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🛡️ Stay ahead of danger with Guard-101 — your invisible safety net!
The TopTes Guard-101 is a professional-grade 4-gas detector engineered for rapid detection of hazardous gases (H2S, CO, LEL, O2). Featuring a robust explosion-proof design, triple alarm modes (visual, audible, vibration), and a 14-hour battery life, it ensures continuous, reliable monitoring in industrial, home, and emergency settings. Certified for safety and equipped with data storage, it’s the essential tool for proactive gas hazard management.










| ASIN | B0D7C8BJL1 |
| Best Sellers Rank | #14,699 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Gas Detectors & Alarms |
| Brand | TOPTES |
| Built-In Media | 1x Guard-101 4 in 1 Gas Detector 1x Packaging Box 1x User Manual 1x Charging Cable 1x Standard Gas Hood |
| Color | Orange |
| Customer Reviews | 4.3 4.3 out of 5 stars (287) |
| Item Weight | 0.6 Kilograms |
| Manufacturer | TOPTES |
| Manufacturer Warranty Description | We provide a 36-Month after-sale service |
| Model Number | Guard-101 |
| Power Source | Battery Powered |
| Product Style | Industrial |
| Unit Count | 1.0 Count |
K**K
Work as advertised
I got this for home use for when I go under my house. I thought I smelled gas. It works great. For the price is well worth having around the house before you call the fire department. I highly recommend this.
L**.
Saved Granmmie's life!
I kept smelling gas at my Grandmother's house. I could smell it but Grammie couldnt. I called the gas company because this gas meter kept alarming. The gas company's detector wasn't picking up the gas and the gas technician couldn't smell it either. I kept insisting there was gas. This gas meter helped me convince the gas technician to keep searching for the leak. He finally found it and Grammie's house didnt blow up. Very thankful!
M**R
Works right out of the box
Worked right out of the box. Put it in front of my truck exhaust and it sounded a CO alarms immediately. Breathed into it and sound a O2 less than 20% alarm. I won't be so nervous in confined spaces.
J**T
Good but not perfect
Worked as it should just would’ve liked it to have been a little more sensitive. I had the gas company out and they found a leak that this did not they have a better detector.
I**A
Lo recomiendo
Muy buen detector
M**X
Safety first
Keep me safe on the oilfield
G**Y
didn't last
Was great for 2 months, I used it for maybe 10 days total and now the O2 sensor won't read above 9%... disappointing. I've looked on the Toptes website and see no info on whether or not the unit can be sent in for calibration
S**O
Low cost monitor but actually not too bad
Part of my job is training new individuals for confined space. New individuals are often unsure of what they are doing. I wanted an air monitor that would work but also be expendible if the trainee would drop it or it would get misplaced in traveling to and from locations. I compared this unit to my name brand ones costing 5 to 10 times more expensive. Its actually significantly more accurate than i would have expected. I would actually reccomend this unit. Its a great value for a first air monitor. It was very easy to used and battery last forever.
M**.
Use this in mines, caves, tunnels etc. Good piece of kit. Feel safe with this
C**N
Bon détecteur multi gaz
R**E
Bewertung: Der TopTes Guard-101 Gasmelder macht einen sehr hochwertigen und zuverlässigen Eindruck. Besonders überzeugend ist die gleichzeitige Überwachung von H2S, CO, brennbaren Gasen (LEL) und Sauerstoff (O₂) – das gibt ein hohes Sicherheitsgefühl, egal ob im beruflichen Einsatz oder privat. Die Alarmfunktionen sind hervorragend umgesetzt: Ton, Licht und Vibration sind klar wahrnehmbar und lassen keine Zweifel, wenn etwas nicht stimmt. Gerade in lauten Umgebungen ist die Vibrationsfunktion ein großes Plus. Die Messwerte werden gut ablesbar angezeigt und reagieren schnell. Auch die Akkulaufzeit von rund 14 Stunden ist praxisnah und ausreichend für lange Arbeitstage. Das robuste, explosionsgeschützte Gehäuse wirkt stabil und langlebig, die auffällige orange Farbe sorgt dafür, dass man das Gerät nicht so leicht verlegt. Fazit: Ein professioneller, zuverlässiger und einfach zu bedienender Gasmelder mit umfangreichen Sicherheitsfunktionen. Sehr gutes Preis-Leistungs-Verhältnis und klare Kaufempfehlung 👍
A**I
Works excellent. High quality gas detector! It detects when my elderly neighbor doesn't turn off her oven! Im adding photos of the manual, since the listing isnt too descriptive. Comes with hard case.
A**A
solocitamos la certificacion de los detectores y no la pueden dar. Tuvimos que hacer esta certificacion con un gtercero, con muchas limitantes, porque no se puede ingresar al sistema del equipo, dique por "Porteccion"
Trustpilot
1 month ago
4 days ago