.7V, 1800mAh
Battery Model: LP103450-1800mAh rechargeable lithium battery
Explosion-proof Certificate NO.: CNEx 18.5122
Explosion-proof Mark: Ex ib IIB T3 Gb
Operating Conditions: -20～50℃ / -4～122℉, < 95%
Storage Conditions: -10～55℃ / 14～122℉, < 85%
charging time:6-8h
standby time:more than 8h on end (slightly change with working state)
Item Size: 71 * 153* 49mm
Package included
1 * Carbon Monoxide Monitor
1 * Plastic Pipe
1 * USB Cable
1 * Gas Calibration Cover
1 * Storage Box
1 * User Manual
Specification:
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| Package Weight |
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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
4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Men’s Dresser/night stand jewelry tray
Color: Black
This night stand/dresser jewelry tray is perfect to hold men’s wallet, keys, change, watch, jewelry and a section for cell phone with a cut out for charging cable. Heavy weight and sturdy. A quality piece.
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Reviewed in the United States on December 15, 2024
★★★★★ 5
Great purchase!
Color: AllBlack
Thai watch box is great!! Very glassy looking and holds a lot. Definitely happy with my purchase!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
It's just perfect!!!
Color: Black, Color: Black
I looked at all of the different watch box cases and I am so glad that I chose this one! It is well made and looks more expensive than it was. I love that I can see everything at once instead of having to open drawers to only glimpse at some of my stash. I bought this for my 20 watches and even though I can't fit my small wrist watches on the pillow because this is made for a man's watch, it really doesn't bother me. It's easier to take out a watch or put it back. It really freed up a ton of space in my jewelry cabinet for my jewelry! Love it!!!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Good case
Color: Black
Great watch case. Fits all my 43mm-48mm watches. Any bigger they will run against each other. But altogether a solid purchase.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Men’s Watch Box w/24 Slot Display
Color: AllBlack, Color: AllBlack
This mens watch box looks amazing, and nicely fits 24 watches without worrying about damage to the other watches. Each slot has its own location, and not need to worry about the watches rubbing up against each other.
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Reviewed in the United States on May 11, 2026