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🔥 Detect leaks before they become disasters! 🕵️♂️
The PT520A Natural Gas Detector by TOPTES is a professional-grade, battery-powered device designed to quickly and accurately locate combustible gas leaks including methane, propane, and LPG. Featuring a 43.5cm flexible gooseneck probe, it accesses tight spaces with ease, while its rapid 0.5-second detection response and dual audible-visual alarms ensure you never miss a leak. Ideal for home, RV, and industrial use, it combines ergonomic design with smart power-saving features to deliver reliable, on-the-go safety monitoring.





| Alarm | Audible, Visual |
| Asin | B0BTM3G8DK |
| Best Sellers Rank | 12,246 in DIY & Tools (See Top 100 in DIY & Tools) 3 in Gas Detectors |
| Brand | TOPTES |
| Colour | Orange |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,856) 4.6 out of 5 stars |
| Included Components | 1x PT520A Gas Leak Detector, 1x Storage Bag, 3x AAA Batteries, 1x User Manual |
| Item Dimensions D X W X H | 28.5D x 6W x 13.5H centimetres |
| Item Weight | 0.51 Kilograms |
| Manufacturer | TOPTES |
| Model Number | PT520A |
| Operating Humidity | 80 percent |
| Part Number | PT520A |
| Power Source | Battery Powered |
| Product Style | PT520A Battery Operated |
| Sensor Type | Electrochemical |
| Unit Count | 1.0 count |
User
Gas detector
This is a lot better than I expected. It feels robust, the goose neck holds its shape well and is a good length. It is easy to use, the only special action you need to do is to 'zero' it when you turn it on. You do this by turning it on somewhere with no combustible gases (I step outside to do this) and just wait about 15 seconds.Test it out by, for example, turning on a gas ring on your job briefly or letting gas escape from a lighter. I found my white board pen with the cap off was enough to set it off.Other came comments mention that the display is not bright enough. It is not backlit, so if you plan to use it outdoors you may need to cup your hand around the display to see it better, depending on the ambient light. This is not a problem for occasional outdoor use ( I checked my gas meter) but might annoy if you plan to use it primarily outdoors. There was no problem at all using it indoors - the display was very clear.It confirmed I don't have a gas leak, so was worth the money for me.Unless you will be using it regularly I would recommend removing the batteries while it is being stored, just in case they leak. It came with 3 AAA Duracell batteries and I have had that brand leak in the past. (I generally prefer Energizer for this reason). You unscrew the battery compartment with a small Philips screwdriver.The instructions, I would guess, have been translated into English from another language and this had been done quite well. There is no difficulty understanding them and I found some of the phrasing quite amusing (though this could just be my weird brain).
User
Very good
Very good and excellent service
User
TopTes PT520A Gas Detector
I recently purchased the TopTes PT520A Gas Detector for added safety in my home and RV, and I am very impressed with its performance. Here are some highlights of my experience:The device is well-constructed, with a durable and bright orange casing that makes it easy to spot among my tools. The 43.5cm gooseneck is flexible yet sturdy, allowing me to reach into tight spaces and awkward angles effortlessly. It’s lightweight and portable, making it convenient to carry around the house or in the RV.Setting up the detector was straightforward. It came with three batteries included, so I was able to use it right out of the box. The device powers on quickly, and the user interface is intuitive. The on/off button, combined with sensitivity adjustment, is simple to operate, even for someone who’s not particularly tech-savvy.The TopTes PT520A does an excellent job at detecting gas leaks. I tested it around my kitchen stove and the propane lines,and it was able to identify even small leaks that I wouldn’t have noticed otherwise. The adjustable sensitivity feature is fantastic for pinpointing the exact location of leaks, especially in hard-to-reach places. The audible alarm is loud and clear, which gives peace of mind knowing I won’t miss a detection alert.This detector is capable of identifying multiple types of gases, including methane, natural gas, propane, and other combustible gases. This versatility is a huge plus, especially for anyone using it in different environments like a home, RV, or even a workshop.I’m highly satisfied with the TopTes PT520A Gas Detector. It’s reliable, easy to use, and provides an extra layer of safety for both my home and RV. It’s well worth the investment for anyone looking to protect their property from potential gas leaks.
User
Works well, easy to use
Does what it says.Used to find a problem in a dual propane cylinder system. Works very well , though the display is difficult to read in the two days a year we have sunshine. 😁Found the leak in five mins and fixed it safely. Can't comment on the sensitivity but very pleased as it saved me an engineer call-out for a simple fix.Well worth the cost.
User
Good price
Does the job well?
User
It saved my life. Actually!
We smelt gas, we called in the gas company who acknowledged a small drop in the pressure after a timed test, but they couldn't detect or trace the cause of the leak and turned the gas back on.We continued to smell gas, and whilst I could've made a Arduino gas detector I purchased this, and tested it, it detected gas at the cooker with ease.I needed to do some basic plumbing work, with a gas blowtorch to install some copper pipework for an outside tap and indoor filter, completely legal in the UK for a handyman to do in their own home, so just out of caution wanded around the pipes and the area in general when I got a suddenly very surreal alarm and the gauge shot into the red zone!...I was able to detect with this device the leak was coming from an area in the wall where a old 1950's gas tap had been hidden, totally unknown to us as the kitchen had been remoddled before we purchased the place.I called the gas company who came and rectified the leak, and we're surprised the device was sensitive enough to detect what was a very small insignificant leak.Basically this saved my life!The batteries last well, the sensitivity is incredibly good, and this purchased saved me and the property from an explosion.I the UK it is illegal for non gas registered persons to interfere with gas pipes or gas appliances, with very few exceptions, and with good reason too. However, this device can assist with safe detection of even a small leak if used correctly, but if you smell gas you should always turn off the gas at the meter and call your gas emergency number until told it is safe to turn it back on, this product is not a replacement for good practice.
User
gas detector
it works my husband is pleased with it.
User
Domestic gas detector
Company very informative and helpfull, the product is well rated and the company are one of the better for domestic use gas detectors
User
Perfecto
Lo compre porque olía a gas en mi caldera y este aparato lo detecto perfectamente. Por tanto, un buen salvavidas.
User
Goed gereedschap voor mooie prijs.
Werkt goed. 3 niveau van meting. Test hem wel altijd even met gas. Van aansteker of gasfles oid. Weet je in iedergeval zeker dat hij werkt.
User
great buy tradesman quality
excellent tradesman quality . worth every dollar..👍👍100%
User
Equipo requerido en todas las casas que utilicen gas
Excelente equipo para detectar fugas, uso fácil
User
Qualità ed efficacia
Viene fornito con un pratico contenitore per il trasporto. E' fornito con batterie. Dopo averlo acceso effettua una auto taratura in circa 30 secondi ed è pronto per il rilevamento. E' anche dotato della funzione autospegnimento dopo circa 10 minuti di inutilizzo. Possiede tre livelli di sensibilità: alta, media e bassa. Con la sensibilità alta consente di rilevare una quantità di gas di 50 ppm (parti per milioni = 0,005 %). Consente di rilevare ACETILENE, ACETONE, ALCOL, AMMONIACA, BENZENE, BUTANO, ETANOLO, BENZINA, ESANO, IDROGENO, METANO, NAFTA, GAS NATURALE, DILUENTE DI VERNICE, PROPANO, SOLVENTI ORGANICI, REFRIGERANTE (con PROPANO). Ottimo prodotto, lo consiglio per tutti coloro che necessitano una verifica su impianti già esistenti o dopo aver effettuato manutenzioni/sostituzioni di componenti. Amazon preciso e puntuale, come sempre, nella consegna del prodotto.
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