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Gas Detectors

Gas Detectors – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.cz.

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7 reasons to shop for Gas Detectors on Alza.cz

  • We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
  • You can see the availability of each item right away. Don't forget that we deliver on weekends too.
  • We accept most payment methods, including contactless and cryptocurrency.
  • You can easily return or exchange your product at any of our AlzaBoxes.
  • Need assistance? Our customer support is available 24/7.
  • We complement our range with accessories and additional services.
  • You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing Gas Detectors?

If you're planning to get Gas Detectors, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: Gas Detectors

Are you looking for the best Gas Detectors? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive Gas Detectors

If you are looking for products based on price, you can browse the lowest priced Gas Detectors, or choose to sort by price from highest to lowest.

Gas Detectors – main types

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66 Results
1.0
J. T. O. System Goco gas detector
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 300 ppm, battery-powered, acoustic, visual signals, display, cover material plastic, standalone unit
4,598,-
Buy
In stock 2 pcs at the supplier's
Order Code: HOMEaaa1028
Homematic IP Smart Meter Interface
Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications
2,390,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24005
Ajax LifeQuality (8EU) black - Intelligent air quality sensor
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, measurement range from 0 to 100 %, temperature measurement from 0 to 50 °C with accuracy 0.2 °C, humidity measurement with accuracy 1,8 %, battery-powered, detection reach 1700 m, visual signals, notifications via push notifications, battery indication, features: automatic scenarios, cover material plastic, operating temperature from 0 to 50 °C,, ingress protection IP50, battery and mounting kit included, requires a central hub, app language: Czech, compatible with Android, Windows and iOS
8,736,-
Buy
In stock 3 pcs at the supplier's
Order Code: AJAX23_021
Dahua DHI-HY-GC20D-R8
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 to 300 ppm, battery-powered, detection reach 40 m, reaction time 10 s, acoustic signals, signal volume 85 dB, battery indication and display, features test button and alarm, cover material plastic, operating temperature from -10 to 55 °C,, ingress protection IP30, input voltage 3V, battery and mounting kit included, standalone unit
749,-
Buy
In stock 3 pcs at the supplier's
Order Code: DAHUdete009
Hütermann Gas leak detector G10
Gas Leak Detector - mains power supply, acoustic signals, signal volume 85 dB, features alarm, operating temperature to 55 °C, operating humidity up to 95 %, standalone unit
Discounted -4 % 689,- 719,-
Buy
In stock 4 pcs at the supplier's
Order Code: EMPlist0132
Dahua DHI-HY-GC20C
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 to 300 ppm, battery-powered, detection reach 40 m, reaction time 10 s, acoustic signals, signal volume 85 dB, battery indication and display, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C,, ingress protection IP30, input voltage 3V, battery and mounting kit included, standalone unit
659,-
Buy
In stock 4 pcs at the supplier's
Order Code: DAHUdete005
Dahua DHI-HY-GA20A
Gas Leak Detector - mains power supply, detection reach 40 m, reaction time 10 s, acoustic, visual signals, signal volume 70 dB, features test button, self-diagnostics and alarm, cover material plastic, operating temperature from -10 to 55 °C,, ingress protection IP30, input voltage 230 V, mounting kit included, standalone unit
619,-
Buy
In stock > 5 pcs at the supplier's
Order Code: DAHUdete006
4.0
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal. Alarm sensitivity: 6% LEL, noise level: ?70dB. Smart switching: Yes. Local and remote control: Yes. Dimensions: 89.5mm x 89.5mm x 38mm. Connection not included. Mobile app available in Czech, Slovak, English and other languages.
1,529,-
Buy
On the way 5 pcs
Expected 02/04/2026
Order Code: SHELLa0009
3.3
Nedis ZBDCO11WT
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature to 50 °C, battery included, compatible with Nedis SmartLife, standalone unit, compatible with Android and iOS
1,429,-
Buy
Ordered on request
Order Code: Nedis23_002
3.0
Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
689,-
Buy
Ordered on request
Order Code: Imou23_40
5.0
Solight CO flue gas detector, 85 dB
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features alarm, cover material plastic, operating temperature from 5 to 40 °C, operating humidity from 20 to 90 %, ingress protection IP20, battery included, standalone unit
Discounted -13 % 369,- 429,-
Currently Unavailable
Order Code: Solight25092
4.2 38×
RETLUX RDT 301
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 100 to 300 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, operating temperature from 5 to 40 °C, operating humidity from 20 to 90 %, standalone unit
649,-
Currently Unavailable
Order Code: RETDET003
4.5 17×
Elektrobock LM-218B
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 550 ppm, deviation 3 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication, features test button and alarm, cover material plastic, operating temperature from -10 to 45 °C, operating humidity up to 93 %, ingress protection IP40, standalone unit
449,-
Currently Unavailable
Order Code: ELBOCK135
4.8
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
999,-
Currently Unavailable
Order Code: Moes22_37
4.4
MOES Gas Leakage Detector, Zigbee
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity up to 95 %, mounting kit included, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
699,-
Currently Unavailable
Order Code: Moes22_41
4.5
MOES Mini CO Detector, grey
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
999,-
Currently Unavailable
Order Code: Moes2512
4.5
MOES Mini CO Detector, orange
Gas Leak Detector - measurement range from 0 to 1000 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
999,-
Currently Unavailable
Order Code: Moes2513
Kidde CO detector with alarm K7CO - moisture resistant
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered, acoustic signals, signal volume 85 dB, features test button, cover material plastic, operating temperature from -10 to 45 °C, operating humidity up to 90 %, standalone unit
1,199,-
Currently Unavailable
Order Code: KIDhob006

Gas Detectors

Gas Detectors

In the category Gas Detectors on Alza.cz, we currently have a total of 66 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap gas Detectors Check out products sorted by price starting with the highest price in the category best sellers, best gas Detectors You’ll find products sorted by reviews starting from the highest ranked in gas Detectors reviews
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