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K Devi
Reviewed in Canada on May 7, 2025
I bought the TOPTES Guard-611 H2S Detector for a friend who works in an industry where hydrogen sulfide exposure is a risk. This portable, clip-on monitor is compact, durable, and rechargeable, lasting up to five days on a single charge. It features loud alarms, flashing LEDs, and vibrations to alert him to dangerous gas levels, and it comes in a sturdy protective case. The long battery life and easy recharging via USB are great, and it’s perfect for use in harsh work environments. My friend is thrilled with it—it’s a must-have for safety in industries like mining or agriculture. Highly recommended!
James
Reviewed in the United States on May 28, 2025
This is a very nice hydrogen sulfide detector, very important in some jobs, and even some hobbies. It is a very compact little device, that could save your life.it does seem to be very sensitive, and have a great little display with all the info easy to read out at a glance. Very lightweight, and does not get in the way while wearing it. Clips right onto your clothes, and you will forget it is there, unless it starts going off. It even comes with a very nice little case. Great product, great price, highly recommended.
Mary
Reviewed in the United States on March 3, 2025
This is a really nice high quality piece of equipment. It comes in a good case with padding, instructions, and a charging cord. I was honestly surprised by how nice it is.I work as a property manager and some of the buildings are having sewer issues so I got this to be able to have peace of mind while I investigate before hiring a contractor. It has not detected anything yet, which is great for me! I cannot attest to the accuracy but I trust the equipment because of the high quality of the interface and equipment it comes with.
Michael C.
Reviewed in the United Kingdom on March 22, 2025
Appears robust and comes in a strong case. Alarm function is great. Battery life is about 5 x 8 hour days., but I always recharge fully at end of day 4. Charges fast. Robust storage case
Garrett H
Reviewed in the United States on March 2, 2025
So, I don't currently have a particular need for this item, however, I do have the ability to test it. Our safety department has the gas solution to bump test it, and the bump test triggered the alarm on this unit, at the proper thresholds.That said, this is a single-gas tester. It only tests for one thing. If that's all you need, then this will do the trick, and well. If you need a multi-gas tester, this will not be the tester for you. Just bare this in mind.
Anonymus
Reviewed in the United States on February 26, 2025
I purchased this Gas Monitor for a friend of mine who is an apprentice plumber. Although he hasn't had the necessity to use it yet he was very impressed with the features that it has to offer for the price. He lked that it included a storage case to hold the monitor and the accessories all in one place.
LDC
Reviewed in the United Kingdom on February 20, 2025
This detector is compact, durable, and easy to clip on for continuous gas monitoring. The rechargeable battery lasts up to five days, with clear alerts for low power. It provides triple alarm notifications sound, vibration, and LED ensuring safety in hazardous environments. The data logging feature is useful for tracking exposure levels. A solid choice for industrial, agricultural, or emergency use.
Arthur J. Byrnes
Reviewed in the United States on January 28, 2025
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Dave Soucie
Reviewed in Canada on January 22, 2025
Very happy with this unit. Been gassed 2x at work now. This will prevent a third!
CLC
Reviewed in the United States on January 21, 2025
This H2S monitor by TOPTES is very useful for locating sources of hydrogen sulfide gas which is basically what makes up sewage gas. Sometimes it's really difficult to locate a source, especially when you have multiple potential sources in the same general vicinity. This tool is well made, accurate, well protected in it's really nice case, and helps you to easily locate the source of the toxic gas. It's a great pumbers tool, but it's also a big plus for any DIYer or landlord like myself. I have several of these and keep one at each location for convenience. At it's low price point, it is a real bargain! When you need it, it's worth it's weight in gold (figuratively). When you don't, it's safely protected in it's case. Recommended!Review for: TOPTES Guard-611 H2S Monitor, Portable H2S Detector Features a Convenient H2S Monitor Clip on, Rechargeable with 5-Day Battery, Battery Indicator, Low Battery Warning, Safety Explosion-Proof-Blue 2411-060
Perfect_Frost
Reviewed in the United Kingdom on November 12, 2024
The TOPTES Guard-611 H2S Monitor is a reliable and user-friendly device for detecting potentially hazardous levels of hydrogen sulfide gas. Its compact design and convenient clip-on feature make it easy to carry and use. The long-lasting battery and clear display ensure continuous monitoring, while the audible and visual alarms provide timely alerts in case of dangerous gas concentrations. The device's durable construction and explosion-proof design make it suitable for use in demanding environments.
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